← The evidence ledger
Evidence row 792221
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://json-repair-api-9ybv.onrender.com/trust/x402/firewall
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0dea91c3d68525bcf32af8aa69fe57fc09df600b6ef4af7104602b6c54ac59d3
- Leaf
- 0x0f5a0dcdee593bfdaf799d9709cc2485f6e99e760dbfc9313bae60a677c4f099
What was observed
{
"endpoints": [
[
"x402",
"https://json-repair-api-9ybv.onrender.com/trust/x402/firewall"
]
],
"name": "json-repair-api-9ybv.onrender.com/trust/x402/firewall",
"owner_address": "0xeac0e798d3ddaddc6b54e4622ca78edd66578ad6",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xEaC0E798d3ddaDdc6B54E4622Ca78edd66578Ad6",
"scheme": "exact"
}
],
"description": "Automatic before-payment firewall for x402 clients. Runs after the merchant returns PAYMENT-REQUIRED but before the wallet creates/signs the merchant payment. Returns ALLOW, REVIEW or BLOCK based on exact request/challenge integrity and public merchant/payTo risk evidence. Spending authority remains with the caller's wallet/client policy unless full transaction clearance is used.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"category": "ai-infrastructure",
"merchant_id": "merchant.example",
"payment_required": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x1111111111111111111111111111111111111111",
"scheme": "exact"
}
],
"resource": {
"description": "Merchant paid resource",
"mimeType": "application/json",
"url": "https://merchant.example/api/resource"
},
"x402Version": 2
},
"request": {
"body": {
"task": "example"
},
"method": "POST",
"url": "https://merchant.example/api/resource"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"allowed": true,
"decision": "APPROVED",
"firewall_action": "ALLOW",
"merchant_risk": {
"decision": "APPROVED",
"reasons": [
"no_material_public_risk_signal_observed"
],
"risk_level": "LOW",
"score": 0
},
"next_action": "CREATE_PAYMENT_IF_CLIENT_POLICY_ALLOWS",
"proof_token": "signed-transaction-preflight"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"category": {
"description": "Optional purchase category for audit context.",
"type": "string"
},
"merchant_id": {
"description": "Optional stable merchant identifier. If omitted, the resource hostname is used.",
"type": "string"
},
"payment_required": {
"description": "The merchant's real x402 PAYMENT-REQUIRED payload, as decoded JSON or its encoded string.",
"oneOf": [
{
"type": "object"
},
{
"type": "string"
}
]
},
"request": {
"description": "Exact HTTP request the agent intends to make after the preflight.",
"properties": {
"body": {},
"method": {
"type": "string"
},
"url": {
"type": "string"
}
},
"required": [
"method",
"url"
],
"type": "object"
}
},
"required": [
"payment_required",
"request"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-28T17:02:47.996Z",
"quality": {
"lastCalledAt": "2026-10-28T17:02:47.996Z"
},
"resource": "https://json-repair-api-9ybv.onrender.com/trust/x402/firewall",
"tags": [
"agent-payments",
"x402",
"payment-firewall",
"before-payment",
"merchant-risk"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Automatic before-payment firewall for x402 clients. Runs after the merchant returns PAYMENT-REQUIRED but before the wallet creates/signs the merchant payment. Returns ALLOW, REVIEW or BLOCK based on exact request/challenge integrity and public merchant/payTo risk evidence. Spending authority remains with the caller's wallet/client policy unless full transaction clearance is used."
}What the leaf hashes
{"body":"0dea91c3d68525bcf32af8aa69fe57fc09df600b6ef4af7104602b6c54ac59d3","id":792221,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211812537706,"prev":null,"subject":"x402_bazaar:https://json-repair-api-9ybv.onrender.com/trust/x402/firewall","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).
- 0x0f59c49db1a6283f72d38b45d60a9fc3f189a798954646e5434e24e79874b6d6
- 0xbbcb02e516aabeba26ce7b0b41541a8f2f5b91fe9da25b6e8a387653a6bb71ee
- 0x7b52851160d0ecd877187163f2fa296a2f3822a32c0567a5bd8da8413deb1ced
- 0x0dd389dc48607e9bc185d7f271b5f59b06d296dc80ffefbab0edb750488d3463
- 0x0503fe70b47998c2124bcaa05c091bfc58f264575d90beaf7eada79493bf0986
- 0x726cfbef12bbb31271c018e1f12ba18d6e6d975e91f62d0ae91be00e2ff1fa13
- 0x1a939c651b816abdc8311d50f4fb9b4b7da82c41f31f14f10249b11284b54028
- 0x89211b7338d97728bacf35428c0ef665f49b35da98134b8a8d16a1a555cc05e9
- 0x4fe7fbf8225509021d897eaf2f269c5c50c7474b509a7079557fc4b77378773a
- 0x972c60735ef33ffc0b9332f162a8e0b102457767bfc6339580db569467b97235
- 0x702458b3edf6d506b580474c51822cc9b75829b711968165ca7d822be2793092
- 0x60467e72ee1c7e1a625989cc84742be5994ca41aa97557ccf246ec0f902a4228
- 0xfd1df77ed593d89e10dbf20c0bb022fdc7c5fff3d41d686683936ce3d2b0638c
- 0xd255034c045ff2574d11cb3757ffb240536c7380f2dfbe54e8a41bd8797bd254
- 0x2d4bed6c1c0f427d29eba935cdedcc76c72935d41919903a3b217a8ffca38438
- 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
- 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
- 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae