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.
1,119 observations · Differences between dated observations.
api.kadec0.xyzBulk WHOIS lookup. Registrar, dates, and nameservers for up to 10 domains in a single batch call.
https://api.kadec0.xyz/v1/whois-bulk ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.05 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Bulk WHOIS lookup. Registrar, dates, and nameservers for up to 10 domains in a single batch call.",
"domain": "api.kadec0.xyz",
"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": {
"domains": {
"description": "comma list of up to 10 domains",
"type": "string"
}
},
"required": [
"domains"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"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": 1789191719.42,
"offers": [
{
"amount": "0.05",
"amount_atomic": "50000",
"amount_encoding": "atomic_units",
"amount_raw": "50000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "028bed932f3e596b1addd16b86a648769d6403947475701b779574d9fa270853",
"service_id": "02d5e78a836c2397f994ce3190932f07107154cb53f49697dc4d75e38144c584",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T12:46:05.833Z",
"url": "https://api.kadec0.xyz/v1/whois-bulk",
"usage_rights": "not_reviewed"
}api.kadec0.xyzCrypto token price and market data. Returns the live price of one or many tokens by coin id or ticker symbol, in a chosen vs-currency, with market cap, 24-hour volume, and 24-hour price change. For crypto price lookups, portfolio valuation, and market data feeds. Keyless, via CoinPaprika.
https://api.kadec0.xyz/v1/token-price ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.01 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Crypto token price and market data. Returns the live price of one or many tokens by coin id or ticker symbol, in a chosen vs-currency, with market cap, 24-hour volume, and 24-hour price change. For crypto price lookups, portfolio valuation, and market data feeds. Keyless, via CoinPaprika.",
"domain": "api.kadec0.xyz",
"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": {
"ids": {
"description": "comma list of coin ids or symbols (e.g. bitcoin,ethereum or btc,eth)",
"type": "string"
},
"vs": {
"default": "usd",
"description": "quote currency (usd only)",
"type": "string"
}
},
"required": [
"ids"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"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": 1789191719.42,
"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": {
"name": "USD Coin",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "c28bb901960ec94240caea445dfe137c5d44d585ff19954e612a590cd57be9b2",
"service_id": "0c284dd82c483b02263e05d39607cffc9f9ca8fa97a270dbd33a642885c31fb9",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T13:24:43.491Z",
"url": "https://api.kadec0.xyz/v1/token-price",
"usage_rights": "not_reviewed"
}api.kadec0.xyzGoogle Trends interest over time for a keyword. Returns Google Trends search interest as a dated series indexed 0-100: weekly points across the default past 12 months, daily points for 30- and 90-day windows, and windows from the past hour back to 2004, with optional country targeting. For keyword trend analysis, search demand seasonality, and SEO keyword research.
https://api.kadec0.xyz/v1/trend ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.05 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Google Trends interest over time for a keyword. Returns Google Trends search interest as a dated series indexed 0-100: weekly points across the default past 12 months, daily points for 30- and 90-day windows, and windows from the past hour back to 2004, with optional country targeting. For keyword trend analysis, search demand seasonality, and SEO keyword research.",
"domain": "api.kadec0.xyz",
"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": {
"geo": {
"description": "ISO-3166 alpha-2 country code, e.g. US, GB, DE, JP (213 countries supported); omit for worldwide",
"type": "string"
},
"keyword": {
"description": "the search term to chart",
"type": "string"
},
"timeframe": {
"default": "past_12_months",
"description": "time window. Each response reports its own bucket size in `granularity`: past_30_days and past_90_days return a daily series, past_12_months and past_5_years weekly, windows under a day hourly",
"enum": [
"2004_present",
"past_12_months",
"past_30_days",
"past_4_hours",
"past_5_years",
"past_7_days",
"past_90_days",
"past_day",
"past_hour"
],
"type": "string"
}
},
"required": [
"keyword"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"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": 1789191719.42,
"offers": [
{
"amount": "0.05",
"amount_atomic": "50000",
"amount_encoding": "atomic_units",
"amount_raw": "50000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "3250605bee338e5c16862b1c142e4b138e8023b66e743a0c6b01fb38f55eb034",
"service_id": "1d17f8c36780c5611bf363e9f5f28d311c1eed8e28741f4037f4e248f2a12c4f",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-10T07:01:46.645Z",
"url": "https://api.kadec0.xyz/v1/trend",
"usage_rights": "not_reviewed"
}api.kadec0.xyzGoogle Trends related topics for a keyword. Returns the topics and named entities associated with a keyword in a given country, as top topics scored 0-100 relative to each other and rising topics with percentage growth, each carrying its entity type. Google Trends topic discovery for market research and content planning.
https://api.kadec0.xyz/v1/related-topics ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.03 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Google Trends related topics for a keyword. Returns the topics and named entities associated with a keyword in a given country, as top topics scored 0-100 relative to each other and rising topics with percentage growth, each carrying its entity type. Google Trends topic discovery for market research and content planning.",
"domain": "api.kadec0.xyz",
"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": {
"geo": {
"description": "ISO-3166 alpha-2 country code, e.g. US, GB, DE, JP (213 countries supported)",
"type": "string"
},
"keyword": {
"description": "the search term",
"type": "string"
},
"timeframe": {
"default": "past_12_months",
"description": "time window. Each response reports its own bucket size in `granularity`: past_30_days and past_90_days return a daily series, past_12_months and past_5_years weekly, windows under a day hourly",
"enum": [
"2004_present",
"past_12_months",
"past_30_days",
"past_4_hours",
"past_5_years",
"past_7_days",
"past_90_days",
"past_day",
"past_hour"
],
"type": "string"
}
},
"required": [
"keyword",
"geo"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"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": 1789191719.42,
"offers": [
{
"amount": "0.03",
"amount_atomic": "30000",
"amount_encoding": "atomic_units",
"amount_raw": "30000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "badf647671d2ee8743e62bc74e7e23265b3d7b8d5c2f04e1a7163ddfaf1e9f97",
"service_id": "1d63f09c57aa096cd72e6a040611976e4625af1ab28a58b9fe4fc55dea48f292",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-08T07:21:58.036Z",
"url": "https://api.kadec0.xyz/v1/related-topics",
"usage_rights": "not_reviewed"
}api.kadec0.xyzLiterature review map in one call. Give a seed paper (DOI, arXiv id, OpenAlex id, or PMID) or a topic query and get one structured result: the seed's references, its cited-by list (most-cited first), and semantically related work, deduplicated into one uniform table with title, authors, year, venue, DOI, and citation count. Collapses search, citation lookup, and related-paper discovery into a single call. Keyless.
https://api.kadec0.xyz/v1/lit-review ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.08 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Literature review map in one call. Give a seed paper (DOI, arXiv id, OpenAlex id, or PMID) or a topic query and get one structured result: the seed's references, its cited-by list (most-cited first), and semantically related work, deduplicated into one uniform table with title, authors, year, venue, DOI, and citation count. Collapses search, citation lookup, and related-paper discovery into a single call. Keyless.",
"domain": "api.kadec0.xyz",
"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": {
"anyOf": [
{
"required": [
"id"
]
},
{
"required": [
"doi"
]
},
{
"required": [
"q"
]
}
],
"properties": {
"doi": {
"description": "alias for id (DOI form)",
"type": "string"
},
"id": {
"description": "seed paper: arXiv id, DOI, OpenAlex id, or PMID",
"type": "string"
},
"maxItems": {
"default": "10",
"description": "max nodes per section (1-25)",
"type": "string"
},
"q": {
"description": "topic query (seed = top hit); use this OR id/doi",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"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": 1789191719.42,
"offers": [
{
"amount": "0.08",
"amount_atomic": "80000",
"amount_encoding": "atomic_units",
"amount_raw": "80000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "8ef0cc870adc193e5b4a1005d5cd1d7ec233cb18cee461870d68bdf63f4ac45d",
"service_id": "1eef734bc6243c68aa5234a6cb58d8ee54b79cbf99520b4eddc4e463a28b6fe9",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-08T04:39:10.01Z",
"url": "https://api.kadec0.xyz/v1/lit-review",
"usage_rights": "not_reviewed"
}api.kadec0.xyzFull text and open-access PDF retrieval for a paper. Given an arXiv id, DOI, OpenAlex id, PMID, or PMCID, returns the readable body split into sections (introduction, methods, results) plus the open-access PDF location: arXiv via ar5iv, biomedical via Europe PMC, OA locations via OpenAlex for the rest. The 'now read it' call after a paper search. Keyless.
https://api.kadec0.xyz/v1/paper-fulltext ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.04 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Full text and open-access PDF retrieval for a paper. Given an arXiv id, DOI, OpenAlex id, PMID, or PMCID, returns the readable body split into sections (introduction, methods, results) plus the open-access PDF location: arXiv via ar5iv, biomedical via Europe PMC, OA locations via OpenAlex for the rest. The 'now read it' call after a paper search. Keyless.",
"domain": "api.kadec0.xyz",
"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": {
"anyOf": [
{
"required": [
"id"
]
},
{
"required": [
"doi"
]
}
],
"properties": {
"doi": {
"description": "alias for id (DOI form)",
"type": "string"
},
"id": {
"description": "arXiv id, DOI, OpenAlex id, PMID, or PMCID",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"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": 1789191719.42,
"offers": [
{
"amount": "0.04",
"amount_atomic": "40000",
"amount_encoding": "atomic_units",
"amount_raw": "40000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "443dcaa187689aaf0bbf5426b33b164cd6bc9dbe9e4681245321433f908fcba5",
"service_id": "262d3870ca81f1072edb7f64849ccd21e87e5c8b6569ef0846ef2a76de2c7677",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T18:36:32.004Z",
"url": "https://api.kadec0.xyz/v1/paper-fulltext",
"usage_rights": "not_reviewed"
}api.kadec0.xyzEmail validation and email list cleaning. Checks each email address for RFC syntax, a live MX record lookup returning the real mail hosts, disposable-domain detection, role-account flags (info@, sales@, noreply@), and a free-provider flag, rolled into a per-address ok/risky/invalid verdict with reasons. Batch up to 25 email addresses per call. Domain-level DNS only, no SMTP mailbox probe. Keyless.
https://api.kadec0.xyz/v1/email-validate ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.03 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Email validation and email list cleaning. Checks each email address for RFC syntax, a live MX record lookup returning the real mail hosts, disposable-domain detection, role-account flags (info@, sales@, noreply@), and a free-provider flag, rolled into a per-address ok/risky/invalid verdict with reasons. Batch up to 25 email addresses per call. Domain-level DNS only, no SMTP mailbox probe. Keyless.",
"domain": "api.kadec0.xyz",
"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": {
"emails": {
"description": "comma-separated email addresses, up to 25 per call (a single address works too)",
"type": "string"
}
},
"required": [
"emails"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"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": 1789191719.42,
"offers": [
{
"amount": "0.03",
"amount_atomic": "30000",
"amount_encoding": "atomic_units",
"amount_raw": "30000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "a9f1d953cd61aebe3554c3f70a75e25c3aa76adefee8fe9b65dfabfb92d61f89",
"service_id": "2661e2b2e55b3760d1e9c29415976676c0925a72c17a571d7cf50d3e4320c1c8",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-08T07:22:01.081Z",
"url": "https://api.kadec0.xyz/v1/email-validate",
"usage_rights": "not_reviewed"
}api.kadec0.xyzConsumer product recalls. A normalized multi-agency recall feed spanning FDA, CPSC, and NHTSA — product, reason, company, classification, and severity.
https://api.kadec0.xyz/v1/recalls ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.02 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Consumer product recalls. A normalized multi-agency recall feed spanning FDA, CPSC, and NHTSA — product, reason, company, classification, and severity.",
"domain": "api.kadec0.xyz",
"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": {
"agency": {
"default": "all",
"description": "usda/FSIS is unavailable (agency blocks bots)",
"enum": [
"fda",
"cpsc",
"nhtsa",
"all"
],
"type": "string"
},
"limit": {
"default": "25",
"type": "string"
},
"q": {
"description": "search text. For agency=nhtsa pass '<make> <model> <year>'",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"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": 1789191719.42,
"offers": [
{
"amount": "0.02",
"amount_atomic": "20000",
"amount_encoding": "atomic_units",
"amount_raw": "20000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "7629726d5e07a29fa91a8fd110e3b74c2dc5a1eaade50255c0ba7f535fe6f3f6",
"service_id": "26ea484d653353e356f50892234163f9a4330c3b7b4bc0518dc343c7ece362cd",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-12T01:27:40.748Z",
"url": "https://api.kadec0.xyz/v1/recalls",
"usage_rights": "not_reviewed"
}api.kadec0.xyzWeb search plus page reading in one call: answer with sources. Runs a web search, scrapes the top results, and returns the ranked search results together with each page's content as clean LLM-ready markdown, so an agent gets the SERP AND the underlying text without a second round of scrape calls. Per-page fetch errors are reported honestly per URL.
https://api.kadec0.xyz/v1/serp-read ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.08 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Web search plus page reading in one call: answer with sources. Runs a web search, scrapes the top results, and returns the ranked search results together with each page's content as clean LLM-ready markdown, so an agent gets the SERP AND the underlying text without a second round of scrape calls. Per-page fetch errors are reported honestly per URL.",
"domain": "api.kadec0.xyz",
"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": {
"engine": {
"default": "auto",
"description": "search backend: auto (recommended) or yahoo/yandex (web); bing (news)",
"type": "string"
},
"fetch_top": {
"default": "3",
"description": "how many top results to fetch and extract, cap 5",
"type": "string"
},
"maxChars": {
"default": "8000",
"description": "max markdown chars per fetched page",
"type": "string"
},
"mode": {
"default": "web",
"enum": [
"web",
"news"
],
"type": "string"
},
"num_results": {
"default": "5",
"description": "ranked results to return, cap 25",
"type": "string"
},
"q": {
"description": "search query",
"type": "string"
},
"region": {
"default": "us-en",
"description": "locale, e.g. us-en, uk-en, de-de",
"type": "string"
},
"safesearch": {
"default": "moderate",
"enum": [
"on",
"moderate",
"off"
],
"type": "string"
},
"timelimit": {
"description": "restrict to past day/week/month/year",
"enum": [
"d",
"w",
"m",
"y"
],
"type": "string"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"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": 1789191719.42,
"offers": [
{
"amount": "0.08",
"amount_atomic": "80000",
"amount_encoding": "atomic_units",
"amount_raw": "80000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "c5e2779b0990ee5d48d1ef6065be4893244ff39a8b1cd891ee07b631a9d84902",
"service_id": "2b39fa853adf3aff6a9201be95c9acd9fbbf82ba1378e1e94cb0c89b771e0968",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-12T03:59:01.888Z",
"url": "https://api.kadec0.xyz/v1/serp-read",
"usage_rights": "not_reviewed"
}api.kadec0.xyzSEC filings full-text search. Searches SEC EDGAR filings - 10-K, 10-Q, 8-K, and every other form type - by keyword, company name, ticker, or CIK, with date-range filtering, returning company, form type, filing date, accession number, and a direct document link. For SEC filings research and disclosure monitoring. Keyless.
https://api.kadec0.xyz/v1/sec-edgar ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.05 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "SEC filings full-text search. Searches SEC EDGAR filings - 10-K, 10-Q, 8-K, and every other form type - by keyword, company name, ticker, or CIK, with date-range filtering, returning company, form type, filing date, accession number, and a direct document link. For SEC filings research and disclosure monitoring. Keyless.",
"domain": "api.kadec0.xyz",
"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": {
"anyOf": [
{
"required": [
"q"
]
},
{
"required": [
"company"
]
},
{
"required": [
"cik"
]
}
],
"properties": {
"cik": {
"description": "SEC CIK",
"type": "string"
},
"company": {
"description": "entity name",
"type": "string"
},
"dateRange": {
"description": "YYYY-MM-DD..YYYY-MM-DD",
"type": "string"
},
"maxItems": {
"default": "20",
"type": "string"
},
"q": {
"description": "full-text query",
"type": "string"
},
"type": {
"description": "form type, e.g. 10-K|10-Q|8-K",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"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": 1789191719.42,
"offers": [
{
"amount": "0.05",
"amount_atomic": "50000",
"amount_encoding": "atomic_units",
"amount_raw": "50000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "3c0850ad924a339706a431bb61714863bbf310e6d5d6b4ae4bd51be33e4e385a",
"service_id": "31cbb0ad04296324365a4bc74e414e380a9f2c61ca7c7c0af7b72e7cad60c7e1",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T19:21:28.931Z",
"url": "https://api.kadec0.xyz/v1/sec-edgar",
"usage_rights": "not_reviewed"
}api.kadec0.xyzInstant website SEO audit. On-page SEO, performance, and accessibility snapshot for any URL — title, meta tags, headings, links, image alt, load time, and an issues list with score.
https://api.kadec0.xyz/v1/website-audit ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.08 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Instant website SEO audit. On-page SEO, performance, and accessibility snapshot for any URL — title, meta tags, headings, links, image alt, load time, and an issues list with score.",
"domain": "api.kadec0.xyz",
"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": {
"url": {
"description": "page URL",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"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": 1789191719.42,
"offers": [
{
"amount": "0.08",
"amount_atomic": "80000",
"amount_encoding": "atomic_units",
"amount_raw": "80000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
"output_schema": null,
"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "8d2511bf2292ef051296ecd170770dbcb6f70c8f5518728e41b865639f1f94ca",
"service_id": "3558542d692c80ff0a9102800325623f3461f7814230d9956e39b5775457c966",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-12T01:31:08.778Z",
"url": "https://api.kadec0.xyz/v1/website-audit",
"usage_rights": "not_reviewed"
}api.kadec0.xyzGeocoding and reverse geocoding. Converts an address or place name to latitude/longitude, or coordinates back to an address.
https://api.kadec0.xyz/v1/geocode ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.01 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Geocoding and reverse geocoding. Converts an address or place name to latitude/longitude, or coordinates back to an address.",
"domain": "api.kadec0.xyz",
"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": {
"anyOf": [
{
"required": [
"q"
]
},
{
"required": [
"lat",
"lon"
]
}
],
"properties": {
"lat": {
"description": "latitude (reverse geocode)",
"type": "string"
},
"lon": {
"description": "longitude (reverse geocode)",
"type": "string"
},
"maxItems": {
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}api.kadec0.xyzMarket fear & greed index. Aggregated investor sentiment from CNN Fear & Greed, the crypto Fear & Greed index, and the VIX volatility gauge.
https://api.kadec0.xyz/v1/market-sentiment ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.05 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
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}api.kadec0.xyzHacker News feed. Top, new, and best front-page stories plus full-text story search — titles, scores, comment counts, and author for tech and startup news.
https://api.kadec0.xyz/v1/hackernews ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.01 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
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}api.kadec0.xyzDeFi TVL for protocols and chains. Returns total value locked per DeFi protocol or per chain via DefiLlama, with category, supported chains, and TVL change over time, filterable by category or chain. For DeFi protocol screening, chain-level TVL comparison, and tracking where liquidity is moving. Keyless.
https://api.kadec0.xyz/v1/defi-tvl ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.02 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
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}api.kadec0.xyzAcademic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in one call, deduplicated into a ranked result set: title, authors, year, venue, abstract, citation count, DOI, and direct PDF link. Query by keyword or restrict to one source; filter by year range; sort by relevance, recency, or citations. Keyless.
https://api.kadec0.xyz/v1/papers ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.02 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
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}api.kadec0.xyzGoogle Trends interest by region for a keyword. Returns the subregional breakdown of Google Trends search interest inside a country - by state, province, or region - each ranked 0-100 relative to the strongest region. For regional demand mapping, geo targeting, and finding where a keyword over-indexes before spending on it.
https://api.kadec0.xyz/v1/interest-by-region ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.03 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
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"url": "https://api.kadec0.xyz/v1/interest-by-region",
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}api.kadec0.xyzSmart, auto-routed research paper search. A broad field term is grounded against the OpenAlex taxonomy and returned as a coherent field cluster; a natural-language question runs hybrid retrieval over OpenAlex and Semantic Scholar with reciprocal rank fusion and a SPECTER2 embedding rerank. The response exposes the routing decision, and each paper carries title, authors, year, venue, citation count, DOI, and a relevance score. Keyless.
https://api.kadec0.xyz/v1/smart-search ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.02 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
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}api.kadec0.xyzWeather forecast and air quality for any location worldwide. Returns current conditions plus a 16-day daily weather forecast - temperature highs and lows, precipitation, and wind - alongside air-quality readings including AQI, PM2.5, PM10, and ozone, for any latitude and longitude. Daily forecast resolution. Keyless, via Open-Meteo.
https://api.kadec0.xyz/v1/weather ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
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"extra": {
"name": "USD Coin",
"version": "2"
},
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"usage_rights": "not_reviewed"
}api.kadec0.xyzAuthor and researcher profile search. An author name returns matching researchers with current affiliation, publication count, total citations, h-index and i10-index, and their most-cited papers — for author lookup, disambiguation, and citation-metrics. Keyless via OpenAlex.
https://api.kadec0.xyz/v1/author-search ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.02 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Author and researcher profile search. An author name returns matching researchers with current affiliation, publication count, total citations, h-index and i10-index, and their most-cited papers — for author lookup, disambiguation, and citation-metrics. Keyless via OpenAlex.",
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"url": "https://api.kadec0.xyz/v1/author-search",
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}api.kadec0.xyzGitHub data. Repository stats, user profiles, and code-search results (stars, forks, language, topics, issues) via the GitHub REST API.
https://api.kadec0.xyz/v1/github ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.02 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "GitHub data. Repository stats, user profiles, and code-search results (stars, forks, language, topics, issues) via the GitHub REST API.",
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}api.kadec0.xyzFDA recalls and adverse events. Drug, device, and food recall and adverse-event records from openFDA with classification, recalling firm, and reason.
https://api.kadec0.xyz/v1/fda ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.02 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "FDA recalls and adverse events. Drug, device, and food recall and adverse-event records from openFDA with classification, recalling firm, and reason.",
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}api.kadec0.xyzStablecoin supply data. Returns circulating supply for stablecoins broken down across chains via DefiLlama, filterable by peg type and by collateral mechanism, so you can compare fiat-backed against crypto-backed and algorithmic stablecoins. For stablecoin market share, depeg watch, and chain-level supply tracking. Keyless.
https://api.kadec0.xyz/v1/stablecoins ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.02 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Stablecoin supply data. Returns circulating supply for stablecoins broken down across chains via DefiLlama, filterable by peg type and by collateral mechanism, so you can compare fiat-backed against crypto-backed and algorithmic stablecoins. For stablecoin market share, depeg watch, and chain-level supply tracking. Keyless.",
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"url": "https://api.kadec0.xyz/v1/stablecoins",
"usage_rights": "not_reviewed"
}api.kadec0.xyzMulti-engine web search (metasearch). One search query fanned out across 2-3 search engines (Brave, Yahoo, Yandex) with results deduplicated by URL and merged by reciprocal-rank fusion: consensus ranking across engines instead of one engine's bias, with per-engine rank attribution on every result.
https://api.kadec0.xyz/v1/serp-multi ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.05 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Multi-engine web search (metasearch). One search query fanned out across 2-3 search engines (Brave, Yahoo, Yandex) with results deduplicated by URL and merged by reciprocal-rank fusion: consensus ranking across engines instead of one engine's bias, with per-engine rank attribution on every result.",
"domain": "api.kadec0.xyz",
"evidence_mode": "raw",
"extension_names": [
"bazaar"
],
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"description": "comma list of 2-3 engines: yahoo, yandex (web mode). news mode has a single live engine (bing), so multi-engine is web-only",
"type": "string"
},
"mode": {
"default": "web",
"enum": [
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"news"
],
"type": "string"
},
"num_results": {
"default": "10",
"description": "max results per engine, cap 25",
"type": "string"
},
"q": {
"description": "search query",
"type": "string"
},
"region": {
"default": "us-en",
"description": "locale, e.g. us-en, uk-en, de-de",
"type": "string"
},
"safesearch": {
"default": "moderate",
"enum": [
"on",
"moderate",
"off"
],
"type": "string"
},
"timelimit": {
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"enum": [
"d",
"w",
"m",
"y"
],
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}
},
"required": [
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],
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},
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}
},
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"legacy_network": null,
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"metadata": null,
"method": "GET",
"observed_at": 1789191719.42,
"offers": [
{
"amount": "0.05",
"amount_atomic": "50000",
"amount_encoding": "atomic_units",
"amount_raw": "50000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
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"usd_market_value": null
}
],
"operator_identity": "not_verified",
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"protocol": "x402",
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"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "981d94fffba623c936214c5163d6454717f8afef7445691d68ba4b9b5ab9bb31",
"service_id": "643398603db60d10e29f408fd07cf45e7ab59a9fafd5088305bc7c1854145466",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-08T04:31:35.061Z",
"url": "https://api.kadec0.xyz/v1/serp-multi",
"usage_rights": "not_reviewed"
}api.kadec0.xyzGoogle Trends related queries for a keyword. Returns the searches people run alongside a keyword in a given country: top queries scored 0-100 relative to each other, and rising queries with their percentage growth. Google Trends keyword expansion for SEO keyword research, content planning, and spotting breakout search demand early.
https://api.kadec0.xyz/v1/related-queries ↗
| Network | Advertised amount | Billing | Payee |
|---|---|---|---|
| eip155:8453 | 0.03 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | Not specifiedexact | 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA |
Source and evidence
{
"description": "Google Trends related queries for a keyword. Returns the searches people run alongside a keyword in a given country: top queries scored 0-100 relative to each other, and rising queries with their percentage growth. Google Trends keyword expansion for SEO keyword research, content planning, and spotting breakout search demand early.",
"domain": "api.kadec0.xyz",
"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": {
"geo": {
"description": "ISO-3166 alpha-2 country code, e.g. US, GB, DE, JP (213 countries supported)",
"type": "string"
},
"keyword": {
"description": "the search term",
"type": "string"
},
"timeframe": {
"default": "past_12_months",
"description": "time window. Each response reports its own bucket size in `granularity`: past_30_days and past_90_days return a daily series, past_12_months and past_5_years weekly, windows under a day hourly",
"enum": [
"2004_present",
"past_12_months",
"past_30_days",
"past_4_hours",
"past_5_years",
"past_7_days",
"past_90_days",
"past_day",
"past_hour"
],
"type": "string"
}
},
"required": [
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],
"type": "object"
},
"type": {
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}
},
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],
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"example": {
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},
"type": {
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}
},
"required": [
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],
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}
},
"required": [
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],
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},
"legacy_network": null,
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"legacy_price_basis": null,
"legacy_price_usd": null,
"metadata": null,
"method": "GET",
"observed_at": 1789191719.42,
"offers": [
{
"amount": "0.03",
"amount_atomic": "30000",
"amount_encoding": "atomic_units",
"amount_raw": "30000",
"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",
"version": "2"
},
"issuer": null,
"network": "eip155:8453",
"pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
"price_basis": "advertised",
"scheme": "exact",
"timeout_seconds": 300,
"usd_market_value": null
}
],
"operator_identity": "not_verified",
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"protocol": "x402",
"protocol_version": 2,
"quality": "not_evaluated",
"run_id": "9895bd56e6d867a8f7f441d31e3c37014e6e211256019c569d02b946b0bc1b02",
"schema_fingerprint": "badf647671d2ee8743e62bc74e7e23265b3d7b8d5c2f04e1a7163ddfaf1e9f97",
"service_id": "745b40f664d38bb2d56c1ed62dfebca1fe2d290ebb6a65d11acba4c32d3cd2ac",
"source": "cdp-bazaar",
"source_updated_at": "2026-09-11T19:40:37.016Z",
"url": "https://api.kadec0.xyz/v1/related-queries",
"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