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Evidence row 278277

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://agent402.tools/v1/nano/messages
Recorded
Previous row
#6240
Body SHA-256
63852fe07482722574e06e58e1c3d7b797aaaee3581731fb81174de272447461
Leaf
0x325068d73dd4199170601c6a20e6047ef369258131989f95f08847488245d12f

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent402.tools/v1/nano/messages"
    ]
  ],
  "name": "Messages nano",
  "owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "outputSchema": {
          "properties": {
            "content": {
              "items": {
                "properties": {
                  "text": {
                    "type": "string"
                  },
                  "type": {
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": "array"
            },
            "id": {
              "type": "string"
            },
            "model": {
              "type": "string"
            },
            "role": {
              "type": "string"
            },
            "stop_reason": {
              "type": "string"
            },
            "type": {
              "type": "string"
            },
            "usage": {
              "properties": {
                "input_tokens": {
                  "type": "integer"
                },
                "output_tokens": {
                  "type": "integer"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "id",
            "type",
            "role",
            "model",
            "content",
            "stop_reason",
            "usage"
          ],
          "type": "object"
        },
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:43114",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:1329",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "4000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:10",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:4663",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:5042",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "permit2",
          "facilitatorAddress": "0x14fDa13953Fc30428938E6BF950d036e77214e52",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "upto"
      },
      {
        "amount": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
        "extra": {
          "areFeesSponsored": true
        },
        "maxTimeoutSeconds": 300,
        "network": "stellar:pubnet",
        "payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:8453",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:5042",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      }
    ],
    "description": "Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/nano and pay $0.003 per call in USDC, no API key, no signup. Same models, caps and price as this tier's /chat/completions route; any model here is served through the Messages wire (Claude natively, others translated). Depth: `effort` (low..max) on Claude 4.7+ and Haiku 5.5, thinking.budget_tokens on older Claude.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "max_tokens": 256,
              "messages": [
                {
                  "content": "Summarize x402 in one sentence.",
                  "role": "user"
                }
              ],
              "model": "google/gemini-3.1-flash-lite"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "content": [
                {
                  "text": "x402 is an HTTP-native way for agents to pay per request with USDC.",
                  "type": "text"
                }
              ],
              "id": "msg_…",
              "model": "anthropic/claude-sonnet-5",
              "role": "assistant",
              "stop_reason": "end_turn",
              "type": "message",
              "usage": {
                "input_tokens": 14,
                "output_tokens": 18
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "effort": {
                      "type": "string"
                    },
                    "max_tokens": {
                      "type": "integer"
                    },
                    "messages": {
                      "type": "array"
                    },
                    "model": {
                      "type": "string"
                    },
                    "stream": {
                      "type": "boolean"
                    },
                    "system": {
                      "type": "string"
                    },
                    "thinking": {
                      "type": "object"
                    },
                    "tools": {
                      "type": "array"
                    },
                    "zdr": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "max_tokens",
                    "messages"
                  ]
                },
                "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": {
                  "properties": {
                    "content": {
                      "items": {
                        "properties": {
                          "text": {
                            "type": "string"
                          },
                          "type": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "model": {
                      "type": "string"
                    },
                    "role": {
                      "type": "string"
                    },
                    "stop_reason": {
                      "type": "string"
                    },
                    "type": {
                      "type": "string"
                    },
                    "usage": {
                      "properties": {
                        "input_tokens": {
                          "type": "integer"
                        },
                        "output_tokens": {
                          "type": "integer"
                        }
                      },
                      "type": "object"
                    }
                  },
                  "required": [
                    "id",
                    "type",
                    "role",
                    "model",
                    "content",
                    "stop_reason",
                    "usage"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_b4aw4uzd"
        },
        "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"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1784423094/bazaar-icons/478aced8e219894c.png",
    "lastUpdated": "2026-10-26T11:10:20.98Z",
    "quality": {
      "l30DaysTotalCalls": 60,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T11:10:20.695Z"
    },
    "resource": "https://agent402.tools/v1/nano/messages",
    "serviceName": "Messages nano",
    "tags": [
      "llm",
      "ai",
      "inference",
      "anthropic-compatible",
      "messages-api"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/nano and pay $0.003 per call in USDC, no API key, no signup. Same models, caps and price as this tier's /chat/completions route; any model here is served through the Messages wire (Claude natively, others translated). Depth: `effort` (low..max) on Claude 4.7+ and Haiku 5.5, thinking.budget_tokens on older Claude."
}

What the leaf hashes

{"body":"63852fe07482722574e06e58e1c3d7b797aaaee3581731fb81174de272447461","id":278277,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042063066603,"prev":6240,"subject":"x402_bazaar:https://agent402.tools/v1/nano/messages","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. 0x32506057e6b3c8fa001fd868096e779a8bae5bff56792285a40b13fce6f03241
  2. 0x7da0ffa78892bc99c954d682b0a838298813053e96cdce629d9ce3cce086cdba
  3. 0xc4796120dcb31b0084676ce27ca62c923e0d5842c232e09e64efc265e9ff4c6f
  4. 0xde1687da7b8f3f1049924fe53b5715eb9f4430f2ea3b5ba656c723823146e4c2
  5. 0xd9b0ead0729f28fef9c78cdb63bf662a2707a20f976e057ba3f9764589f7f4f0
  6. 0xcc897922783f5a21df2886a9c1b0fd2f4e967867df147a1b72892d7c1d498808
  7. 0x183abcc7a2eb6acd58a8aa8b28e66713b7c848df08e0845761b8a188c267428e
  8. 0xd6d4f7fd235c621e9ab7adf6f64ef2279fbc72c079b38a2945ba29fedfff4d66
  9. 0xba69ffb72fb4f2111700c39c171543309bad2ab9bedcad8c07101dc8b6adc689
  10. 0x6f4fdc0c2e1b3d84e2b1d6729c3f9a04bcd118e81d7bf76e3ca851a0dd1ede43
  11. 0x631846da76ec1e8570c7c09dada1cc0affff7b5654335239fd84d2059c750b13
  12. 0x2f4617d7a962f32849050ad5649d9dc4f962fd8618073cfa8519e6f862dfcef8
  13. 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
  14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
  15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  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