← The evidence ledger
Evidence row 51421
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.fastaf.co/x402/v1/search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 549f62bdc94139d0dc7fcf2f42bab4ed73159624b2737480792f523ec2f61253
- Leaf
- 0x6e5ce72a2c7b640224533713452894fc6e30a8d7b66f5956c2bb1a844db56b51
What was observed
{
"endpoints": [
[
"x402",
"https://api.fastaf.co/x402/v1/search"
]
],
"name": "FastAF",
"owner_address": "0x05b75e13f071a09a26b50a18ce5bd02a0755d76f",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x05B75e13f071A09A26B50a18Ce5BD02a0755d76F",
"scheme": "exact"
}
],
"description": "Web search API for AI agents: ranked results as JSON (title, url, snippet) with positions. Supports keyword search, country and language targeting for source discovery, fact-finding and research. Provided by Web search. Price: $0.003000 USDC per successful call. Promo through 2026-11-09 inclusive; then $0.005 (manual price restoration). Prepaid credit costs are unchanged.",
"extensions": {
"bazaar": {
"info": {
"docsUrl": "https://fastaf.co/apis/google-serp-api/",
"homepage": "https://fastaf.co",
"input": {
"method": "GET",
"queryParams": {
"country": "us",
"language": "en",
"query": "best espresso machine for home"
},
"type": "http"
},
"openApiUrl": "https://api.fastaf.co/openapi.json",
"output": {
"example": {
"organic_results": [
{
"link": "https://example.com/guides/espresso-machines",
"position": 1,
"snippet": "Compare compact espresso machines by pressure, grinder and milk-steaming features.",
"title": "Best espresso machines for home brewing"
}
],
"search_information": {
"query_displayed": "best espresso machine for home"
}
},
"type": "json"
},
"website": "https://fastaf.co"
},
"metadata": {
"provider": {
"description": "FastAF: Web data for AI agents, pay per call in USDC via x402, no account: Google search, Maps, News, Shopping, Scholar, Jobs, AI Mode, Amazon, eBay, Walmart, Zillow, YouTube transcripts, public LinkedIn/X profiles, scraping and screenshots.",
"docsUrl": "https://fastaf.co/apis/google-serp-api/",
"homepage": "https://fastaf.co",
"name": "FastAF",
"openApiUrl": "https://api.fastaf.co/openapi.json",
"website": "https://fastaf.co"
}
},
"routeTemplate": "/x402/v1/serp",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"description": "Web search API for AI agents: ranked results as JSON (title, url, snippet) with positions. Supports keyword search, country and language targeting for source discovery, fact-finding and research.",
"properties": {
"docsUrl": {
"format": "uri",
"type": "string"
},
"homepage": {
"format": "uri",
"type": "string"
},
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"description": "Keyword web search with country and language targeting; query is required.",
"examples": [
{
"country": "us",
"language": "en",
"query": "best espresso machine for home"
}
],
"properties": {
"advance_search": {
"description": "Include advanced Google result features/snippets when true; true/false, default false. False: 5 credits; true: 10 credits per request.",
"type": "boolean"
},
"country": {
"description": "Two-letter search country code, e.g. us, uk or fr; default us. Localizes results, not a scrape proxy selection. No additional credits; 5 per request, or 10 with advance_search=true.",
"examples": [
"us"
],
"maxLength": 8192,
"type": "string"
},
"cr": {
"description": "Restrict documents by country: countryFR or countryFR|countryDE. Omitted: no explicit country restriction (unlike country, which localizes the search). No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"deep_scrape": {
"description": "Fetch content from organic-result destination pages as well as the SERP; true/false, default false. Use with advance_search=false; no FastAF surcharge. No additional credits; 5 per request, or 10 with advance_search=true.",
"type": "boolean"
},
"domain": {
"description": "Google host to search, e.g. google.com or google.co.uk; default google.com. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"filter": {
"description": "Duplicate/omitted-result filtering: string 1 enables it (default); 0 includes similar and normally omitted results. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"html": {
"description": "Return raw source HTML instead of parsed JSON when true; true/false, default false. No additional credits; 5 per request, or 10 with advance_search=true.",
"type": "boolean"
},
"ibp": {
"description": "Google layout/expansion expression, e.g. gwp;0,7 for a ludocid lookup. Omitted: standard results layout. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"kgmid": {
"description": "Google Knowledge Graph entity ID, e.g. /m/09c7w0; may override other search filters except page/results. No default. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"language": {
"description": "Result/interface language code, e.g. en, es, fr or de; default en. Use lr, where supported, to restrict document languages. No additional credits; 5 per request, or 10 with advance_search=true.",
"examples": [
"en"
],
"maxLength": 8192,
"type": "string"
},
"location": {
"description": "City-level search origin, e.g. Austin, Texas, United States; omit for source-default location. Cannot be combined with uule. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"lr": {
"description": "Document-language filter: lang_en or a pipe-separated list such as lang_en|lang_fr. Omitted: no explicit language restriction. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"lsig": {
"description": "Opaque Google local-listing signature used with a business/knowledge-panel lookup; copy from a Google URL. No default. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"ludocid": {
"description": "Google business listing CID as a decimal string, copied from a Google local result. Omitted: no specific business selected. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"mob_search": {
"description": "Request mobile rather than desktop Google results; true/false, default false. FastAF does not add a mobile surcharge. No additional credits; 5 per request, or 10 with advance_search=true.",
"type": "boolean"
},
"nfpr": {
"description": "Spelling correction: string 1 excludes automatically corrected queries; 0 allows them (default 0). No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"page": {
"description": "Zero-based Google results page, integer 0-100; default 0. Each page is a separate request. No additional credits; 5 per request, or 10 with advance_search=true.",
"minimum": 0,
"type": "integer"
},
"query": {
"description": "Required Google search text; supports operators such as site:example.com and intitle:coffee. No default. No additional credits; 5 per request, or 10 with advance_search=true.",
"examples": [
"best espresso machine for home"
],
"maxLength": 8192,
"type": "string"
},
"results": {
"description": "Maximum results retained by FastAF, integer 1-100. Omit for the full returned page. Google supplies up to 10 per page; use page for more, not a larger results value. No additional credits; 5 per request, or 10 with advance_search=true.",
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"safe": {
"description": "Adult-content filter: active enables SafeSearch; off disables it (default off). No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"si": {
"description": "Opaque Google cached-search/knowledge-panel tab token; may override other filters except page/results. No default. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"tbs": {
"description": "Google filter expression, e.g. qdr:d for the past day or qdr:w for the past week. Omitted: no explicit time/advanced filter. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"uds": {
"description": "Opaque Google results-filter token copied from a Google search URL. Omitted: no extra token filter; do not invent a token. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
},
"uule": {
"description": "Google's encoded geographic search token, copied from a Google URL. Omit for no explicit token; do not combine with location where supported. No additional credits; 5 per request, or 10 with advance_search=true.",
"maxLength": 8192,
"type": "string"
}
},
"required": [
"query"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"openApiUrl": {
"format": "uri",
"type": "string"
},
"output": {
"properties": {
"example": {
"additionalProperties": true,
"description": "Google SERP JSON. organic_results contains ranked title, link and snippet fields; search_information describes the query. Other Google result blocks may also appear.",
"properties": {
"organic_results": {
"items": {
"additionalProperties": true,
"properties": {
"link": {
"type": "string"
},
"position": {
"type": "number"
},
"snippet": {
"type": "string"
},
"title": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"search_information": {
"additionalProperties": true,
"properties": {
"query_displayed": {
"type": "string"
}
},
"type": "object"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
},
"website": {
"format": "uri",
"type": "string"
}
},
"required": [
"input"
],
"title": "Web search",
"type": "object",
"x-tool-slug": "web_search"
}
}
},
"lastUpdated": "2026-10-26T10:29:07.48Z",
"quality": {
"l30DaysTotalCalls": 0,
"l30DaysUniquePayers": 0,
"lastCalledAt": "2026-10-26T03:39:37.341Z"
},
"resource": "https://api.fastaf.co/x402/v1/search",
"serviceName": "FastAF",
"tags": [
"data",
"scraping",
"web-data",
"api",
"agents"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Web search API for AI agents: ranked results as JSON (title, url, snippet) with positions. Supports keyword search, country and language targeting for source discovery, fact-finding and research. Provided by Web search. Price: $0.003000 USDC per successful call. Promo through 2026-11-09 inclusive; then $0.005 (manual price restoration). Prepaid credit costs are unchanged."
}What the leaf hashes
{"body":"549f62bdc94139d0dc7fcf2f42bab4ed73159624b2737480792f523ec2f61253","id":51421,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025417434895,"prev":null,"subject":"x402_bazaar:https://api.fastaf.co/x402/v1/search","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x6e5cfac219c9fcd1a15474b221ba961fd3099ab0b759f77fc7ee7336d29761ba
- 0xd054a6377bc23aa375112b1ec1afdfe3f64d506e2e681e336d8b3aa1470cb6f0
- 0x818fc3e35da63c59a3f003b27ed81867eb0e86ee44a9266e905ca32be6fe892d
- 0x636e126251e57cde526d091a5ca44e2a38b3b92bbfb9796eae06a3534c23ffc5
- 0x48768dfc3953cc726d0b937df9548e9b420de9a96bf789973a73787cf92825e7
- 0xeeb0aa94aaa8e41253d0a6c3526ccd6dc177d099b5b744bf757349c0a20978bf
- 0x940951790e77ec3dc0778e9d52fcab7554aae4b94def7435f6b3f8e9b815c70f
- 0xc6ec6f8442cee646d73855f0d46a7def612f9e4d1ce74d0f13ca05a0307e1e24
- 0x027bacb03f66fd117cebcfa0c93fcbed349f8cd34d7ca4b62a1550f1b51d83c1
- 0xaee08b0a7fe6600aebc470a11e9a419553ea293db9d18d86b66fe6794f3e5b55
- 0x3167834b22bda59442a4af0440d698d3a42612c3d6ce4e293e0fa97975320c38
- 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
- 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
- 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae