INTELLIGENCE

Data worth acting on.

Agent-collected datasets and analytics, built around your question.

AGENT-COLLECTED DATA

Raw activity.
Useful intelligence.

Our collection agents gather payment records, provider listings and endpoint observations. We organize the evidence into dated datasets you can explore, analyze and request.

01 / PAYMENTS

Understand activity.

Amounts, currencies, wallets and transaction evidence. Filter by time to study patterns and concentration.

02 / PROVIDERS

Compare the market.

Service listings, advertised prices, payment options and endpoint observations—with sources attached.

03 / HISTORY

See what changed.

Dated snapshots and change records reveal shifts that a current directory cannot show.

The value is in the connections: normalized records, history and traceable evidence. Custom datasets and analytics are scoped to your question and available coverage.

Cost intelligence

Find the better way to pay.

Compare service prices and payment options against your workload.

Scoped audits · customer usage requiredRequest a cost audit
Change intelligence

Know when your dependencies change.

Track payment offers, service schemas and provider changes over time.

Custom watchlists and historyDiscuss monitoring
Outcome intelligence

Connect the purchase to the result.

Bring charges, retries and task evaluations into one private evidence record.

Integration pilot · your task criteriaConnect your workflow

COMMERCE RELATIONSHIPS

Who receives the payment?

Explore JSON

Follow sampled transfers to dated service payout disclosures. Each match is a candidate; purchase, company identity and delivery need additional evidence.

2,000Audited event records
0.1%One service candidate
1008Shared-wallet matches
2Single-candidate matches

2026-09-06 04:29 UTC2026-09-13 04:29 UTC · 2,000 of 6,900 retained source records inspected · Sample capped at 2,000. 0 duplicates collapsed. 0 records lack an event key.

Latest sampled activity · 48-hour disclosure freshness limit
TransferService candidatesEvidence
eip155:84530xa9dd7c…bc2315UnresolvedNo matching disclosure
Attribution evidence
{
  "amount_atomic": "2000",
  "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "buyer_organization": null,
  "candidates": [],
  "event_key": "eip155:8453:0x347bc895b8ed785072aade2b73eff27b2a196e3f6c9d96a9b15f3321eb6b78b6:1187",
  "log_index": 1187,
  "network": "eip155:8453",
  "observed_at": 1789272633,
  "purchase_verified": false,
  "recipient": "0xa9dd7cc9cbf0e05551332209289f04be36bc2315",
  "sender": "0xaa9c36d13b0a4bb496431e0ecec49a60dcd0f2ea",
  "status": "unresolved",
  "transaction_hash": "0x347bc895b8ed785072aade2b73eff27b2a196e3f6c9d96a9b15f3321eb6b78b6"
}
eip155:84530xa9dd7c…bc2315UnresolvedNo matching disclosure
Attribution evidence
{
  "amount_atomic": "2000",
  "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "buyer_organization": null,
  "candidates": [],
  "event_key": "eip155:8453:0xe50793a6352b19f5b3a1fa8dca908f927ad6157e3fc12b7b3a9112e66d608495:726",
  "log_index": 726,
  "network": "eip155:8453",
  "observed_at": 1789272633,
  "purchase_verified": false,
  "recipient": "0xa9dd7cc9cbf0e05551332209289f04be36bc2315",
  "sender": "0xaa9c36d13b0a4bb496431e0ecec49a60dcd0f2ea",
  "status": "unresolved",
  "transaction_hash": "0xe50793a6352b19f5b3a1fa8dca908f927ad6157e3fc12b7b3a9112e66d608495"
}
eip155:84530xa9dd7c…bc2315UnresolvedNo matching disclosure
Attribution evidence
{
  "amount_atomic": "2000",
  "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "buyer_organization": null,
  "candidates": [],
  "event_key": "eip155:8453:0x61512006687db0be87840b1c1a70cf554f50a8b61c1074d9acd7cbf8f72dd1f0:808",
  "log_index": 808,
  "network": "eip155:8453",
  "observed_at": 1789272633,
  "purchase_verified": false,
  "recipient": "0xa9dd7cc9cbf0e05551332209289f04be36bc2315",
  "sender": "0xaa9c36d13b0a4bb496431e0ecec49a60dcd0f2ea",
  "status": "unresolved",
  "transaction_hash": "0x61512006687db0be87840b1c1a70cf554f50a8b61c1074d9acd7cbf8f72dd1f0"
}
eip155:84530xa9dd7c…bc2315UnresolvedNo matching disclosure
Attribution evidence
{
  "amount_atomic": "2000",
  "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "buyer_organization": null,
  "candidates": [],
  "event_key": "eip155:8453:0xc06466fd7fd976d7312f97b381460f9b04bc9da4f2f77acd2715352752e37c87:729",
  "log_index": 729,
  "network": "eip155:8453",
  "observed_at": 1789272633,
  "purchase_verified": false,
  "recipient": "0xa9dd7cc9cbf0e05551332209289f04be36bc2315",
  "sender": "0xaa9c36d13b0a4bb496431e0ecec49a60dcd0f2ea",
  "status": "unresolved",
  "transaction_hash": "0xc06466fd7fd976d7312f97b381460f9b04bc9da4f2f77acd2715352752e37c87"
}
eip155:84530xa9dd7c…bc2315UnresolvedNo matching disclosure
Attribution evidence
{
  "amount_atomic": "2000",
  "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "buyer_organization": null,
  "candidates": [],
  "event_key": "eip155:8453:0x429efc3061fd2f06ca8058bc36b2f8419945f33854675f1d24a2b9492cf3549d:1110",
  "log_index": 1110,
  "network": "eip155:8453",
  "observed_at": 1789272633,
  "purchase_verified": false,
  "recipient": "0xa9dd7cc9cbf0e05551332209289f04be36bc2315",
  "sender": "0xaa9c36d13b0a4bb496431e0ecec49a60dcd0f2ea",
  "status": "unresolved",
  "transaction_hash": "0x429efc3061fd2f06ca8058bc36b2f8419945f33854675f1d24a2b9492cf3549d"
}
eip155:84530xa9dd7c…bc2315UnresolvedNo matching disclosure
Attribution evidence
{
  "amount_atomic": "2000",
  "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "buyer_organization": null,
  "candidates": [],
  "event_key": "eip155:8453:0x536a38c0d9aae370d8e0c35e7481ef072da250e23ab9657e660328cbf5903a2d:1425",
  "log_index": 1425,
  "network": "eip155:8453",
  "observed_at": 1789272631,
  "purchase_verified": false,
  "recipient": "0xa9dd7cc9cbf0e05551332209289f04be36bc2315",
  "sender": "0xaa9c36d13b0a4bb496431e0ecec49a60dcd0f2ea",
  "status": "unresolved",
  "transaction_hash": "0x536a38c0d9aae370d8e0c35e7481ef072da250e23ab9657e660328cbf5903a2d"
}
eip155:84530xa9dd7c…bc2315UnresolvedNo matching disclosure
Attribution evidence
{
  "amount_atomic": "2000",
  "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "buyer_organization": null,
  "candidates": [],
  "event_key": "eip155:8453:0x02b7e3a5fc611ed7d3cd443df4fcc35af4fb5cd064bb59e5dd962c667f70bc70:1035",
  "log_index": 1035,
  "network": "eip155:8453",
  "observed_at": 1789272631,
  "purchase_verified": false,
  "recipient": "0xa9dd7cc9cbf0e05551332209289f04be36bc2315",
  "sender": "0xaa9c36d13b0a4bb496431e0ecec49a60dcd0f2ea",
  "status": "unresolved",
  "transaction_hash": "0x02b7e3a5fc611ed7d3cd443df4fcc35af4fb5cd064bb59e5dd962c667f70bc70"
}
eip155:84530xa9dd7c…bc2315UnresolvedNo matching disclosure
Attribution evidence
{
  "amount_atomic": "2000",
  "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "buyer_organization": null,
  "candidates": [],
  "event_key": "eip155:8453:0x6fb85436522b50cc3a037171bf7aefe6780bb0a6b694dc0a6e9f15d94b7bf8fa:1041",
  "log_index": 1041,
  "network": "eip155:8453",
  "observed_at": 1789272631,
  "purchase_verified": false,
  "recipient": "0xa9dd7cc9cbf0e05551332209289f04be36bc2315",
  "sender": "0xaa9c36d13b0a4bb496431e0ecec49a60dcd0f2ea",
  "status": "unresolved",
  "transaction_hash": "0x6fb85436522b50cc3a037171bf7aefe6780bb0a6b694dc0a6e9f15d94b7bf8fa"
}
eip155:84530xa9dd7c…bc2315UnresolvedNo matching disclosure
Attribution evidence
{
  "amount_atomic": "2000",
  "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "buyer_organization": null,
  "candidates": [],
  "event_key": "eip155:8453:0x57a059ad8f6a87f9ab99cd118093e8ae43b18a716c62e99cf334de0db5d2e455:1038",
  "log_index": 1038,
  "network": "eip155:8453",
  "observed_at": 1789272631,
  "purchase_verified": false,
  "recipient": "0xa9dd7cc9cbf0e05551332209289f04be36bc2315",
  "sender": "0xaa9c36d13b0a4bb496431e0ecec49a60dcd0f2ea",
  "status": "unresolved",
  "transaction_hash": "0x57a059ad8f6a87f9ab99cd118093e8ae43b18a716c62e99cf334de0db5d2e455"
}
eip155:84530xa9dd7c…bc2315UnresolvedNo matching disclosure
Attribution evidence
{
  "amount_atomic": "2000",
  "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "buyer_organization": null,
  "candidates": [],
  "event_key": "eip155:8453:0xce7f70286603db68e3a8a6f2511e65a22cd80b59eb6c2f9a6cf1845b7cb67e78:1205",
  "log_index": 1205,
  "network": "eip155:8453",
  "observed_at": 1789272631,
  "purchase_verified": false,
  "recipient": "0xa9dd7cc9cbf0e05551332209289f04be36bc2315",
  "sender": "0xaa9c36d13b0a4bb496431e0ecec49a60dcd0f2ea",
  "status": "unresolved",
  "transaction_hash": "0xce7f70286603db68e3a8a6f2511e65a22cd80b59eb6c2f9a6cf1845b7cb67e78"
}
Coverage, value and unknowns

Only EVM event identities are supported. Chain, transaction and transfer log index identify a payment leg. A wallet shared by multiple services keeps all candidates. Registry snapshots describe observed disclosures, not continuous ownership.

Buyer organizations, countries and delivery outcomes are unresolved in this public audit. Token values are grouped separately; USD revenue is not inferred. Logos remain neutral until asset-use rights are reviewed.

{
  "audit_population": 2000,
  "buyer_identity_coverage": 0,
  "country_coverage": 0,
  "counts": {
    "ambiguous": 1008,
    "unique_candidate": 2,
    "unresolved": 990
  },
  "duplicate_records": 0,
  "keyed_events": 2000,
  "outcome_coverage": 0,
  "retained_records_in_range": 6900,
  "sampled_records": 2000,
  "scope": "Latest 2000 retained sampled records in range; explorer gaps possible",
  "source": "x402scan",
  "truncated": true,
  "unique_candidate_share": 0.001,
  "unkeyed_records": 0,
  "value_basis": "Source-reported integer atomic amount, grouped by chain and token; no USD valuation",
  "value_by_asset": [
    {
      "ambiguous_atomic": "38020302",
      "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
      "network": "eip155:8453",
      "records": 2000,
      "total_atomic": "330055766",
      "unique_candidate_atomic": "7000",
      "unique_candidate_share": "0.0000212085372264031284943526785712933129003418167825615262846218538718090445358255004701235851156134627261745822674099261153340978142463355722741713895706"
    }
  ],
  "value_records": 2000
}

THE EVIDENCE BASE

Collected. Dated. Traceable.

Use the API
14,512Source listings
33Source snapshots
27,889Recorded changes
1,221Endpoint observations

Latest snapshot: Sep 12, 2026, 05:41 UTC. Daily collection; gaps remain unknown.

1,248 observations · Differences between dated observations.

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
NetworkAdvertised amountBillingPayee
eip155:84530.08 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
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": 1789165815.545,
  "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": "382b8312647110a124aca29eee9bbd2fa92a6158a6332bbbf5fb56d005fc177c",
  "schema_fingerprint": "8d2511bf2292ef051296ecd170770dbcb6f70c8f5518728e41b865639f1f94ca",
  "service_id": "3558542d692c80ff0a9102800325623f3461f7814230d9956e39b5775457c966",
  "source": "cdp-bazaar",
  "source_updated_at": "2026-09-09T19:03:29.749Z",
  "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
NetworkAdvertised amountBillingPayee
eip155:84530.01 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
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": {
                "default": "5",
                "type": "string"
              },
              "q": {
                "description": "address (forward geocode)",
                "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": 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": {
        "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": "382b8312647110a124aca29eee9bbd2fa92a6158a6332bbbf5fb56d005fc177c",
  "schema_fingerprint": "f1e319d54d8cae484138545417ff376427bd75fd15b2e401399845899293aee8",
  "service_id": "369d003447f631b07f4ea79094abc18d964e0fa17a165e2cb5e6454057b3ac71",
  "source": "cdp-bazaar",
  "source_updated_at": "2026-09-10T03:10:27.014Z",
  "url": "https://api.kadec0.xyz/v1/geocode",
  "usage_rights": "not_reviewed"
}
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
NetworkAdvertised amountBillingPayee
eip155:84530.05 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
Source and evidence
{
  "description": "Market fear & greed index. Aggregated investor sentiment from CNN Fear & Greed, the crypto Fear & Greed index, and the VIX volatility gauge.",
  "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": {
              "asset_class": {
                "default": "all",
                "enum": [
                  "crypto",
                  "stocks",
                  "all"
                ],
                "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": 1789165815.545,
  "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",
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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
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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
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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
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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
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Source and evidence
{
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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
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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
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Source and evidence
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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
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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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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
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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
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Source and evidence
{
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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
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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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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
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Source and evidence
{
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                "description": "locale, e.g. us-en, uk-en, de-de",
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              "safesearch": {
                "default": "moderate",
                "enum": [
                  "on",
                  "moderate",
                  "off"
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                "type": "string"
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              "timelimit": {
                "description": "restrict to past day/week/month/year",
                "enum": [
                  "d",
                  "w",
                  "m",
                  "y"
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                "type": "string"
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              "q",
              "engines"
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          },
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            "const": "http",
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        "required": [
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      "billing_unit_basis": "commercial_terms_not_validated",
      "currency": "USDC",
      "decimals": 6,
      "decimals_basis": "known_token_mapping",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "issuer": null,
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      "pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
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  "quality": "not_evaluated",
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  "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
NetworkAdvertised amountBillingPayee
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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",
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  "extension_names": [
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  ],
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                "description": "the search term",
                "type": "string"
              },
              "timeframe": {
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                "enum": [
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                  "past_12_months",
                  "past_30_days",
                  "past_4_hours",
                  "past_5_years",
                  "past_7_days",
                  "past_90_days",
                  "past_day",
                  "past_hour"
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      "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,
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      "pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
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    }
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  "operator_identity": "not_verified",
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  "quality": "not_evaluated",
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  "source": "cdp-bazaar",
  "source_updated_at": "2026-09-11T19:40:37.016Z",
  "url": "https://api.kadec0.xyz/v1/related-queries",
  "usage_rights": "not_reviewed"
}
api.kadec0.xyzCompany domain enrichment. Firmographics, tech-stack detection, social profiles, and metadata for a company domain — a keyless one-call enrichment gateway.
https://api.kadec0.xyz/v1/enrich
NetworkAdvertised amountBillingPayee
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Source and evidence
{
  "description": "Company domain enrichment. Firmographics, tech-stack detection, social profiles, and metadata for a company domain — a keyless one-call enrichment gateway.",
  "domain": "api.kadec0.xyz",
  "evidence_mode": "raw",
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            },
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  "metadata": null,
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  "offers": [
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      "amount_atomic": "150000",
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      "amount_raw": "150000",
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      "currency": "USDC",
      "decimals": 6,
      "decimals_basis": "known_token_mapping",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "issuer": null,
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      "pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
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  "quality": "not_evaluated",
  "run_id": "382b8312647110a124aca29eee9bbd2fa92a6158a6332bbbf5fb56d005fc177c",
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  "source": "cdp-bazaar",
  "source_updated_at": "2026-08-22T13:09:21.366Z",
  "url": "https://api.kadec0.xyz/v1/enrich",
  "usage_rights": "not_reviewed"
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api.kadec0.xyzUS congressional stock trades. Stock transactions disclosed by members of the House and Senate under the STOCK Act — politician, ticker, amount, and date.
https://api.kadec0.xyz/v1/congress-trades
NetworkAdvertised amountBillingPayee
eip155:84530.05 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
Source and evidence
{
  "description": "US congressional stock trades. Stock transactions disclosed by members of the House and Senate under the STOCK Act — politician, ticker, amount, and date.",
  "domain": "api.kadec0.xyz",
  "evidence_mode": "raw",
  "extension_names": [
    "bazaar"
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            ],
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          },
          "queryParams": {
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              "chamber": {
                "enum": [
                  "house",
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                ],
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              },
              "dateRange": {
                "description": "YYYY-MM-DD..YYYY-MM-DD on transaction date",
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              "politician": {
                "description": "filer name substring",
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              },
              "ticker": {
                "description": "stock ticker, exact",
                "type": "string"
              },
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  "method": "GET",
  "observed_at": 1789165815.545,
  "offers": [
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      "amount": "0.05",
      "amount_atomic": "50000",
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      "currency": "USDC",
      "decimals": 6,
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      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "issuer": null,
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  "quality": "not_evaluated",
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  "service_id": "89a60ee58786a4e0968119b5beab21a20b75d13d1751249a2f25884a620d6bd6",
  "source": "cdp-bazaar",
  "source_updated_at": "2026-09-11T18:50:08.205Z",
  "url": "https://api.kadec0.xyz/v1/congress-trades",
  "usage_rights": "not_reviewed"
}
api.kadec0.xyzReal-time earthquake feed. Recent seismic events from USGS with magnitude, location, depth, and tsunami flag, filterable by magnitude, time, and radius.
https://api.kadec0.xyz/v1/usgs-quakes
NetworkAdvertised amountBillingPayee
eip155:84530.005 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
Source and evidence
{
  "description": "Real-time earthquake feed. Recent seismic events from USGS with magnitude, location, depth, and tsunami flag, filterable by magnitude, time, and radius.",
  "domain": "api.kadec0.xyz",
  "evidence_mode": "raw",
  "extension_names": [
    "bazaar"
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              },
              "latitude": {
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                "type": "string"
              },
              "limit": {
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                "type": "string"
              },
              "longitude": {
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              },
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              },
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                "type": "string"
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  "offers": [
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      "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,
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      "pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
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  "source_updated_at": "2026-09-08T16:54:48.084Z",
  "url": "https://api.kadec0.xyz/v1/usgs-quakes",
  "usage_rights": "not_reviewed"
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api.kadec0.xyzEthereum gas price oracle. Returns the current Ethereum gas price as an EIP-1559 base fee plus priority-fee estimates across five confidence tiers, all in gwei, so an agent can price a transaction before it signs one. Ethereum mainnet only. Keyless, via Blocknative.
https://api.kadec0.xyz/v1/gas-oracle
NetworkAdvertised amountBillingPayee
eip155:84530.01 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913Not specifiedexact0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
Source and evidence
{
  "description": "Ethereum gas price oracle. Returns the current Ethereum gas price as an EIP-1559 base fee plus priority-fee estimates across five confidence tiers, all in gwei, so an agent can price a transaction before it signs one. Ethereum mainnet only. Keyless, via Blocknative.",
  "domain": "api.kadec0.xyz",
  "evidence_mode": "raw",
  "extension_names": [
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  "legacy_network": null,
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  "metadata": null,
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  "observed_at": 1789165815.545,
  "offers": [
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      "billing_unit": null,
      "billing_unit_basis": "commercial_terms_not_validated",
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api.kadec0.xyzScrape any web page to clean markdown. A keyless web scraper that converts a single URL into LLM-ready markdown plus structured metadata (title, headings, links, word count), so an agent can read a page without running a browser. A per-call alternative to Firecrawl's scrape endpoint, with no API key and no account. Single page per call, not a site crawler.
https://api.kadec0.xyz/v1/scrape
NetworkAdvertised amountBillingPayee
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Source and evidence
{
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api.kadec0.xyzLiterature review and related-paper discovery. Given a seed paper (arXiv id, DOI, or OpenAlex id) or a topic query, returns semantically similar and recommended scholarly papers to expand a reading list or systematic review, via Semantic Scholar recommendations with an OpenAlex related-works fallback. Keyless.
https://api.kadec0.xyz/v1/related-papers
NetworkAdvertised amountBillingPayee
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Source and evidence
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            ],
            "properties": {
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        "version": "2"
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api.kadec0.xyzCVE vulnerability lookup. Returns security vulnerability records by CVE id or keyword from the NIST National Vulnerability Database and GitHub Security Advisories, each with CVSS score, severity, CWE weakness class, affected products, and references, filterable by severity and source. For vulnerability triage and dependency risk checks. Keyless.
https://api.kadec0.xyz/v1/cve
NetworkAdvertised amountBillingPayee
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Source and evidence
{
  "description": "CVE vulnerability lookup. Returns security vulnerability records by CVE id or keyword from the NIST National Vulnerability Database and GitHub Security Advisories, each with CVSS score, severity, CWE weakness class, affected products, and references, filterable by severity and source. For vulnerability triage and dependency risk checks. Keyless.",
  "domain": "api.kadec0.xyz",
  "evidence_mode": "raw",
  "extension_names": [
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      "currency": "USDC",
      "decimals": 6,
      "decimals_basis": "known_token_mapping",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "issuer": null,
      "network": "eip155:8453",
      "pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
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  "quality": "not_evaluated",
  "run_id": "382b8312647110a124aca29eee9bbd2fa92a6158a6332bbbf5fb56d005fc177c",
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  "service_id": "9d0d3f864d45a94fbcf90afa133a2d1976e5ba26e7414e3318c2ecda91fd7abf",
  "source": "cdp-bazaar",
  "source_updated_at": "2026-09-11T18:14:06.584Z",
  "url": "https://api.kadec0.xyz/v1/cve",
  "usage_rights": "not_reviewed"
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api.kadec0.xyzStack Overflow Q&A. Programming question and answer search with scores, accepted-answer flags, tags, and answer bodies via the Stack Exchange API.
https://api.kadec0.xyz/v1/stackoverflow
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Source and evidence
{
  "description": "Stack Overflow Q&A. Programming question and answer search with scores, accepted-answer flags, tags, and answer bodies via the Stack Exchange API.",
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  "url": "https://api.kadec0.xyz/v1/stackoverflow",
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api.kadec0.xyzDNS propagation checker. Compares a DNS record across public resolvers (Google, Cloudflare, Quad9, OpenDNS) to spot propagation lag or split-horizon answers.
https://api.kadec0.xyz/v1/dns-propagation
NetworkAdvertised amountBillingPayee
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Source and evidence
{
  "description": "DNS propagation checker. Compares a DNS record across public resolvers (Google, Cloudflare, Quad9, OpenDNS) to spot propagation lag or split-horizon answers.",
  "domain": "api.kadec0.xyz",
  "evidence_mode": "raw",
  "extension_names": [
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                  "CNAME",
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        "name": "USD Coin",
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api.kadec0.xyzWeb search results (SERP). Keyless web search returning ranked title, URL, and snippet for a query — with locale/region targeting, freshness filters (past day, week, month, year), pagination, a news mode that adds publish date and source, and selectable backend engine (auto rotation, or pin Brave, Yahoo, or Yandex).
https://api.kadec0.xyz/v1/serp
NetworkAdvertised amountBillingPayee
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Source and evidence
{
  "description": "Web search results (SERP). Keyless web search returning ranked title, URL, and snippet for a query — with locale/region targeting, freshness filters (past day, week, month, year), pagination, a news mode that adds publish date and source, and selectable backend engine (auto rotation, or pin Brave, Yahoo, or Yandex).",
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                "type": "string"
              },
              "mode": {
                "default": "web",
                "description": "web results or recent news (news adds date+source per item). the news index is narrow, so a long or highly specific news query that matches nothing falls through to web rather than returning empty; those items carry requestedMode=news and servedBy=web",
                "enum": [
                  "web",
                  "news"
                ],
                "type": "string"
              },
              "num_results": {
                "default": "10",
                "description": "max results, cap 25",
                "type": "string"
              },
              "page": {
                "default": "1",
                "description": "result page (pagination)",
                "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": 1789165815.545,
  "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": "382b8312647110a124aca29eee9bbd2fa92a6158a6332bbbf5fb56d005fc177c",
  "schema_fingerprint": "9052a574cd34e41bca14ea2274ee8ce68b7d1974679c5a6c1b1c4bc66eeabdb7",
  "service_id": "aa90bdba42731620ec5264a83100b50750c87b4a4096cbdbd6c8fe642c6569e6",
  "source": "cdp-bazaar",
  "source_updated_at": "2026-09-11T08:29:21.742Z",
  "url": "https://api.kadec0.xyz/v1/serp",
  "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 integration
Collection 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.

1,515 historical or current source records quarantined during normalization; they are excluded from public comparisons.

46 of 46 archive objects verified in Backblaze. Last verification: Sep 13, 2026, 01:13 UTC.

Collection status JSON