← The evidence ledger
Evidence row 3968749
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://1gateway.dev/v1/x402/preflight
- Recorded
- Previous row
- #1508730
- Body SHA-256
- 66d6e69ef6987250b5b1e619e5acfa1e9210ba70ce6b0d55a4540cf9cc742cf4
- Leaf
- 0xbc6d0480f479b62192522e6515c5536fa7efee167f3bda8e9058b8650a4edf92
What was observed
{
"endpoints": [
[
"x402",
"https://1gateway.dev/v1/x402/preflight"
]
],
"name": "x402 Payment Preflight",
"owner_address": "0x6246eee0355dd7a93c888fe59e1151388a0cc5a1",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:143",
"payTo": "0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "AwV6UZobYPyTdsuNa2NknZZrnmmUoH5ckEv3wNgL26WT",
"scheme": "exact"
}
],
"description": "Use when an agent is about to pay an unknown x402 endpoint and needs a cheap safety gate. Input: url (https x402 resource), method, optional max_price_usd. Output: JSON verdict ALLOW/WARN/DENY with reasons: live quote now, price vs similar routes and your budget, payTo on the OFAC list, price change vs our last measurement, our 7-day uptime/p95, ERC-8004 registration. Never pays; cached 60 s. Example: ?url=https://1gateway.dev/v1/fx/rates&max_price_usd=0.01",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"max_price_usd": 0.01,
"method": "GET",
"url": "https://1gateway.dev/v1/fx/rates"
},
"type": "http"
},
"output": {
"example": {
"checkedAt": "2026-10-31T08:00:00.000Z",
"market": {
"medianUsd": 0.005,
"similarRoutes": 6
},
"measured": null,
"method": "GET",
"notes": [
"One unpaid request was sent (no payment header); nothing was paid."
],
"quote": {
"networks": [
"eip155:8453"
],
"payTo": [
"0x6246eee0355Dd7A93C888fE59e1151388A0cC5a1"
],
"priceUsd": 0.002
},
"reasons": [
{
"code": "live_quote",
"level": "ok",
"message": "Live x402 quote in 0 ms"
}
],
"url": "https://1gateway.dev/v1/time/convert",
"verdict": "ALLOW"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"max_price_usd": {
"description": "Your budget per call in USD; a higher quote gives DENY",
"examples": [
0.01
],
"maximum": 1000000,
"minimum": 0,
"type": "number"
},
"method": {
"default": "GET",
"description": "HTTP method of the resource",
"enum": [
"GET",
"POST"
],
"examples": [
"GET"
],
"type": "string"
},
"url": {
"description": "https URL of the x402 resource you are about to pay",
"examples": [
"https://1gateway.dev/v1/fx/rates"
],
"maxLength": 1000,
"pattern": "^https://",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"checkedAt": {
"type": "string"
},
"market": {
"properties": {
"medianUsd": {
"type": "number"
},
"similarRoutes": {
"type": "integer"
}
},
"type": "object"
},
"measured": {
"type": "null"
},
"method": {
"type": "string"
},
"notes": {
"items": {
"type": "string"
},
"type": "array"
},
"quote": {
"properties": {
"networks": {
"items": {
"type": "string"
},
"type": "array"
},
"payTo": {
"items": {
"type": "string"
},
"type": "array"
},
"priceUsd": {
"type": "number"
}
},
"type": "object"
},
"reasons": {
"items": {
"properties": {
"code": {
"type": "string"
},
"level": {
"type": "string"
},
"message": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"url": {
"type": "string"
},
"verdict": {
"type": "string"
}
},
"required": [
"url",
"method",
"verdict",
"reasons",
"quote",
"measured",
"market",
"checkedAt",
"notes"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_dr4pqtka"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792593183/bazaar-icons/c4d9db8f8f483844.png",
"lastUpdated": "2026-11-07T03:38:15.243Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-07T03:38:15.111Z"
},
"resource": "https://1gateway.dev/v1/x402/preflight",
"serviceName": "x402 Payment Preflight",
"tags": [
"x402 preflight",
"agent payment safety",
"x402 trust",
"payment guard",
"agent payments"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Use when an agent is about to pay an unknown x402 endpoint and needs a cheap safety gate. Input: url (https x402 resource), method, optional max_price_usd. Output: JSON verdict ALLOW/WARN/DENY with reasons: live quote now, price vs similar routes and your budget, payTo on the OFAC list, price change vs our last measurement, our 7-day uptime/p95, ERC-8004 registration. Never pays; cached 60 s. Example: ?url=https://1gateway.dev/v1/fx/rates&max_price_usd=0.01"
}What the leaf hashes
{"body":"66d6e69ef6987250b5b1e619e5acfa1e9210ba70ce6b0d55a4540cf9cc742cf4","id":3968749,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083525074227,"prev":1508730,"subject":"x402_bazaar:https://1gateway.dev/v1/x402/preflight","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (195826 rows).
- 0xbc6c63fb085155061b7d61e0f71cc2c4db2582edd88c2fc884618ff151f30409
- 0x93dd9be0f3ae42c48a79c18e113947a4671b02250e263f49c265f44a1651a186
- 0xb2f08af759085d28fb51d6f6089da52a0f5cbd88a3ebd35fd4ecf3f0372637fc
- 0x2ed952520948a1855672ca7c55599dd8926d9ccd52d10e6dabc0a31315b56e1e
- 0xa1f527ae8f0551fe67f113f2b8d541ccc7fddfb37e76234179ef679fef6d5054
- 0xcad60267c33c13308dca74a26a368629035acfcdcc42617c8a0bbba0b3ecbd8a
- 0xdd9aad5a044cd9324758bd6c0d1812a95b57225cb828ac5db9f6162c0dd219c4
- 0x377b5ea560cfb79ad99ead9c83ff652d94a78c9bf70c35ea3b19437d62e72a32
- 0x541611612cdae60d614f50331c08444dbbcca059281fe05320c64b52e859a08a
- 0x89dd03b2ab1e96abfd6a31c21fce5895bd45db7bb3cc3fc596ad59b9fdb0f34f
- 0x22f247eb0c3ebba04588b8329bdb0199aa2fd9e724c47d5934f4a56b194dd4f9
- 0x097b569d682dbcd636f68401d76ac57b13d562bbe574ba3f0952f3ad86a802e2
- 0x597bca2edd57bc2e06f826c348f71c9868f1f1c93c364b62962fa5d28f3bb182
- 0x7720754cd1d565acdb28ae2e3c2e759562843c986908d08656bf4c41e785a347
- 0x2afbeaef1e4de4b2a6d70326e3dc41f9f1c65d4fc46630d217fc932790b0680c
- 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
- 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df
- Day root
- 0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d
- Chained
- 0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb
- Published
- On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa