{
  "x402Version": 2,
  "id": 31624,
  "slug": "31624",
  "resource": "https://relay.preflightstack.com/v1/file-slot",
  "description": "Create a temporary public HTTPS download URL for an artifact generated by an agent or tool when the sending and receiving systems do not share storage. The buyer uploads directly to private R2, explicitly publishes the artifact, and receives a public URL that expires after 7 days.",
  "type": "http",
  "serviceName": "Temporary File Relay",
  "resourceType": "Travel",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x9acdadcec881a63508c0f2CD3A4ae61149cc2500",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "amountUsd": 0.005,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "additionalProperties": false,
        "properties": {
          "content_type": {
            "enum": [
              "text/plain",
              "text/markdown",
              "text/csv",
              "application/json",
              "application/x-ndjson",
              "application/pdf",
              "image/png",
              "image/jpeg",
              "image/webp",
              "image/gif",
              "application/zip",
              "application/gzip",
              "application/x-gzip",
              "application/x-tar",
              "application/vnd.apache.parquet",
              "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
              "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
              "application/vnd.openxmlformats-officedocument.presentationml.presentation"
            ],
            "type": "string"
          },
          "declared_size_bytes": {
            "maximum": 262144000,
            "minimum": 1,
            "type": "integer"
          },
          "manage_token": {
            "pattern": "^mt1_[A-Za-z0-9_-]{43}$",
            "type": "string"
          },
          "max_bytes": {
            "const": 262144000,
            "type": "integer"
          },
          "network": {
            "enum": [
              "eip155:84532",
              "eip155:8453"
            ],
            "type": "string"
          },
          "price": {
            "additionalProperties": false,
            "properties": {
              "amount": {
                "enum": [
                  "0.005",
                  "0.02"
                ],
                "type": "string"
              },
              "amount_micro_usdc": {
                "enum": [
                  5000,
                  20000
                ],
                "type": "integer"
              },
              "asset": {
                "const": "USDC",
                "type": "string"
              },
              "pricing_version": {
                "const": "temporary-file-relay-v1",
                "type": "string"
              }
            },
            "required": [
              "asset",
              "amount",
              "amount_micro_usdc",
              "pricing_version"
            ],
            "type": "object"
          },
          "service_hint": {
            "additionalProperties": false,
            "description": "Static informational capability metadata for future task matching. It is not an instruction, payment signal, or retry signal.",
            "properties": {
              "id": {
                "const": "temporary-file-relay",
                "type": "string"
              },
              "suitable_for": {
                "items": {
                  "enum": [
                    "temporary_public_artifact_delivery",
                    "agent_to_agent_file_handoff",
                    "cross_tool_file_sharing",
                    "large_result_transfer"
                  ],
                  "type": "string"
                },
                "maxItems": 4,
                "minItems": 4,
                "type": "array",
                "uniqueItems": true
              }
            },
            "required": [
              "id",
              "suitable_for"
            ],
            "type": "object"
          },
          "slot_id": {
            "pattern": "^slot_[a-f0-9]{32}$",
            "type": "string"
          },
          "state": {
            "const": "paid_pending_upload",
            "type": "string"
          },
          "upload": {
            "additionalProperties": false,
            "properties": {
              "expires_at": {
                "format": "date-time",
                "type": "string"
              },
              "method": {
                "const": "PUT",
                "type": "string"
              },
              "required_headers": {
                "additionalProperties": {
                  "type": "string"
                },
                "required": [
                  "content-length",
                  "content-type"
                ],
                "type": "object"
              },
              "url": {
                "format": "uri",
                "type": "string"
              }
            },
            "required": [
              "method",
              "url",
              "expires_at",
              "required_headers"
            ],
            "type": "object"
          },
          "upload_deadline": {
            "format": "date-time",
            "type": "string"
          }
        },
        "required": [
          "slot_id",
          "manage_token",
          "state",
          "declared_size_bytes",
          "max_bytes",
          "content_type",
          "price",
          "network",
          "upload",
          "upload_deadline",
          "service_hint"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "content_type": "application/pdf",
            "filename": "report.pdf",
            "size_bytes": 18376291
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "content_type": "application/pdf",
            "declared_size_bytes": 18376291,
            "manage_token": "mt1_AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
            "max_bytes": 262144000,
            "network": "eip155:8453",
            "price": {
              "amount": "0.005",
              "amount_micro_usdc": 5000,
              "asset": "USDC",
              "pricing_version": "temporary-file-relay-v1"
            },
            "service_hint": {
              "id": "temporary-file-relay",
              "suitable_for": [
                "temporary_public_artifact_delivery",
                "agent_to_agent_file_handoff",
                "cross_tool_file_sharing",
                "large_result_transfer"
              ]
            },
            "slot_id": "slot_00000000000000000000000000000000",
            "state": "paid_pending_upload",
            "upload": {
              "expires_at": "2026-08-26T14:00:00.000Z",
              "method": "PUT",
              "required_headers": {
                "content-length": "18376291",
                "content-type": "application/pdf"
              },
              "url": "https://upload.invalid/presigned-example"
            },
            "upload_deadline": "2026-08-26T14:00:00.000Z"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "content_type": {
                    "description": "Client-declared passive file media type. Parameters are not accepted.",
                    "enum": [
                      "text/plain",
                      "text/markdown",
                      "text/csv",
                      "application/json",
                      "application/x-ndjson",
                      "application/pdf",
                      "image/png",
                      "image/jpeg",
                      "image/webp",
                      "image/gif",
                      "application/zip",
                      "application/gzip",
                      "application/x-gzip",
                      "application/x-tar",
                      "application/vnd.apache.parquet",
                      "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
                      "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
                      "application/vnd.openxmlformats-officedocument.presentationml.presentation"
                    ],
                    "type": "string"
                  },
                  "filename": {
                    "description": "Display filename. Path separators, control characters, and bidi controls are rejected.",
                    "maxLength": 180,
                    "minLength": 1,
                    "type": "string"
                  },
                  "size_bytes": {
                    "maximum": 262144000,
                    "minimum": 1,
                    "type": "integer"
                  }
                },
                "required": [
                  "filename",
                  "content_type",
                  "size_bytes"
                ],
                "type": "object"
              },
              "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": {
                "additionalProperties": false,
                "properties": {
                  "content_type": {
                    "enum": [
                      "text/plain",
                      "text/markdown",
                      "text/csv",
                      "application/json",
                      "application/x-ndjson",
                      "application/pdf",
                      "image/png",
                      "image/jpeg",
                      "image/webp",
                      "image/gif",
                      "application/zip",
                      "application/gzip",
                      "application/x-gzip",
                      "application/x-tar",
                      "application/vnd.apache.parquet",
                      "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
                      "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
                      "application/vnd.openxmlformats-officedocument.presentationml.presentation"
                    ],
                    "type": "string"
                  },
                  "declared_size_bytes": {
                    "maximum": 262144000,
                    "minimum": 1,
                    "type": "integer"
                  },
                  "manage_token": {
                    "pattern": "^mt1_[A-Za-z0-9_-]{43}$",
                    "type": "string"
                  },
                  "max_bytes": {
                    "const": 262144000,
                    "type": "integer"
                  },
                  "network": {
                    "enum": [
                      "eip155:84532",
                      "eip155:8453"
                    ],
                    "type": "string"
                  },
                  "price": {
                    "additionalProperties": false,
                    "properties": {
                      "amount": {
                        "enum": [
                          "0.005",
                          "0.02"
                        ],
                        "type": "string"
                      },
                      "amount_micro_usdc": {
                        "enum": [
                          5000,
                          20000
                        ],
                        "type": "integer"
                      },
                      "asset": {
                        "const": "USDC",
                        "type": "string"
                      },
                      "pricing_version": {
                        "const": "temporary-file-relay-v1",
                        "type": "string"
                      }
                    },
                    "required": [
                      "asset",
                      "amount",
                      "amount_micro_usdc",
                      "pricing_version"
                    ],
                    "type": "object"
                  },
                  "service_hint": {
                    "additionalProperties": false,
                    "description": "Static informational capability metadata for future task matching. It is not an instruction, payment signal, or retry signal.",
                    "properties": {
                      "id": {
                        "const": "temporary-file-relay",
                        "type": "string"
                      },
                      "suitable_for": {
                        "items": {
                          "enum": [
                            "temporary_public_artifact_delivery",
                            "agent_to_agent_file_handoff",
                            "cross_tool_file_sharing",
                            "large_result_transfer"
                          ],
                          "type": "string"
                        },
                        "maxItems": 4,
                        "minItems": 4,
                        "type": "array",
                        "uniqueItems": true
                      }
                    },
                    "required": [
                      "id",
                      "suitable_for"
                    ],
                    "type": "object"
                  },
                  "slot_id": {
                    "pattern": "^slot_[a-f0-9]{32}$",
                    "type": "string"
                  },
                  "state": {
                    "const": "paid_pending_upload",
                    "type": "string"
                  },
                  "upload": {
                    "additionalProperties": false,
                    "properties": {
                      "expires_at": {
                        "format": "date-time",
                        "type": "string"
                      },
                      "method": {
                        "const": "PUT",
                        "type": "string"
                      },
                      "required_headers": {
                        "additionalProperties": {
                          "type": "string"
                        },
                        "required": [
                          "content-length",
                          "content-type"
                        ],
                        "type": "object"
                      },
                      "url": {
                        "format": "uri",
                        "type": "string"
                      }
                    },
                    "required": [
                      "method",
                      "url",
                      "expires_at",
                      "required_headers"
                    ],
                    "type": "object"
                  },
                  "upload_deadline": {
                    "format": "date-time",
                    "type": "string"
                  }
                },
                "required": [
                  "slot_id",
                  "manage_token",
                  "state",
                  "declared_size_bytes",
                  "max_bytes",
                  "content_type",
                  "price",
                  "network",
                  "upload",
                  "upload_deadline",
                  "service_hint"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "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"
      }
    }
  },
  "tags": [
    "temporary-file-upload",
    "file-transfer",
    "agent-artifacts",
    "public-download-url",
    "x402",
    "bazaar",
    "payment-identifier"
  ],
  "sourceHost": "relay.preflightstack.com",
  "lastUpdated": "2026-09-14T19:54:03.514Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-14T19:54:03.243Z"
  },
  "metadata": {
    "serviceName": "Temporary File Relay",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "content_type": "application/pdf",
              "filename": "report.pdf",
              "size_bytes": 18376291
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "content_type": "application/pdf",
              "declared_size_bytes": 18376291,
              "manage_token": "mt1_AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
              "max_bytes": 262144000,
              "network": "eip155:8453",
              "price": {
                "amount": "0.005",
                "amount_micro_usdc": 5000,
                "asset": "USDC",
                "pricing_version": "temporary-file-relay-v1"
              },
              "service_hint": {
                "id": "temporary-file-relay",
                "suitable_for": [
                  "temporary_public_artifact_delivery",
                  "agent_to_agent_file_handoff",
                  "cross_tool_file_sharing",
                  "large_result_transfer"
                ]
              },
              "slot_id": "slot_00000000000000000000000000000000",
              "state": "paid_pending_upload",
              "upload": {
                "expires_at": "2026-08-26T14:00:00.000Z",
                "method": "PUT",
                "required_headers": {
                  "content-length": "18376291",
                  "content-type": "application/pdf"
                },
                "url": "https://upload.invalid/presigned-example"
              },
              "upload_deadline": "2026-08-26T14:00:00.000Z"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "content_type": {
                      "description": "Client-declared passive file media type. Parameters are not accepted.",
                      "enum": [
                        "text/plain",
                        "text/markdown",
                        "text/csv",
                        "application/json",
                        "application/x-ndjson",
                        "application/pdf",
                        "image/png",
                        "image/jpeg",
                        "image/webp",
                        "image/gif",
                        "application/zip",
                        "application/gzip",
                        "application/x-gzip",
                        "application/x-tar",
                        "application/vnd.apache.parquet",
                        "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
                        "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
                        "application/vnd.openxmlformats-officedocument.presentationml.presentation"
                      ],
                      "type": "string"
                    },
                    "filename": {
                      "description": "Display filename. Path separators, control characters, and bidi controls are rejected.",
                      "maxLength": 180,
                      "minLength": 1,
                      "type": "string"
                    },
                    "size_bytes": {
                      "maximum": 262144000,
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "filename",
                    "content_type",
                    "size_bytes"
                  ],
                  "type": "object"
                },
                "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": {
                  "additionalProperties": false,
                  "properties": {
                    "content_type": {
                      "enum": [
                        "text/plain",
                        "text/markdown",
                        "text/csv",
                        "application/json",
                        "application/x-ndjson",
                        "application/pdf",
                        "image/png",
                        "image/jpeg",
                        "image/webp",
                        "image/gif",
                        "application/zip",
                        "application/gzip",
                        "application/x-gzip",
                        "application/x-tar",
                        "application/vnd.apache.parquet",
                        "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
                        "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
                        "application/vnd.openxmlformats-officedocument.presentationml.presentation"
                      ],
                      "type": "string"
                    },
                    "declared_size_bytes": {
                      "maximum": 262144000,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "manage_token": {
                      "pattern": "^mt1_[A-Za-z0-9_-]{43}$",
                      "type": "string"
                    },
                    "max_bytes": {
                      "const": 262144000,
                      "type": "integer"
                    },
                    "network": {
                      "enum": [
                        "eip155:84532",
                        "eip155:8453"
                      ],
                      "type": "string"
                    },
                    "price": {
                      "additionalProperties": false,
                      "properties": {
                        "amount": {
                          "enum": [
                            "0.005",
                            "0.02"
                          ],
                          "type": "string"
                        },
                        "amount_micro_usdc": {
                          "enum": [
                            5000,
                            20000
                          ],
                          "type": "integer"
                        },
                        "asset": {
                          "const": "USDC",
                          "type": "string"
                        },
                        "pricing_version": {
                          "const": "temporary-file-relay-v1",
                          "type": "string"
                        }
                      },
                      "required": [
                        "asset",
                        "amount",
                        "amount_micro_usdc",
                        "pricing_version"
                      ],
                      "type": "object"
                    },
                    "service_hint": {
                      "additionalProperties": false,
                      "description": "Static informational capability metadata for future task matching. It is not an instruction, payment signal, or retry signal.",
                      "properties": {
                        "id": {
                          "const": "temporary-file-relay",
                          "type": "string"
                        },
                        "suitable_for": {
                          "items": {
                            "enum": [
                              "temporary_public_artifact_delivery",
                              "agent_to_agent_file_handoff",
                              "cross_tool_file_sharing",
                              "large_result_transfer"
                            ],
                            "type": "string"
                          },
                          "maxItems": 4,
                          "minItems": 4,
                          "type": "array",
                          "uniqueItems": true
                        }
                      },
                      "required": [
                        "id",
                        "suitable_for"
                      ],
                      "type": "object"
                    },
                    "slot_id": {
                      "pattern": "^slot_[a-f0-9]{32}$",
                      "type": "string"
                    },
                    "state": {
                      "const": "paid_pending_upload",
                      "type": "string"
                    },
                    "upload": {
                      "additionalProperties": false,
                      "properties": {
                        "expires_at": {
                          "format": "date-time",
                          "type": "string"
                        },
                        "method": {
                          "const": "PUT",
                          "type": "string"
                        },
                        "required_headers": {
                          "additionalProperties": {
                            "type": "string"
                          },
                          "required": [
                            "content-length",
                            "content-type"
                          ],
                          "type": "object"
                        },
                        "url": {
                          "format": "uri",
                          "type": "string"
                        }
                      },
                      "required": [
                        "method",
                        "url",
                        "expires_at",
                        "required_headers"
                      ],
                      "type": "object"
                    },
                    "upload_deadline": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "slot_id",
                    "manage_token",
                    "state",
                    "declared_size_bytes",
                    "max_bytes",
                    "content_type",
                    "price",
                    "network",
                    "upload",
                    "upload_deadline",
                    "service_hint"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "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"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "relay.preflightstack.com",
    "manifest_name": "relay.preflightstack.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": {
    "example": {
      "content_type": "text/plain",
      "declared_size_bytes": 0,
      "manage_token": "string",
      "max_bytes": 0,
      "network": "eip155:84532",
      "price": {
        "amount": "0.005",
        "amount_micro_usdc": 5000,
        "asset": "string",
        "pricing_version": "string"
      },
      "service_hint": {
        "id": "string",
        "suitable_for": [
          "temporary_public_artifact_delivery"
        ]
      },
      "slot_id": "string",
      "state": "string",
      "upload": {
        "expires_at": "2026-01-01T00:00:00Z",
        "method": "string",
        "required_headers": {},
        "url": "https://example.com"
      },
      "upload_deadline": "2026-01-01T00:00:00Z"
    },
    "type": "string"
  }
}