← The evidence ledger
Evidence row 272109
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.fastaf.co/x402/v1/search
- Recorded
- Previous row
- #51421
- Body SHA-256
- 7522c51086afdcd843fb1598a4058d5bbc8b9ea8bdbcaaa03d40504f7f84ea04
- Leaf
- 0xae8491f87ea067080e573cb96f637b5a46fff7bcdf3067fa41583274a19b466a
What was observed
{
"endpoints": [
[
"x402",
"https://api.fastaf.co/x402/v1/search"
]
],
"name": "FastAF",
"owner_address": "0x05b75e13f071a09a26b50a18ce5bd02a0755d76f",
"raw": {
"accepts": [
{
"amount": "2000",
"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: $0.002000 USDC per successful call.",
"extensions": {
"bazaar": {
"info": {
"docsUrl": "https://fastaf.co/apis/google-serp-api/",
"homepage": "https://fastaf.co",
"input": {
"method": "GET",
"queryParams": {
"country": "us",
"language": "en",
"query": "best espresso machine for home"
},
"type": "http"
},
"openApiUrl": "https://api.fastaf.co/openapi.json",
"output": {
"example": {
"organic_results": [
{
"link": "https://example.com/guides/espresso-machines",
"position": 1,
"snippet": "Compare compact espresso machines by pressure, grinder and milk-steaming features.",
"title": "Best espresso machines for home brewing"
}
],
"search_information": {
"query_displayed": "best espresso machine for home"
}
},
"type": "json"
},
"website": "https://fastaf.co"
},
"metadata": {
"provider": {
"description": "FastAF: Web data for AI agents, pay per call in USDC via x402, no account: Google search, Maps, News, Shopping, Scholar, Jobs, AI Mode, Amazon, eBay, Walmart, Zillow, YouTube transcripts, public LinkedIn/X profiles, scraping and screenshots.",
"docsUrl": "https://fastaf.co/apis/google-serp-api/",
"homepage": "https://fastaf.co",
"name": "FastAF",
"openApiUrl": "https://api.fastaf.co/openapi.json",
"website": "https://fastaf.co"
}
},
"routeTemplate": "/x402/v1/serp",
"schema": {
"$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.",
"type": "boolean"
},
"country": {
"description": "Two-letter search country code, e.g. us, uk or fr; default us. Localizes results, not a scrape proxy selection.",
"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).",
"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.",
"type": "boolean"
},
"domain": {
"description": "Google host to search, e.g. google.com or google.co.uk; default google.com.",
"maxLength": 8192,
"type": "string"
},
"filter": {
"description": "Duplicate/omitted-result filtering: string 1 enables it (default); 0 includes similar and normally omitted results.",
"maxLength": 8192,
"type": "string"
},
"html": {
"description": "Return raw source HTML instead of parsed JSON when true; true/false, default false.",
"type": "boolean"
},
"ibp": {
"description": "Google layout/expansion expression, e.g. gwp;0,7 for a ludocid lookup. Omitted: standard results layout.",
"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.",
"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.",
"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.",
"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.",
"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.",
"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.",
"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.",
"type": "boolean"
},
"nfpr": {
"description": "Spelling correction: string 1 excludes automatically corrected queries; 0 allows them (default 0).",
"maxLength": 8192,
"type": "string"
},
"page": {
"description": "Zero-based Google results page, integer 0-100; default 0. Each page is a separate request.",
"minimum": 0,
"type": "integer"
},
"query": {
"description": "Required Google search text; supports operators such as site:example.com and intitle:coffee. No default.",
"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.",
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"safe": {
"description": "Adult-content filter: active enables SafeSearch; off disables it (default off).",
"maxLength": 8192,
"type": "string"
},
"si": {
"description": "Opaque Google cached-search/knowledge-panel tab token; may override other filters except page/results. No default.",
"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.",
"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.",
"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.",
"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": "2026-10-26T17:30:35.057Z",
"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: $0.002000 USDC per successful call."
}What the leaf hashes
{"body":"7522c51086afdcd843fb1598a4058d5bbc8b9ea8bdbcaaa03d40504f7f84ea04","id":272109,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793038727508548,"prev":51421,"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).
- 0xae84a9523f539c8829570a74a1b6f9d32b3e6e0b962af147c72a71f66b730349
- 0xab7a38a27d2051e3ec1e3df3918041e5868991ca410894c7732f818a10ace2dc
- 0x7380b6e8fdfbfb7fe25406500945c495a79d0cc70c9e3d56506d7d9a41df7dad
- 0xbbb93efb4b4515c4654f58e4002cc923403a28f9f24d8a0ef938a73b73320c5c
- 0x1502990752bb642ede4c74602de4631e8a2bb4cb198b1f1f0f0d25d2a503ed86
- 0xd21395c3e522901e7ee15358104371ef6d59b05e02357998cd16a245290bbdab
- 0x0b52ad75ebc6548eff785442764e90ba17d10770b47cd8f82e2cf6e3a06e4b8f
- 0xa6cdf846f6205ff5adb5880555ead55889d242fae065fffd37912126edee87cf
- 0x0842d8c43250cebd4530846eeaffcf2aa2299fb599d085da998ee4163e96d607
- 0xc5e28a96a833c7f6f25661bd128ed0a3708d099cd3594f653200c1fee17d99d4
- 0x3ed84d9e7fe1a3a53a5614d97b48e393d726ca06109e83696375afe5ad01fd8f
- 0x51f06c175a7c946ebe50ef243d6f9370a8fe85c996e53eff19ffcc4585ea8c18
- 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
- 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
- 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae