# `GET /v1/files/{fileId}` — Get file metadata

Part of the [Bkper Managed Agent API](https://bkper.com/docs/api/managed-agent.md). Read its guide for authentication, conventions, and examples.

## Operation contract

```json
{
  "operationId": "getFile",
  "tags": [
    "Files"
  ],
  "summary": "Get file metadata",
  "security": [
    {
      "bearerAuth": []
    }
  ],
  "parameters": [
    {
      "name": "fileId",
      "in": "path",
      "required": true,
      "schema": {
        "type": "string"
      }
    }
  ],
  "responses": {
    "200": {
      "description": "Success",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/File"
          }
        }
      }
    },
    "400": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "401": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "403": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "404": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "409": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "410": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "411": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "413": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    },
    "503": {
      "description": "Rejected; never contains credentials or upstream payloads.",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    }
  }
}
```

## Schemas

### File

```json
{
  "type": "object",
  "properties": {
    "id": {
      "type": "string"
    },
    "origin": {
      "type": "string",
      "description": "Uploaded by the user, or published by the agent. Open: upload | publish."
    },
    "sessionId": {
      "description": "The session that published it. Absent on uploads, which belong to the user.",
      "type": "string"
    },
    "name": {
      "type": "string"
    },
    "mediaType": {
      "type": "string",
      "description": "Published: the allowlisted type for its name. Uploaded: as declared by the uploader, unverified. Downloads always use the allowlisted type for the name; anything else is application/octet-stream."
    },
    "size": {
      "type": "number",
      "description": "Bytes."
    },
    "sha256": {
      "type": "string",
      "description": "Hex SHA-256 of the content."
    },
    "createdAt": {
      "type": "string",
      "pattern": "^\\d+$",
      "description": "Milliseconds since the epoch, as a string."
    },
    "createdBy": {
      "type": "string"
    },
    "expiresAt": {
      "type": "string",
      "pattern": "^\\d+$",
      "description": "When the stored copy is deleted, 30 days after creation. Then downloads are 410 file_gone."
    }
  },
  "required": [
    "id",
    "origin",
    "name",
    "mediaType",
    "size",
    "sha256",
    "createdAt",
    "createdBy",
    "expiresAt"
  ],
  "description": "An immutable private copy of a file, kept for 30 days. Only its owner can read or download it."
}
```

### Error

```json
{
  "type": "object",
  "properties": {
    "error": {
      "type": "object",
      "properties": {
        "code": {
          "type": "string",
          "description": "Stable code, e.g. not_found, idempotency_conflict, session_working, usage_limit_exceeded. Open."
        },
        "type": {
          "description": "Category, e.g. invalid_request_error, authentication_error, usage_limit_error. Open.",
          "type": "string"
        },
        "message": {
          "type": "string"
        }
      },
      "required": [
        "code"
      ]
    }
  },
  "required": [
    "error"
  ]
}
```

## Authentication

```json
{
  "bearerAuth": {
    "type": "http",
    "scheme": "bearer"
  }
}
```