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Evidence row 892

Observed , by baseline/1.

Kind
listing
About
source_record agentic_market:api-fastaf-co
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
71660899a4d02bfe6a8b6d6feec197d5c3ade2523eeac3748d33669f877c2611
Leaf
0x117227d6b0cd8b176cf0ed9db07830bead35d505f4dba310852b65e710be2a07

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.fastaf.co/x402/v1/ai"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/amazon"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/ebay"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/jobs"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/linkedin"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/maps"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/news"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/scholar"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/scrape"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/screenshot"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/shopping"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/walmart"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/x"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/youtube"
    ],
    [
      "x402",
      "https://api.fastaf.co/x402/v1/zillow"
    ]
  ],
  "name": "api.fastaf.co",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "api.fastaf.co",
    "endpoints": [
      {
        "description": "FastAF Google AI Answers: Use when you want a synthesized answer to a question with cited sources rather than a link list. Returns Google AI Mode answer as JSON text blocks with cited links; empty answers are not charged. Price: $0.010000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "how do x402 payments work",
            "group": "query",
            "name": "query",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "ai",
          "google",
          "answer",
          "search"
        ],
        "url": "https://api.fastaf.co/x402/v1/ai"
      },
      {
        "description": "FastAF Amazon Product Data: Use when you need Amazon product data: keyword search, product details by ASIN, offers or bestsellers on any Amazon domain. Returns JSON with titles, prices, ratings and availability. Price: $0.001000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "B07FZ8S74R",
            "group": "query",
            "name": "asin",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "com",
            "group": "query",
            "name": "domain",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "product",
            "group": "query",
            "name": "resource",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "ecommerce",
          "amazon",
          "products",
          "prices"
        ],
        "url": "https://api.fastaf.co/x402/v1/amazon"
      },
      {
        "description": "FastAF eBay Listings & Item Data: Use when you need eBay listings or one item; pass an eBay search or item URL (any domain; prefer this over scrape). Returns JSON title, price, condition, seller, shipping and link. Price: $0.005000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://www.ebay.com/sch/i.html?_nkw=mechanical+keyboard",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "ecommerce",
          "ebay",
          "prices",
          "marketplace"
        ],
        "url": "https://api.fastaf.co/x402/v1/ebay"
      },
      {
        "description": "FastAF Google Jobs Search: Use when you need current job openings for a role, company or location. Returns JSON Google Jobs listings with role, company, location, posting date and apply links. Price: $0.005000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "product manager jobs new york",
            "group": "query",
            "name": "query",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "jobs",
          "google",
          "hiring"
        ],
        "url": "https://api.fastaf.co/x402/v1/jobs"
      },
      {
        "description": "FastAF LinkedIn Public Profiles: Use when you need a person's public LinkedIn profile from a profile id/slug (lead research, identity check). Returns JSON name, headline, location and summary; public data only. Price: $0.060000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "williamhgates",
            "group": "query",
            "name": "id",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "profile",
            "group": "query",
            "name": "type",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.06",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "social",
          "linkedin",
          "people",
          "profile",
          "enrichment"
        ],
        "url": "https://api.fastaf.co/x402/v1/linkedin"
      },
      {
        "description": "FastAF Google Maps & Places: Use when you need local businesses or places (find X near Y, ratings, addresses) or one place by place_id. Returns JSON places with name, address, rating, review count and place_id. Price: $0.005000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "coffee near Times Square",
            "group": "query",
            "name": "query",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "maps",
          "google",
          "places",
          "local"
        ],
        "url": "https://api.fastaf.co/x402/v1/maps"
      },
      {
        "description": "FastAF Google News Search: Use when you need recent news coverage on a topic, company or person. Returns JSON Google News results with title, source, date, link and snippet. Price: $0.005000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "web scraping regulation",
            "group": "query",
            "name": "query",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "news",
          "google",
          "search"
        ],
        "url": "https://api.fastaf.co/x402/v1/news"
      },
      {
        "description": "FastAF Google Scholar Search: Use when you need academic papers or citations on a topic. Returns JSON Google Scholar results with title, authors, publication, year, citation count and link. Price: $0.005000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "retrieval augmented generation",
            "group": "query",
            "name": "query",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "research",
          "scholar",
          "papers",
          "citations"
        ],
        "url": "https://api.fastaf.co/x402/v1/scholar"
      },
      {
        "description": "FastAF Web Scraping: Use when you have a URL and need its content: HTML, markdown, links, images, or an AI extraction/summary, with optional JavaScript rendering. Blocked, empty or incomplete results are not charged. Price: $0.005000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "markdown",
            "group": "query",
            "name": "formats",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "web-scraping",
          "scrape",
          "web",
          "markdown",
          "extraction"
        ],
        "url": "https://api.fastaf.co/x402/v1/scrape"
      },
      {
        "description": "FastAF Website Screenshots: Use when you need to see or archive how a web page looks. Returns a PNG (default) or other image format of the page, optionally full-page. Price: $0.005000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "screenshots",
          "screenshot",
          "web",
          "image"
        ],
        "url": "https://api.fastaf.co/x402/v1/screenshot"
      },
      {
        "description": "FastAF Google Shopping Search: Use when you need to compare product prices across merchants. Returns JSON Google Shopping results with title, price, merchant, rating and product link. Price: $0.010000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "running shoes",
            "group": "query",
            "name": "query",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "ecommerce",
          "shopping",
          "google",
          "prices"
        ],
        "url": "https://api.fastaf.co/x402/v1/shopping"
      },
      {
        "description": "FastAF Walmart Product Data: Use when you need Walmart product listings; pass a Walmart search URL. Returns JSON with product title, price, rating and availability. Price: $0.005000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://www.walmart.com/search?q=headphones",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "ecommerce",
          "walmart",
          "prices"
        ],
        "url": "https://api.fastaf.co/x402/v1/walmart"
      },
      {
        "description": "FastAF X Public Profiles: Use when you need a public X (Twitter) profile by username (audience size, bio check). Returns JSON name, bio, follower, following and post counts. Price: $0.005000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "nasa",
            "group": "query",
            "name": "profileId",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "social",
          "x",
          "twitter",
          "profile"
        ],
        "url": "https://api.fastaf.co/x402/v1/x"
      },
      {
        "description": "Use when you need what a YouTube video says (transcript by video id v) or to find videos (resource=search). Returns JSON transcript text or search results. Price: $0.001000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "jNQXAC9IVRw",
            "group": "query",
            "name": "v",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "FastAF",
        "tags": [
          "video",
          "youtube",
          "transcript",
          "search"
        ],
        "url": "https://api.fastaf.co/x402/v1/youtube"
      },
      {
        "description": "FastAF Zillow Property Listings: Use when you need US real-estate listings; pass a Zillow search URL (use this, not scrape, for Zillow). Returns JSON price, address, beds, baths, coordinates, Zestimate and listing link. Price: $0.005000 USDC per successful call.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://www.zillow.com/homes/Austin,-TX_rb/",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "FastAF",
        "tags": [
          "real-estate",
          "zillow",
          "listings"
        ],
        "url": "https://api.fastaf.co/x402/v1/zillow"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "api-fastaf-co",
    "integrationType": "",
    "isNew": false,
    "name": "api.fastaf.co",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.0088",
      "currency": "USDC",
      "maxAmount": "0.06",
      "minAmount": "0.001"
    },
    "provider": "api.fastaf.co",
    "providerUrl": "",
    "serviceName": "FastAF",
    "tags": [
      "ai",
      "google",
      "answer",
      "search",
      "ecommerce",
      "amazon",
      "products",
      "prices",
      "ebay",
      "marketplace",
      "jobs",
      "hiring",
      "social",
      "linkedin",
      "people",
      "profile",
      "enrichment",
      "maps",
      "places",
      "local",
      "news",
      "research",
      "scholar",
      "papers",
      "citations",
      "web-scraping",
      "scrape",
      "web",
      "markdown",
      "extraction",
      "screenshots",
      "screenshot",
      "image",
      "shopping",
      "walmart",
      "x",
      "twitter",
      "video",
      "youtube",
      "transcript",
      "real-estate",
      "zillow",
      "listings"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"71660899a4d02bfe6a8b6d6feec197d5c3ade2523eeac3748d33669f877c2611","id":892,"kind":"listing","method":"baseline/1","observed_us":1793025240832008,"prev":null,"subject":"agentic_market:api-fastaf-co","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).

  1. 0x1171ded51ce418c9627ec184f9fe7b50ed2abccf486f14cb38f0374df62b38b5
  2. 0x9959961502b86f1694dac4beb226c66dea9429d62ae4730934e9b0b711024c66
  3. 0x5f374ac4315c0f80c88642ff00c9020ccc66129b2760fab980ab9d21e7603ff2
  4. 0xcf6cf1b79e9aee9cfc54abdd2328ca5198ad35efcbef2b362fee18780815785d
  5. 0x645599c29b7a913a5f3c301f6ee6609681d285c43d464587a9edfc1f8e6e4f40
  6. 0x82738a07217e222aab5835063251b3a5c94e226943ebb37f6dd8a769144c99c8
  7. 0xaf5d1ed06d23ff7d6f773589afbc7fd84c13a0ae6f99ddf6c372b262b9ca9528
  8. 0x780a3576c7d927124c59b571e86801e4afb554c1c3d64fd257400fdee83c4eef
  9. 0x90c81e0dacb4c443b1a82c1637adcc6c98ae484d805a589fb55ce0f8f0af16c0
  10. 0x59eeaadc4738eed3343bd128dc8e9beeacada4d8b43799e35d914cb411b97394
  11. 0xb3d22f508aaf8117a0a5454390284c48363baa096e225b30af56d708d8dcd0b3
  12. 0xc02d9eff6ef94d46d90d54320548f18fc3f05787047265548577569253c19969
  13. 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
  14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
  15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON