Find the better way to pay.
Compare service prices and payment options against your workload.
Scoped audits · customer usage requiredRequest a cost auditINTELLIGENCE
Know what your agents buy.
Costs, changes and evidence for better service decisions.
Know when your dependencies change.
Track payment offers, service schemas and provider changes over time.
Custom watchlists and historyDiscuss monitoringConnect the purchase to the result.
Bring charges, retries and task evaluations into one private evidence record.
Integration pilot · your task criteriaConnect your workflowTHE EVIDENCE BASE
Collected. Dated. Traceable.
14,635Source listings
33Source snapshots
27,889Recorded changes
1,221Endpoint observations
Latest snapshot: Sep 12, 2026, 05:41 UTC. Daily collection; gaps remain unknown.
955 observations · Differences between dated observations.
api.onesource.ioEstimate the gas a transaction will consume via eth_estimateGas before signing it
https://api.onesource.io/api/chain/estimate-gas ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.004 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.004 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Estimate the gas a transaction will consume via eth_estimateGas before signing it",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"data": {
"pattern": "^0x[a-fA-F0-9]+$",
"type": "string"
},
"from": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"to": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"value": {
"pattern": "^0x[a-fA-F0-9]+$",
"type": "string"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"gas": {
"type": "string"
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"legacy_network": null,
"legacy_pay_to": null,
"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "POST",
"observed_at": 1789165815.545,
"offers": [
{
"amount": "0.004",
"amount_atomic": "4000",
"amount_encoding": "atomic_units",
"amount_raw": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "commercial_terms_not_validated",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 3600,
"usd_market_value": null
},
{
"amount": "0.004",
"amount_atomic": "4000",
"amount_encoding": "atomic_units",
"amount_raw": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "commercial_terms_not_validated",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
"version": "2",
"withdrawDelay": 86400
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "batch-settlement",
"timeout_seconds": 3600,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "382b8312647110a124aca29eee9bbd2fa92a6158a6332bbbf5fb56d005fc177c",
"schema_fingerprint": "ca8b21b7940a52775f184e54f717edf938640eaa2f11c1d12fa3ab00980447a3",
"service_id": "b62d9711e5f2f3b5378cd7ea43609b43c8721feb7c071995fdde39a1b4ad75cc",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T21:55:29.366Z",
"url": "https://api.onesource.io/api/chain/estimate-gas",
"usage_rights": "not_reviewed"
}api.onesource.ioRead a raw storage slot from any Ethereum contract via eth_getStorageAt
https://api.onesource.io/api/chain/storage ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Read a raw storage slot from any Ethereum contract via eth_getStorageAt",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"block": {
"oneOf": [
{
"minimum": 0,
"type": "integer"
},
{
"enum": [
"latest",
"pending",
"earliest",
"safe",
"finalized"
],
"type": "string"
},
{
"pattern": "^0[xX][a-fA-F0-9]+$",
"type": "string"
}
]
},
"contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
},
"slot": {
"pattern": "^0x[a-fA-F0-9]+$",
"type": "string"
}
},
"required": [
"contract",
"slot"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"value": {
"type": "string"
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"legacy_network": null,
"legacy_pay_to": null,
"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "GET",
"observed_at": 1789165815.545,
"offers": [
{
"amount": "0.005",
"amount_atomic": "5000",
"amount_encoding": "atomic_units",
"amount_raw": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "commercial_terms_not_validated",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 3600,
"usd_market_value": null
},
{
"amount": "0.005",
"amount_atomic": "5000",
"amount_encoding": "atomic_units",
"amount_raw": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "commercial_terms_not_validated",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
"version": "2",
"withdrawDelay": 86400
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "batch-settlement",
"timeout_seconds": 3600,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "382b8312647110a124aca29eee9bbd2fa92a6158a6332bbbf5fb56d005fc177c",
"schema_fingerprint": "cb2393dbce07cf3d7dc410e56805eb93a6560a1d0c5033f4e8db228d72709a1a",
"service_id": "bcdcad22a75cd7173e4e273ae39e4acb3faf2caf596a5b9cb1e03f23ba9b8125",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T21:58:13.383Z",
"url": "https://api.onesource.io/api/chain/storage",
"usage_rights": "not_reviewed"
}api.onesource.ioPending block - transactions not yet mined, via eth_getBlockByNumber("pending")
https://api.onesource.io/api/chain/pending ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.01 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.01 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Pending block - transactions not yet mined, via eth_getBlockByNumber(\"pending\")",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"result": {
"properties": {
"gasLimit": {
"type": "string"
},
"gasUsed": {
"type": "string"
},
"number": {
"type": "string"
},
"timestamp": {
"type": "string"
},
"transactions": {
"items": {
"properties": {
"from": {
"type": "string"
},
"gas": {
"type": "string"
},
"hash": {
"type": "string"
},
"nonce": {
"type": "string"
},
"to": {
"type": "string"
},
"value": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
}
},
"type": [
"object",
"null"
]
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"legacy_network": null,
"legacy_pay_to": null,
"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "GET",
"observed_at": 1789165815.545,
"offers": [
{
"amount": "0.01",
"amount_atomic": "10000",
"amount_encoding": "atomic_units",
"amount_raw": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "commercial_terms_not_validated",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 3600,
"usd_market_value": null
},
{
"amount": "0.01",
"amount_atomic": "10000",
"amount_encoding": "atomic_units",
"amount_raw": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "commercial_terms_not_validated",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
"version": "2",
"withdrawDelay": 86400
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "batch-settlement",
"timeout_seconds": 3600,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "382b8312647110a124aca29eee9bbd2fa92a6158a6332bbbf5fb56d005fc177c",
"schema_fingerprint": "454aa786a544a7a89a067cc0ba9b9d13e4e413aba0e454bb80811d7704d93d36",
"service_id": "c171ba313e314976eee8378aa3dccb914e4b039b204a7c8a57926cfafe488c50",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T21:53:51.485Z",
"url": "https://api.onesource.io/api/chain/pending",
"usage_rights": "not_reviewed"
}api.onesource.ioFetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber
https://api.onesource.io/api/chain/block/:number ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"properties": {
"number": {
"oneOf": [
{
"enum": [
"latest",
"pending",
"earliest",
"safe",
"finalized"
],
"type": "string"
},
{
"pattern": "^(0[xX][a-fA-F0-9]+|[0-9]+)$",
"type": "string"
}
]
}
},
"required": [
"number"
],
"type": "object"
},
"queryParams": {
"properties": {
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"result": {
"properties": {
"gasLimit": {
"type": "string"
},
"gasUsed": {
"type": "string"
},
"hash": {
"type": "string"
},
"number": {
"type": "string"
},
"parentHash": {
"type": "string"
},
"timestamp": {
"type": "string"
},
"transactions": {
"items": {
"type": "string"
},
"type": "array"
}
},
"type": [
"object",
"null"
]
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"legacy_network": null,
"legacy_pay_to": null,
"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "GET",
"observed_at": 1789165815.545,
"offers": [
{
"amount": "0.003",
"amount_atomic": "3000",
"amount_encoding": "atomic_units",
"amount_raw": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "commercial_terms_not_validated",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 3600,
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}api.onesource.ioERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC
https://api.onesource.io/api/chain/erc20-balance ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
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"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T22:11:16.633Z",
"url": "https://api.onesource.io/api/chain/erc20-balance",
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}api.onesource.ioDeepstate, the on-chain order-book exchange on Robinhood Chain. OHLCV candles for a market.
https://api.onesource.io/deepstate/v1/candles/:book ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
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"url": "https://api.onesource.io/deepstate/v1/candles/:book",
"usage_rights": "not_reviewed"
}api.onesource.ioSimulate a read-only Ethereum contract call via eth_call - no transaction sent
https://api.onesource.io/api/chain/call ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
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"url": "https://api.onesource.io/api/chain/call",
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}api.onesource.ioDeepstate, the on-chain order-book exchange on Robinhood Chain. Gas spent resting and cancelling orders for a market.
https://api.onesource.io/deepstate/v1/analytics/cost-to-quote ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.02 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
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}api.onesource.ioDeepstate, the on-chain order-book exchange on Robinhood Chain. Depth heatmap - resting order size by price level over time for a market.
https://api.onesource.io/deepstate/v1/analytics/depth-history ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.02 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
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}api.onesource.ioDeepstate, the on-chain order-book exchange on Robinhood Chain. Per-maker time-at-top, notional rested, fills, and DEEP rewards earned for a market.
https://api.onesource.io/deepstate/v1/analytics/makers ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.02 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
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}api.onesource.ioDeepstate, the on-chain order-book exchange on Robinhood Chain. Rolling 24h / 7d / 30d volume and price change for a market.
https://api.onesource.io/deepstate/v1/stats/:book ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
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}api.onesource.ioBest-effort contract introspection via batched RPC - bytecode presence, token metadata, and ERC20-like/ERC721/ERC1155 classification
https://api.onesource.io/api/chain/contract/:address ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
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"service_id": "12d2a58552eed81274182ec0ed7f3b8ab55c46ae844f4e76e1890dab68fd3c4f",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T22:09:05.798Z",
"url": "https://api.onesource.io/api/chain/contract/:address",
"usage_rights": "not_reviewed"
}api.onesource.ioDeepstate, the on-chain order-book exchange on Robinhood Chain. Lists the markets this service serves with their token layout (base, quote, token0/token1, decimals).
https://api.onesource.io/deepstate/v1/markets ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Deepstate, the on-chain order-book exchange on Robinhood Chain. Lists the markets this service serves with their token layout (base, quote, token0/token1, decimals).",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
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"status": {
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"symbol": {
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},
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"token1": {
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"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "withdrawn_protocol_inference",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
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"name": "USD Coin",
"version": "2"
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"issuer": null,
"network": "eip155:8453",
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"quality": "not_evaluated",
"run_id": "590c9208275094089c597ebb8aaa491ef9ee7c3eb3a5186a2ed3b658a9761c17",
"schema_fingerprint": "467b95bd8493644e34abe8f17dca9770cb1be15c57f6e4e37c3f98a0691e9d4b",
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"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T22:01:18.339Z",
"url": "https://api.onesource.io/deepstate/v1/markets",
"usage_rights": "not_reviewed"
}api.onesource.ioTotal supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)
https://api.onesource.io/api/chain/total-supply ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)",
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"evidence_mode": "raw",
"extension_names": [
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],
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"metadata": null,
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{
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},
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],
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"schema_fingerprint": "cd700117dbb5375af17ef7ae472987cae48bbb152116955bc9577e98682a9b6c",
"service_id": "1dc186c32fd35e2889c74b7318456955a10b83b5ef4e151365ce8a8da1766fcd",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T21:55:32.003Z",
"url": "https://api.onesource.io/api/chain/total-supply",
"usage_rights": "not_reviewed"
}api.onesource.ioDetect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy
https://api.onesource.io/api/chain/proxy/:address ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
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},
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},
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"example": {
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"admin": {
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"is_contract": {
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},
"is_proxy": {
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}
},
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"error": {
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{
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},
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"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T22:05:07.323Z",
"url": "https://api.onesource.io/api/chain/proxy/:address",
"usage_rights": "not_reviewed"
}api.onesource.ioERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds
https://api.onesource.io/api/chain/erc1155-balance ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
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"domain": "api.onesource.io",
"evidence_mode": "raw",
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"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "590c9208275094089c597ebb8aaa491ef9ee7c3eb3a5186a2ed3b658a9761c17",
"schema_fingerprint": "9e9771c5b44b6ac76596de5db6a47e1db501357443d9517d372f386780f2f9da",
"service_id": "2ae88b8c7a75122ca819787f7846dc59d0f2770fdb01015a4edb7d4998ebd210",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T21:51:34.231Z",
"url": "https://api.onesource.io/api/chain/erc1155-balance",
"usage_rights": "not_reviewed"
}api.onesource.ioTransaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transaction
https://api.onesource.io/api/chain/receipt/:hash ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Transaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transaction",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"properties": {
"hash": {
"pattern": "^0x[a-fA-F0-9]{64}$",
"type": "string"
}
},
"required": [
"hash"
],
"type": "object"
},
"queryParams": {
"properties": {
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"result": {
"properties": {
"blockNumber": {
"type": "string"
},
"effectiveGasPrice": {
"type": "string"
},
"gasUsed": {
"type": "string"
},
"logs": {
"items": {},
"type": "array"
},
"status": {
"type": "string"
},
"transactionHash": {
"type": "string"
}
},
"type": [
"object",
"null"
]
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"legacy_network": null,
"legacy_pay_to": null,
"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "GET",
"observed_at": 1789165815.545,
"offers": [
{
"amount": "0.005",
"amount_atomic": "5000",
"amount_encoding": "atomic_units",
"amount_raw": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "withdrawn_protocol_inference",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 3600,
"usd_market_value": null
},
{
"amount": "0.005",
"amount_atomic": "5000",
"amount_encoding": "atomic_units",
"amount_raw": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "unknown",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
"version": "2",
"withdrawDelay": 86400
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "batch-settlement",
"timeout_seconds": 3600,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "590c9208275094089c597ebb8aaa491ef9ee7c3eb3a5186a2ed3b658a9761c17",
"schema_fingerprint": "9306342751490c6468e53bf0aae2f76a2bcb37926e5436b1092a16cb964d506d",
"service_id": "3321073310317ff7759d227e16383183b6bce193cc76560e797ec19b8b3073fd",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T22:08:39.538Z",
"url": "https://api.onesource.io/api/chain/receipt/:hash",
"usage_rights": "not_reviewed"
}api.onesource.ioENS resolve - turn a .eth name into an address, or an address into its primary .eth name, via eth_call on OneSource live Ethereum RPC
https://api.onesource.io/api/chain/ens/:input ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "ENS resolve - turn a .eth name into an address, or an address into its primary .eth name, via eth_call on OneSource live Ethereum RPC",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"properties": {
"input": {
"oneOf": [
{
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
{
"pattern": "^[^./\\s]+(?:\\.[^./\\s]+)+$",
"type": "string"
}
]
}
},
"required": [
"input"
],
"type": "object"
},
"queryParams": {
"properties": {
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"address": {
"type": "string"
},
"is_forward": {
"type": "boolean"
},
"is_reverse": {
"type": "boolean"
},
"name": {
"type": "string"
},
"resolver": {
"type": "string"
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"legacy_network": null,
"legacy_pay_to": null,
"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "GET",
"observed_at": 1789165815.545,
"offers": [
{
"amount": "0.005",
"amount_atomic": "5000",
"amount_encoding": "atomic_units",
"amount_raw": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "withdrawn_protocol_inference",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 3600,
"usd_market_value": null
},
{
"amount": "0.005",
"amount_atomic": "5000",
"amount_encoding": "atomic_units",
"amount_raw": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "unknown",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
"version": "2",
"withdrawDelay": 86400
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "batch-settlement",
"timeout_seconds": 3600,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "590c9208275094089c597ebb8aaa491ef9ee7c3eb3a5186a2ed3b658a9761c17",
"schema_fingerprint": "e1c014d17307ce0f85b844c827d9305e40486978011dc07632ac6fdb67cf8068",
"service_id": "432cf6a1dfd8d9e263dbba1b7ef153bd3cee46701a152965d2385f50effcdfc8",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T22:11:10.395Z",
"url": "https://api.onesource.io/api/chain/ens/:input",
"usage_rights": "not_reviewed"
}api.onesource.ioQuery Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range
https://api.onesource.io/api/chain/events ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"from_block": {
"oneOf": [
{
"minimum": 0,
"type": "integer"
},
{
"enum": [
"latest",
"pending",
"earliest",
"safe",
"finalized"
],
"type": "string"
},
{
"pattern": "^0[xX][a-fA-F0-9]+$",
"type": "string"
}
]
},
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
},
"to_block": {
"oneOf": [
{
"minimum": 0,
"type": "integer"
},
{
"enum": [
"latest",
"pending",
"earliest",
"safe",
"finalized"
],
"type": "string"
},
{
"pattern": "^0[xX][a-fA-F0-9]+$",
"type": "string"
}
]
},
"topic": {
"pattern": "^0x[a-fA-F0-9]{64}$",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"count": {
"type": "integer"
},
"from_block": {
"type": "string"
},
"logs": {
"items": {
"properties": {
"address": {
"type": "string"
},
"blockNumber": {
"type": "string"
},
"data": {
"type": "string"
},
"logIndex": {
"type": "string"
},
"topics": {
"items": {
"type": "string"
},
"type": "array"
},
"transactionHash": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"to_block": {
"type": "string"
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"legacy_network": null,
"legacy_pay_to": null,
"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "GET",
"observed_at": 1789165815.545,
"offers": [
{
"amount": "0.005",
"amount_atomic": "5000",
"amount_encoding": "atomic_units",
"amount_raw": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "withdrawn_protocol_inference",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 3600,
"usd_market_value": null
},
{
"amount": "0.005",
"amount_atomic": "5000",
"amount_encoding": "atomic_units",
"amount_raw": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "unknown",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
"version": "2",
"withdrawDelay": 86400
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "batch-settlement",
"timeout_seconds": 3600,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "590c9208275094089c597ebb8aaa491ef9ee7c3eb3a5186a2ed3b658a9761c17",
"schema_fingerprint": "b0a832014cf7dcedba1f8e50ac77703257ae2091e312496a3a06b155161820c7",
"service_id": "483c3e53a4537e91fbd76749e7bb491855ad831732f8df1336a725a98bb36952",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T22:02:19.749Z",
"url": "https://api.onesource.io/api/chain/events",
"usage_rights": "not_reviewed"
}api.onesource.ioList every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call)
https://api.onesource.io/api/chain/erc721-tokens ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.008 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.008 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call)",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
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"properties": {
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"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"max": {
"maximum": 1000,
"minimum": 1,
"type": "integer"
},
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
}
},
"required": [
"contract",
"address"
],
"type": "object"
},
"type": {
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"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"balance": {
"type": "string"
},
"contract_address": {
"type": "string"
},
"is_enumerable": {
"type": "boolean"
},
"owner": {
"type": "string"
},
"token_ids": {
"items": {
"type": "string"
},
"type": "array"
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"legacy_network": null,
"legacy_pay_to": null,
"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "GET",
"observed_at": 1789165815.545,
"offers": [
{
"amount": "0.008",
"amount_atomic": "8000",
"amount_encoding": "atomic_units",
"amount_raw": "8000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "withdrawn_protocol_inference",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 3600,
"usd_market_value": null
},
{
"amount": "0.008",
"amount_atomic": "8000",
"amount_encoding": "atomic_units",
"amount_raw": "8000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "unknown",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
"version": "2",
"withdrawDelay": 86400
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "batch-settlement",
"timeout_seconds": 3600,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "590c9208275094089c597ebb8aaa491ef9ee7c3eb3a5186a2ed3b658a9761c17",
"schema_fingerprint": "2b6b2f7ea269b2aacf6a662837c9080fb97bd4fe1b0243709703d3cca3a7b430",
"service_id": "574d08c9f407cae03581da20616e642981ad40125a027dcccba974b017614c1b",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T22:08:57.885Z",
"url": "https://api.onesource.io/api/chain/erc721-tokens",
"usage_rights": "not_reviewed"
}api.onesource.ioLook up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)
https://api.onesource.io/api/chain/nft-owner ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
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"properties": {
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"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
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"contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
},
"token_id": {
"pattern": "^[0-9]+$",
"type": "string"
}
},
"required": [
"contract",
"token_id"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"contract_address": {
"type": "string"
},
"owner": {
"type": "string"
},
"token_id": {
"type": "string"
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
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},
"legacy_network": null,
"legacy_pay_to": null,
"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "GET",
"observed_at": 1789165815.545,
"offers": [
{
"amount": "0.003",
"amount_atomic": "3000",
"amount_encoding": "atomic_units",
"amount_raw": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "withdrawn_protocol_inference",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 3600,
"usd_market_value": null
},
{
"amount": "0.003",
"amount_atomic": "3000",
"amount_encoding": "atomic_units",
"amount_raw": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "unknown",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
"version": "2",
"withdrawDelay": 86400
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "batch-settlement",
"timeout_seconds": 3600,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "590c9208275094089c597ebb8aaa491ef9ee7c3eb3a5186a2ed3b658a9761c17",
"schema_fingerprint": "151beb16d3e838833e19b14d80113aea625a3e104db4deaf9fecb34e6357800e",
"service_id": "61ffb1de472762badb292cd9e79f8af5c9ce952a6244d4c266847cb6e2de1ded",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T22:11:22.118Z",
"url": "https://api.onesource.io/api/chain/nft-owner",
"usage_rights": "not_reviewed"
}api.onesource.ioERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet
https://api.onesource.io/api/chain/allowance ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
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"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
},
"owner": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"spender": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
}
},
"required": [
"contract",
"owner",
"spender"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"allowance": {
"type": "string"
},
"decimals": {
"type": "integer"
},
"name": {
"type": "string"
},
"owner": {
"type": "string"
},
"spender": {
"type": "string"
},
"symbol": {
"type": "string"
},
"token": {
"type": "string"
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
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},
"legacy_network": null,
"legacy_pay_to": null,
"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "GET",
"observed_at": 1789165815.545,
"offers": [
{
"amount": "0.003",
"amount_atomic": "3000",
"amount_encoding": "atomic_units",
"amount_raw": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "withdrawn_protocol_inference",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 3600,
"usd_market_value": null
},
{
"amount": "0.003",
"amount_atomic": "3000",
"amount_encoding": "atomic_units",
"amount_raw": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "unknown",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
"version": "2",
"withdrawDelay": 86400
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "batch-settlement",
"timeout_seconds": 3600,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "590c9208275094089c597ebb8aaa491ef9ee7c3eb3a5186a2ed3b658a9761c17",
"schema_fingerprint": "436050a55f8ec0aac04e8af1176343d439310a587e79157df54ffea5de7255ab",
"service_id": "81141273b7b6087f4ef51012bd1c7b353e03f8a73d2d5356b7aef7769a1f3531",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T21:58:03.712Z",
"url": "https://api.onesource.io/api/chain/allowance",
"usage_rights": "not_reviewed"
}api.onesource.ioFull Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block
https://api.onesource.io/api/chain/tx/:hash ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.008 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.008 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"properties": {
"hash": {
"pattern": "^0x[a-fA-F0-9]{64}$",
"type": "string"
}
},
"required": [
"hash"
],
"type": "object"
},
"queryParams": {
"properties": {
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
"properties": {
"receipt": {
"properties": {
"blockNumber": {
"type": "string"
},
"gasUsed": {
"type": "string"
},
"logs": {
"items": {},
"type": "array"
},
"status": {
"type": "string"
},
"transactionHash": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"transaction": {
"properties": {
"blockNumber": {
"type": "string"
},
"from": {
"type": "string"
},
"gas": {
"type": "string"
},
"hash": {
"type": "string"
},
"nonce": {
"type": "string"
},
"to": {
"type": "string"
},
"value": {
"type": "string"
}
},
"type": [
"object",
"null"
]
}
},
"type": "object"
},
"error": {
"properties": {
"code": {
"type": "integer"
},
"message": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"meta": {
"properties": {
"cost_usdc": {
"type": "string"
},
"endpoint": {
"type": "string"
},
"payment_chain": {
"type": "string"
},
"payment_token": {
"type": "string"
},
"request_id": {
"type": "string"
}
},
"required": [
"endpoint",
"request_id"
],
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
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}
},
"required": [
"input"
],
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},
"legacy_network": null,
"legacy_pay_to": null,
"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "GET",
"observed_at": 1789165815.545,
"offers": [
{
"amount": "0.008",
"amount_atomic": "8000",
"amount_encoding": "atomic_units",
"amount_raw": "8000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "withdrawn_protocol_inference",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 3600,
"usd_market_value": null
},
{
"amount": "0.008",
"amount_atomic": "8000",
"amount_encoding": "atomic_units",
"amount_raw": "8000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"billing_unit": null,
"billing_unit_basis": "unknown",
"currency": "USDC",
"decimals": 6,
"decimals_basis": "known_token_mapping",
"extra": {
"name": "USD Coin",
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
"version": "2",
"withdrawDelay": 86400
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"price_basis": "advertised",
"scheme": "batch-settlement",
"timeout_seconds": 3600,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "590c9208275094089c597ebb8aaa491ef9ee7c3eb3a5186a2ed3b658a9761c17",
"schema_fingerprint": "2c0c0b822523a0035d9ec8d75cbbfdf214ca46850069f574286502e3c835683b",
"service_id": "84f0dc1ce0ebd9e486e09361b53108b8035b554db477973ecddef38940081b82",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T21:51:52.173Z",
"url": "https://api.onesource.io/api/chain/tx/:hash",
"usage_rights": "not_reviewed"
}api.onesource.ioLive wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch
https://api.onesource.io/api/chain/live-balance ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.003 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
"description": "Live wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch",
"domain": "api.onesource.io",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
"input_schema": {
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"properties": {
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"additionalProperties": false,
"properties": {
"method": {
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"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"network": {
"default": "ethereum",
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string"
},
"tokens": {
"maxLength": 859,
"pattern": "^0x[a-fA-F0-9]{40}(,0x[a-fA-F0-9]{40}){0,19}$",
"type": "string"
}
},
"required": [
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],
"type": "object"
},
"type": {
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"type": "string"
}
},
"required": [
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"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "Endpoint-specific response payload",
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}api.onesource.ioLatest Ethereum block height - current chain tip via eth_blockNumber
https://api.onesource.io/api/chain/block-number ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
| eip155:8453 | 0.001 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedbatch-settlement | 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea |
Source and evidence
{
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"source_updated_at": "2026-09-11T22:09:01.218Z",
"url": "https://api.onesource.io/api/chain/block-number",
"usage_rights": "not_reviewed"
}Outcome evidence starts with your workflow.
Private intake is ready for task IDs, charges, retries, result fingerprints and your evaluation criteria. Public performance comparisons need measured results; we do not have that benchmark yet.
Discuss an outcome integrationCollection coverage
Discovery comes from configured registries. Endpoint checks record responses, not task success. Older snapshots retain less detail. Customer usage, commercial terms and task evaluations require additional evidence.
1,423 historical or current source records quarantined during normalization; they are excluded from public comparisons.
43 of 43 archive objects verified in Backblaze. Last verification: Sep 12, 2026, 05:56 UTC.
Collection status JSON