addrbookFor publishers
← The evidence ledger

Evidence row 4110

Observed , by baseline/1.

Kind
listing
About
source_record agentic_market:vendsdk-com
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3aecec1fc6015ce91363ccd4ac17e057ab7c609199c94ffd7afdf7103dbecb1f
Leaf
0xd48b8a4c5875b5233ad91748a6278b45f1839e62c1bf5667697777e73bd52162

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://vendsdk.com/api/v/base-balance"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/bundle-infra"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/bundle-outbound"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/crypto-prices"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/dns-records"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/dns-resolve"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/domain-intel"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/email-validate"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/fetch-text"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/fx-rate"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/http-get"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/http-head"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/ip-lookup"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/kronos-forecast"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/qr-code"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/redirect-trace"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/tls-cert"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/weather"
    ],
    [
      "x402",
      "https://vendsdk.com/api/v/whois-lite"
    ]
  ],
  "name": "vendsdk.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "vendsdk.com",
    "endpoints": [
      {
        "description": "Live Base mainnet ETH and USDC balances for an address — treasury and agent wallet checks",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "0xc648116b5deBE4AF7D78838AA468d07e0A9Ab697",
            "group": "query",
            "name": "address",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/base-balance"
      },
      {
        "description": "Single payment bundle: DNS A/AAAA, HTTP HEAD probe, and TLS certificate peek for agent infra workflows",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example.com",
            "group": "query",
            "name": "host",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/bundle-infra"
      },
      {
        "description": "One payment for lead-gen and fraud agents: email format/MX, IP geolocation, and SSRF-safe HTTP HEAD",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "test@gmail.com",
            "group": "query",
            "name": "email",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "8.8.8.8",
            "group": "query",
            "name": "ip",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/bundle-outbound"
      },
      {
        "description": "Live USD spot prices for crypto assets via CoinGecko simple price API",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "bitcoin,ethereum",
            "group": "query",
            "name": "ids",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/crypto-prices"
      },
      {
        "description": "Resolve multiple DNS record types (A, AAAA, MX, TXT, NS, CNAME) in one call via DoH for deliverability and security agents",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example.com",
            "group": "query",
            "name": "host",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "A,MX,TXT",
            "group": "query",
            "name": "types",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/dns-records"
      },
      {
        "description": "Resolve A and AAAA records for a public hostname via DNS-over-HTTPS (60s cache)",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example.com",
            "group": "query",
            "name": "host",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/dns-resolve"
      },
      {
        "description": "One payment: DNS + TLS cert + RDAP WHOIS + HTTP HEAD for brand protection and security agents",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example.com",
            "group": "query",
            "name": "host",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.015",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/domain-intel"
      },
      {
        "description": "Validate email format, disposable-domain heuristics, and live DNS MX records via DoH for outreach and lead-gen agents",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "test@gmail.com",
            "group": "query",
            "name": "email",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/email-validate"
      },
      {
        "description": "Fetch a public page and return plain text (HTML stripped) for research, RAG, and summarization agents",
        "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": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/fetch-text"
      },
      {
        "description": "Live fiat FX rates (Frankfurter/ECB primary, open.er-api fallback) for cross-border agents",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "USD",
            "group": "query",
            "name": "base",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "EUR,GBP",
            "group": "query",
            "name": "symbols",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/fx-rate"
      },
      {
        "description": "SSRF-safe public GET with status, headers, and size-capped JSON/text body for agent tool use",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://httpbin.org/json",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/http-get"
      },
      {
        "description": "Public URL status, latency, and response header subset for uptime and health agents",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "6",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/http-head"
      },
      {
        "description": "Live IP geolocation: country, city, org, and ASN for fraud and routing agents",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "8.8.8.8",
            "group": "query",
            "name": "ip",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/ip-lookup"
      },
      {
        "description": "Research OHLCV candle forecast via Kronos-mini (financial K-line foundation model). Not financial advice. Symbols BTCUSDT/ETHUSDT",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "1h",
            "group": "query",
            "name": "interval",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "64",
            "group": "query",
            "name": "lookback",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "6",
            "group": "query",
            "name": "pred_len",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "BTCUSDT",
            "group": "query",
            "name": "symbol",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.05",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/kronos-forecast"
      },
      {
        "description": "Generate a PNG QR code URL for payment and onboarding payloads (upstream probed live)",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://x402.org",
            "group": "query",
            "name": "data",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "256",
            "group": "query",
            "name": "size",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/qr-code"
      },
      {
        "description": "Follow a public redirect chain with per-hop HTTP status (SSRF-safe) for security agents",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://httpbin.org/redirect/1",
            "group": "query",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/redirect-trace"
      },
      {
        "description": "TLS peer certificate subject, issuer, expiry, and authorization status for a public host",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example.com",
            "group": "query",
            "name": "host",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/tls-cert"
      },
      {
        "description": "Current temperature and wind for a city from Open-Meteo (live forecast data)",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Berlin",
            "group": "query",
            "name": "city",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.003",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/weather"
      },
      {
        "description": "Domain registration status, registrar, dates, and nameservers via RDAP (lite fields only)",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example.com",
            "group": "query",
            "name": "domain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.008",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://vendsdk.com/api/v/whois-lite"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "vendsdk-com",
    "integrationType": "",
    "isNew": false,
    "name": "vendsdk.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.007421",
      "currency": "USDC",
      "maxAmount": "0.05",
      "minAmount": "0.002"
    },
    "provider": "vendsdk.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"3aecec1fc6015ce91363ccd4ac17e057ab7c609199c94ffd7afdf7103dbecb1f","id":4110,"kind":"listing","method":"baseline/1","observed_us":1793025277175108,"prev":null,"subject":"agentic_market:vendsdk-com","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. 0xd48b87ce0cdd48067769b7316c4df0773303e4e722d8fc5b7a96820d26d25e38
  2. 0xf84a9fb7d6d8dfa9f0fa168141ba0f6b0469e8795b92ccfa1d601885ad362ef6
  3. 0x78188695a6077e51f5bb67fc6d04bfcf4daeba67ec53890a88b01c8cf1f3a134
  4. 0xcaf95940e6cb6ab619df48322130e6324ae5fcec199a17e91585d1c345690915
  5. 0x0d6a1b81876359026b826fc3642b73b6307a0dc2d8484735a527ab32ff28c133
  6. 0x8a8c32780d727ba35ad95cc397ccb145b8356efc9f69faf831c193b8d2057584
  7. 0x6ef0b2ec7ac9d5a7e14a619c652c72d2fe8abcd6669b18c756a72fcc72f1e804
  8. 0x8d5626913545956ef91138e57802adfd8c92703817743e50d4279dfc80d1a934
  9. 0x950e71a3f1d793f64de204e2ffd6528faf6ebe1fd4463a16429f7f0525ca7ec0
  10. 0xbf2ea8422e4d4634187236ad26741d988ab947590ee32bccf49379c5b69d0711
  11. 0x13af2618b202e3256bff92107d30a646eb897d2992ea1f3e08e75bf4bef84c31
  12. 0x7026808261896a203198354548e5e8cabce4a06e89d077c172084841b47ae119
  13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
  14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
  15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
  16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON