← The evidence ledger
Evidence row 72657
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://contractlens-api.appin60.com/payability
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- db4d27295923aec21bf4d5c7bba79f34a09747f41cd5949ab17ef8568e549dcc
- Leaf
- 0x189873d6aa2d9690f9ad0fed38528ef984f2feef3c97f33f7d0582e766587e71
What was observed
{
"endpoints": [
[
"x402",
"https://contractlens-api.appin60.com/payability"
]
],
"name": "contractlens-api.appin60.com/payability",
"owner_address": "0xb442dacae60c07bb5db8f33c8a6c1572d8f24e83",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xB442daCAE60C07bb5dB8f33C8a6c1572d8F24e83",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xB442daCAE60C07bb5dB8f33C8a6c1572d8F24e83",
"scheme": "exact"
}
],
"description": "x402 payability check for sellers: can a real buyer actually pay your endpoint? Sends one payment signed by a fresh unfunded key through your server and facilitator. A payable endpoint fails only on balance; anything else (bad schema, long description, wrong EIP-712 domain, facilitator error) is reported with the exact reason. Base USDC, x402 v1 and v2.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"url": "https://contractlens-api.appin60.com/gas?chainId=8453"
},
"type": "http"
},
"output": {
"example": {
"firstStatus": 402,
"reason": "invalid_payload: contract call failed: unable to call contract: execution reverted",
"status": "payable",
"url": "https://example.com/api",
"verdict": "Payable: rejected only for balance.",
"x402Version": 2
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"url": {
"description": "Full https URL of your x402 endpoint, with any query params it needs",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-14T08:15:52.523Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-14T08:15:51.991Z"
},
"resource": "https://contractlens-api.appin60.com/payability",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "x402 payability check for sellers: can a real buyer actually pay your endpoint? Sends one payment signed by a fresh unfunded key through your server and facilitator. A payable endpoint fails only on balance; anything else (bad schema, long description, wrong EIP-712 domain, facilitator error) is reported with the exact reason. Base USDC, x402 v1 and v2."
}What the leaf hashes
{"body":"db4d27295923aec21bf4d5c7bba79f34a09747f41cd5949ab17ef8568e549dcc","id":72657,"kind":"listing","method":"baseline/1","observed_us":1793025486335831,"prev":null,"subject":"x402_bazaar:https://contractlens-api.appin60.com/payability","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).
- 0x189867d8b205979922ed2998b55562eb83d77d0a91df7c72cb63b15c6f822766
- 0x884c03a54f867b330847125564eae2de668478380d8cfe99b2225093fc178f9a
- 0x6710a4ad3eea3b3187b7aeb675999b513322f3d1cf697b46870c2ae86a42dcfb
- 0x190d406462af04d99c1dc4b16d2dba740f86b3a4d6f2a681bf9164ea7523a079
- 0xe02cc77d1914413d52cc12fcd1942affadcb90ce0c4fe2e53ee79702abef6854
- 0x534bc8d410c56308f01bcb1fed1a4ac1462ad48f2addca96b109c53ab1097486
- 0x1b0f03d58f185f84588cca27d9129a76955cc72019fdde206394dc6c04b28729
- 0x57489ed97f254802732c63b32ffa35358c6b3c71f73079b91824573f0e3021d4
- 0x34d8518289565739865be381d2d981b9fd7cbacc9818c2721b6412c40c512369
- 0xcb3e3aedb72ed8e61cbaa8991a4949a4faf974931a0daec4005c2e39529d76a8
- 0x04d98d8716f171bd2264c6c49606521f410107287c5094c713f72cdf2fe1e1ed
- 0x15eab8feed5b3f08165d63b9f1aed508c0624966a05349e051f86f0c188707b5
- 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
- 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae