{
  "x402Version": 2,
  "id": 42023,
  "slug": "42023",
  "resource": "https://api.satledger.org/x402/receipt",
  "description": "One RFC 3161 timestamp receipt over a digest you supply. No account and no API key: the response is the whole deliverable. Your data is never sent - only its hash - and nothing about the request is retained here.",
  "type": "http",
  "resourceType": "Utilities",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xAC6A3A729672a786182e4A7BA29c78587fafE3b4",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "50000",
      "amountUsd": 0.05,
      "maxTimeoutSeconds": 60
    },
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xAC6A3A729672a786182e4A7BA29c78587fafE3b4",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "500000",
      "amountUsd": 0.5,
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "description": "Submit a SHA-256 digest, receive a Time-Stamp Authority's signed RFC 3161 token over it. Proof that the data you hashed existed at that time, verifiable against the authority without trusting or contacting this service.",
        "input": {
          "body": {
            "digest": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "name": "satledger timestamp receipt",
        "output": {
          "example": {
            "digest": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08",
            "timestamp_token_der_b64": "MIIS...(RFC 3161 token, base64)",
            "tsa_url": "https://freetsa.org/tsr",
            "verify": "openssl ts -reply -in token.der -text"
          },
          "type": "json"
        },
        "whenToUse": "Call this when you need to show later that something existed now - a model output, a decision, a document - and the person you will show it to has no reason to trust you. One call, no account. Keep the token; it is the evidence."
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "description": "Send `digest` for one, or `digests` for up to 10 in a single call and a single payment. A batch is bound to one timestamp by a Merkle root, and each digest comes back with the proof that binds it there.",
                "oneOf": [
                  {
                    "required": [
                      "digest"
                    ]
                  },
                  {
                    "required": [
                      "digests"
                    ]
                  }
                ],
                "properties": {
                  "digest": {
                    "description": "SHA-256 of whatever you want timestamped, as 64 hex characters. Hash it yourself; the data never leaves your side.",
                    "pattern": "^[0-9a-fA-F]{64}$",
                    "type": "string"
                  },
                  "digests": {
                    "description": "Up to 10 SHA-256 hashes. Requires the batch price; the single price permits one.",
                    "items": {
                      "pattern": "^[0-9a-fA-F]{64}$",
                      "type": "string"
                    },
                    "maxItems": 10,
                    "minItems": 1,
                    "type": "array"
                  }
                },
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST",
                  "PUT",
                  "PATCH"
                ],
                "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"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "api.satledger.org",
  "lastUpdated": "2026-10-07T08:36:23.042Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-07T08:36:22.475Z"
  },
  "metadata": {
    "extensions": {
      "bazaar": {
        "info": {
          "description": "Submit a SHA-256 digest, receive a Time-Stamp Authority's signed RFC 3161 token over it. Proof that the data you hashed existed at that time, verifiable against the authority without trusting or contacting this service.",
          "input": {
            "body": {
              "digest": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "name": "satledger timestamp receipt",
          "output": {
            "example": {
              "digest": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08",
              "timestamp_token_der_b64": "MIIS...(RFC 3161 token, base64)",
              "tsa_url": "https://freetsa.org/tsr",
              "verify": "openssl ts -reply -in token.der -text"
            },
            "type": "json"
          },
          "whenToUse": "Call this when you need to show later that something existed now - a model output, a decision, a document - and the person you will show it to has no reason to trust you. One call, no account. Keep the token; it is the evidence."
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "description": "Send `digest` for one, or `digests` for up to 10 in a single call and a single payment. A batch is bound to one timestamp by a Merkle root, and each digest comes back with the proof that binds it there.",
                  "oneOf": [
                    {
                      "required": [
                        "digest"
                      ]
                    },
                    {
                      "required": [
                        "digests"
                      ]
                    }
                  ],
                  "properties": {
                    "digest": {
                      "description": "SHA-256 of whatever you want timestamped, as 64 hex characters. Hash it yourself; the data never leaves your side.",
                      "pattern": "^[0-9a-fA-F]{64}$",
                      "type": "string"
                    },
                    "digests": {
                      "description": "Up to 10 SHA-256 hashes. Requires the batch price; the single price permits one.",
                      "items": {
                        "pattern": "^[0-9a-fA-F]{64}$",
                        "type": "string"
                      },
                      "maxItems": 10,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "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"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.satledger.org",
    "manifest_name": "api.satledger.org",
    "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": {
    "digest": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08",
    "timestamp_token_der_b64": "MIIS...(RFC 3161 token, base64)",
    "tsa_url": "https://freetsa.org/tsr",
    "verify": "openssl ts -reply -in token.der -text"
  }
}