← The evidence ledger
Evidence row 25062
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402-trust.com/v1/x402-trust
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 384e374f5c1a96087d6913b0bc1538e80af3764b8ad6378ecced46ce7f1d11ac
- Leaf
- 0xd1be93dd395ac6a296e4a89cd7a482b43d94e17b8dd2aafc05f22d1b22cca4c1
What was observed
{
"endpoints": [
[
"x402",
"https://x402-trust.com/v1/x402-trust"
]
],
"name": "x402 Trust Score",
"owner_address": "0xbbecbe90f28632a9d52ed67b33b43767b8c89285",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"outputSchema": {
"input": {
"bodyFields": {
"resource": {
"description": "Full x402 resource URL exactly as listed in discovery (e.g. https://api.example.com/v1/thing).",
"required": true,
"type": "string"
}
},
"bodyType": "json",
"headerFields": {
"PAYMENT-SIGNATURE": {
"description": "Base64-encoded JSON PaymentPayload; auto-filled by x402 clients.",
"required": true,
"type": "string"
}
},
"method": "POST",
"type": "http"
},
"output": {
"breakdown": "object",
"confidence": "number",
"flags": "array",
"grade": "string",
"resource": "string",
"score": "number",
"stats": "object"
}
},
"payTo": "0xbBECBE90F28632a9d52ed67b33b43767b8c89285",
"scheme": "exact"
}
],
"description": "Trust score (0-100, grade A-F) for any x402 endpoint, cataloged or not: 30d uptime, 402-envelope compliance, latency, age, real on-chain USDC settlement volume, and price stability, with a full auditable breakdown. Uncataloged endpoints are live-probed on first query and auto-adopted. Know before you pay.",
"extensions": {
"bazaar": {
"category": "data",
"discoverable": true,
"info": {
"input": {
"body": {
"resource": "https://api.example.com/v1/thing"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"$schema": "https://x402-trust.com/schemas/x402-trust.schema.json",
"breakdown": {
"envelopeCompliance": 1,
"latency": 0.91,
"observedAge": 0.6,
"priceStability": 1,
"settlementActivity": 0.74,
"uptime": 0.99
},
"confidence": 0.82,
"dataCompleteSince": 1748736000000,
"description": "Provider-advertised description of the endpoint (unverified claim).",
"flags": [],
"grade": "A",
"resource": "https://api.example.com/v1/thing",
"schemaType": "x402-trust",
"schemaVersion": "2.0.0",
"score": 87.4,
"serviceName": "Example Thing API",
"stats": {
"avgLatencyMs": 312,
"delisted": false,
"distinctPayers30d": 96,
"observedDays": 5,
"payTo": "0xabc…123",
"probeOk30d": 1427,
"probes30d": 1440,
"settledVolumeUnits30d": "364680000",
"settlements30d": 18234
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"resource": {
"type": "string"
}
},
"required": [
"resource"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
]
},
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
]
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"$schema": {
"type": "string"
},
"breakdown": {
"properties": {
"envelopeCompliance": {
"type": "integer"
},
"latency": {
"type": "number"
},
"observedAge": {
"type": "number"
},
"priceStability": {
"type": "integer"
},
"settlementActivity": {
"type": "number"
},
"uptime": {
"type": "number"
}
},
"required": [
"uptime",
"envelopeCompliance",
"latency",
"observedAge",
"settlementActivity",
"priceStability"
],
"type": "object"
},
"confidence": {
"type": "number"
},
"dataCompleteSince": {
"type": "integer"
},
"description": {
"type": "string"
},
"flags": {
"type": "array"
},
"grade": {
"type": "string"
},
"resource": {
"type": "string"
},
"schemaType": {
"type": "string"
},
"schemaVersion": {
"type": "string"
},
"score": {
"type": "number"
},
"serviceName": {
"type": "string"
},
"stats": {
"properties": {
"avgLatencyMs": {
"type": "integer"
},
"delisted": {
"type": "boolean"
},
"distinctPayers30d": {
"type": "integer"
},
"observedDays": {
"type": "integer"
},
"payTo": {
"type": "string"
},
"probeOk30d": {
"type": "integer"
},
"probes30d": {
"type": "integer"
},
"settledVolumeUnits30d": {
"type": "string"
},
"settlements30d": {
"type": "integer"
}
},
"required": [
"observedDays",
"probes30d",
"probeOk30d",
"avgLatencyMs",
"payTo",
"settlements30d",
"distinctPayers30d",
"settledVolumeUnits30d",
"delisted"
],
"type": "object"
}
},
"required": [
"$schema",
"schemaVersion",
"schemaType",
"resource",
"serviceName",
"description",
"score",
"grade",
"confidence",
"breakdown",
"flags",
"dataCompleteSince",
"stats"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"x402",
"trust",
"score",
"monitoring",
"reliability"
]
}
},
"lastUpdated": "2026-10-24T12:38:13.988Z",
"quality": {
"l30DaysTotalCalls": 29,
"l30DaysUniquePayers": 10,
"lastCalledAt": "2026-10-24T12:38:13.52Z"
},
"resource": "https://x402-trust.com/v1/x402-trust",
"serviceName": "x402 Trust Score",
"tags": [
"x402",
"trust",
"reliability",
"monitoring",
"uptime"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Trust score (0-100, grade A-F) for any x402 endpoint, cataloged or not: 30d uptime, 402-envelope compliance, latency, age, real on-chain USDC settlement volume, and price stability, with a full auditable breakdown. Uncataloged endpoints are live-probed on first query and auto-adopted. Know before you pay."
}What the leaf hashes
{"body":"384e374f5c1a96087d6913b0bc1538e80af3764b8ad6378ecced46ce7f1d11ac","id":25062,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025353620511,"prev":null,"subject":"x402_bazaar:https://x402-trust.com/v1/x402-trust","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).
- 0xd1bef645a6144827c417cc331d99c5792dac40c6a20800a50614a8305090c534
- 0xcf72db7b5355976f5a9b8729695fb6ec59985d4e48fa63199e71b6410f541838
- 0x0188cc4a50582c70ba37b677b828d6bf9c4e5f05eda60796b599fa1055898ee4
- 0x3319524ccbb88e316a35a9cf81e0eea4c75f97ad218a60073a92ff93104f8ad3
- 0x65f5eafd717d862dde74ca7644f16791a9464fb64a437d68f76bffd405afcde5
- 0x0639b5244c0407b535c9087974289247b5ef17e5b6c10f44c5c7cc2afdce4ec2
- 0x82d4e4f33ddef9b72e5b9dda8e5072fd32fd22de8a77132a8e718a80c8372b0d
- 0x6caf1de894c224cf8286845ce6a6248ec0324d830ead1f0b5dd9b2a8da5ccc5f
- 0x4150589061b30d291e7235f1a994be8740c3c22358057bceadb9de1f7a4e886b
- 0xd03ba161f40c51580284bcf2e65fb1818a9cf130ec62c36d7043b982e4e3abee
- 0xf2fdee89378769052782dfd25aeff4865ec268617aa70e6d5f36f0b04808af0c
- 0xa4ec009cd8db00b48fa2e4df84088950b4d34c37254de09f5e3789441c0c5e73
- 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
- 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae