Evidence row 25670

Observed 26 Oct 2026, 14:35 UTC, by sync.agentic_market/1.

Kind: listing
About: source_record agentic_market:api-spendpreflight-com
Recorded: 26 Oct 2026, 14:35 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: f3abc6b292dc2befa7350902997a7394d8180012954397668d896b2013331aa7
Leaf: 0xa06b0abd050f16b0742a5382392cce914059f002832da57f19c4e347ff08c903

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.spendpreflight.com/listing-guard"
    ],
    [
      "x402",
      "https://api.spendpreflight.com/v1/preflight"
    ]
  ],
  "name": "api.spendpreflight.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "api.spendpreflight.com",
    "endpoints": [
      {
        "description": "Bazaar Listing Guard: CDP technical validation plus a bounded heuristic metadata screen for agent-directed instructions, embedded URLs, tool calls, invisible Unicode, long fields and prices above 100x a fresh Scout category median. Returns riskScore, flagged spans and rewrite suggestions. Not Coinbase policy certification or guaranteed detection. Public HTTPS only; no target payment or request bodies stored.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "GET",
            "group": "body",
            "name": "method",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://api.spendpreflight.com/v1/check",
            "group": "body",
            "name": "url",
            "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://api.spendpreflight.com/listing-guard"
      },
      {
        "description": "Spend preflight for AI agents. Send the x402 PaymentRequired body (v1 or v2) you received, or a cart, plus optional rules (per-payment max, hold threshold, daily cap, allowlists, new-domain days, endpoint category price multiple, liveness and payTo changes). Returns allow|hold|block with reasons, the cheapest acceptable payment option, and a receipt id. Read-only: never signs, settles, or holds funds. Use before every payment.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "challenge",
            "required": false,
            "type": "object"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "context",
            "required": false,
            "type": "object"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "rules",
            "required": false,
            "type": "object"
          }
        ],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "SpendPreflight",
        "tags": [
          "agent-payments",
          "x402",
          "spend-control",
          "preflight",
          "budget"
        ],
        "url": "https://api.spendpreflight.com/v1/preflight"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "api-spendpreflight-com",
    "integrationType": "",
    "isNew": false,
    "name": "api.spendpreflight.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.035",
      "currency": "USDC",
      "maxAmount": "0.05",
      "minAmount": "0.02"
    },
    "provider": "api.spendpreflight.com",
    "providerUrl": "",
    "serviceName": "SpendPreflight",
    "tags": [
      "agent-payments",
      "x402",
      "spend-control",
      "preflight",
      "budget"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"f3abc6b292dc2befa7350902997a7394d8180012954397668d896b2013331aa7","id":25670,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793025355035152,"prev":null,"subject":"agentic_market:api-spendpreflight-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

0xa06ad7517202d860e096e5277f4c7d267acec96173da99c7639f045178dc6e47
0x9e930e6200a77bab5788d84c22a2b421ba68652c177e5a9c31df3677aa61ac1b
0xa4c9654859c4c5b2d27f98da8579960ca397d725143a8ea0f607da7b7b32b9da
0x094ca345c5ee276ec3b0f0ef2ce717bb41d9de0244a808bb6d489e28fc10ad28
0x881e61b877242aac040465f1b98fc613ba051bd8f7f1e0268f08c8081690f971
0x0f690f01f3949d76624cb9026d637561a2c2a67451711239e6fc799dcdaf96c0
0x922b2344b89cc6fabf2718fdc9b08a2de34efb07a66129e121d46ec32fbc3674
0x7a3e5a57156daa8a5bdcbb3c67e984e566630159e2e2cfc6c98cb1b011a0f757
0xda7e6b11ad875d9578ebf178b07e3d637c6668f8f13841741ca3c5cf2851f2e9
0xfc1c15deb00c4c3458cd5fe1ee472da303593b7fe5af49038ad8aa811e480c14
0x201e001c6e19ae71acc15269442af8d1874e41df9926feb22cbf8a2b7fd3180b
0x6367dad81ab5c2e6f424ad3e06310c9b75079293d62a08dfbde98ef993c35229
0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON