{
  "x402Version": 2,
  "id": 53569,
  "slug": "53569",
  "resource": "https://fabair-agents.com/stamp",
  "description": "Signed receipt for a supplied SHA-256 digest",
  "type": "http",
  "resourceType": "Developer Tool",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x8836B033566Cc871b069c90C38BBDE5C03182c33",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "additionalProperties": false,
    "properties": {
      "type": {
        "const": "json"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "digest": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
            "key_id": "example-agent"
          },
          "bodyType": "json",
          "headers": {
            "X-C1-Operation-Id": "example-unique-operation"
          },
          "method": "POST",
          "type": "http"
        },
        "output": {
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "description": "Signed receipt for a supplied SHA-256 digest. Local untrusted time; no proof of principal authorization.",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "digest": {
                    "maxLength": 64,
                    "minLength": 64,
                    "pattern": "^[a-fA-F0-9]{64}$",
                    "type": "string"
                  },
                  "key_id": {
                    "maxLength": 128,
                    "minLength": 1,
                    "not": {
                      "pattern": "[^A-Za-z0-9_.:@/-]"
                    },
                    "pattern": "^[A-Za-z0-9_.:@/-]+$",
                    "type": "string"
                  },
                  "note": {
                    "maxLength": 200,
                    "not": {
                      "pattern": "[\u0000-\u001f]"
                    },
                    "type": "string"
                  },
                  "principal": {
                    "maxLength": 128,
                    "minLength": 1,
                    "not": {
                      "pattern": "[^A-Za-z0-9_.:@/-]"
                    },
                    "pattern": "^[A-Za-z0-9_.:@/-]+$",
                    "type": "string"
                  }
                },
                "required": [
                  "digest",
                  "key_id"
                ],
                "type": "object"
              },
              "bodyType": {
                "const": "json"
              },
              "headers": {
                "additionalProperties": false,
                "properties": {
                  "X-C1-Operation-Id": {
                    "pattern": "^[a-z0-9_-]{1,64}$",
                    "type": "string"
                  }
                },
                "required": [
                  "X-C1-Operation-Id"
                ],
                "type": "object"
              },
              "method": {
                "enum": [
                  "POST"
                ]
              },
              "type": {
                "const": "http"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body",
              "headers"
            ],
            "type": "object"
          },
          "output": {
            "additionalProperties": false,
            "properties": {
              "type": {
                "const": "json"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "title": "FABA signed digest stamp",
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "fabair-agents.com",
  "lastUpdated": "2026-10-03T05:50:11.881Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-03T05:50:11.612Z"
  },
  "metadata": {
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "digest": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
              "key_id": "example-agent"
            },
            "bodyType": "json",
            "headers": {
              "X-C1-Operation-Id": "example-unique-operation"
            },
            "method": "POST",
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "description": "Signed receipt for a supplied SHA-256 digest. Local untrusted time; no proof of principal authorization.",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "digest": {
                      "maxLength": 64,
                      "minLength": 64,
                      "pattern": "^[a-fA-F0-9]{64}$",
                      "type": "string"
                    },
                    "key_id": {
                      "maxLength": 128,
                      "minLength": 1,
                      "not": {
                        "pattern": "[^A-Za-z0-9_.:@/-]"
                      },
                      "pattern": "^[A-Za-z0-9_.:@/-]+$",
                      "type": "string"
                    },
                    "note": {
                      "maxLength": 200,
                      "not": {
                        "pattern": "[\u0000-\u001f]"
                      },
                      "type": "string"
                    },
                    "principal": {
                      "maxLength": 128,
                      "minLength": 1,
                      "not": {
                        "pattern": "[^A-Za-z0-9_.:@/-]"
                      },
                      "pattern": "^[A-Za-z0-9_.:@/-]+$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "digest",
                    "key_id"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "const": "json"
                },
                "headers": {
                  "additionalProperties": false,
                  "properties": {
                    "X-C1-Operation-Id": {
                      "pattern": "^[a-z0-9_-]{1,64}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "X-C1-Operation-Id"
                  ],
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "POST"
                  ]
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body",
                "headers"
              ],
              "type": "object"
            },
            "output": {
              "additionalProperties": false,
              "properties": {
                "type": {
                  "const": "json"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "title": "FABA signed digest stamp",
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "fabair-agents.com",
    "manifest_name": "fabair-agents.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "type": null
  }
}