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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).

  1. 0x189867d8b205979922ed2998b55562eb83d77d0a91df7c72cb63b15c6f822766
  2. 0x884c03a54f867b330847125564eae2de668478380d8cfe99b2225093fc178f9a
  3. 0x6710a4ad3eea3b3187b7aeb675999b513322f3d1cf697b46870c2ae86a42dcfb
  4. 0x190d406462af04d99c1dc4b16d2dba740f86b3a4d6f2a681bf9164ea7523a079
  5. 0xe02cc77d1914413d52cc12fcd1942affadcb90ce0c4fe2e53ee79702abef6854
  6. 0x534bc8d410c56308f01bcb1fed1a4ac1462ad48f2addca96b109c53ab1097486
  7. 0x1b0f03d58f185f84588cca27d9129a76955cc72019fdde206394dc6c04b28729
  8. 0x57489ed97f254802732c63b32ffa35358c6b3c71f73079b91824573f0e3021d4
  9. 0x34d8518289565739865be381d2d981b9fd7cbacc9818c2721b6412c40c512369
  10. 0xcb3e3aedb72ed8e61cbaa8991a4949a4faf974931a0daec4005c2e39529d76a8
  11. 0x04d98d8716f171bd2264c6c49606521f410107287c5094c713f72cdf2fe1e1ed
  12. 0x15eab8feed5b3f08165d63b9f1aed508c0624966a05349e051f86f0c188707b5
  13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
  14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
  15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON