post/channels/{channel_id}/attachments/complete

Finalize multipart attachment uploads

Finalizes one or more multipart attachment uploads. Called after all chunks have been PUT to their presigned URLs. The server lists the uploaded parts and issues S3 CompleteMultipartUpload. Returns the finalized upload keys, which can be referenced in a subsequent message create request.

complete_multipart_message_attachment_uploads

Parameters

Name	In	Type	Description
channel_id*	path	SnowflakeType	The ID of the channel

Request body

application/json

json

{
  "type": "object",
  "properties": {
    "uploads": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/CompleteMultipartAttachmentUploadItem"
      },
      "minItems": 1,
      "maxItems": 10,
      "description": "Multipart uploads to finalize"
    }
  },
  "required": [
    "uploads"
  ]
}

Responses

200

Success

json

{
  "type": "object",
  "properties": {
    "uploads": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/CompleteMultipartAttachmentUploadResult"
      },
      "description": "Finalized upload keys"
    }
  },
  "required": [
    "uploads"
  ]
}

400

Bad Request - The request was malformed or contained invalid data

json

{
  "type": "object",
  "properties": {
    "code": {
      "$ref": "#/components/schemas/APIErrorCode"
    },
    "message": {
      "type": "string",
      "description": "Human-readable error message"
    },
    "errors": {
      "type": "array",
      "description": "Field-specific validation errors",
      "items": {
        "$ref": "#/components/schemas/ValidationErrorItem"
      }
    }
  },
  "required": [
    "code",
    "message"
  ]
}

401

Unauthorized - Authentication is required or the token is invalid

json

{
  "type": "object",
  "properties": {
    "code": {
      "$ref": "#/components/schemas/APIErrorCode"
    },
    "message": {
      "type": "string",
      "description": "Human-readable error message"
    },
    "errors": {
      "type": "array",
      "description": "Field-specific validation errors",
      "items": {
        "$ref": "#/components/schemas/ValidationErrorItem"
      }
    }
  },
  "required": [
    "code",
    "message"
  ]
}

403

Forbidden - You do not have permission to perform this action

json

{
  "type": "object",
  "properties": {
    "code": {
      "$ref": "#/components/schemas/APIErrorCode"
    },
    "message": {
      "type": "string",
      "description": "Human-readable error message"
    },
    "errors": {
      "type": "array",
      "description": "Field-specific validation errors",
      "items": {
        "$ref": "#/components/schemas/ValidationErrorItem"
      }
    }
  },
  "required": [
    "code",
    "message"
  ]
}

429

Too Many Requests - You are being rate limited

json

{
  "type": "object",
  "properties": {
    "code": {
      "type": "string",
      "enum": [
        "RATE_LIMITED"
      ]
    },
    "message": {
      "type": "string"
    },
    "retry_after": {
      "type": "number",
      "description": "Seconds to wait before retrying"
    },
    "global": {
      "type": "boolean",
      "description": "Whether this is a global rate limit"
    }
  },
  "required": [
    "code",
    "message",
    "retry_after"
  ]
}

500

Internal Server Error - An unexpected error occurred

json

{
  "type": "object",
  "properties": {
    "code": {
      "$ref": "#/components/schemas/APIErrorCode"
    },
    "message": {
      "type": "string",
      "description": "Human-readable error message"
    },
    "errors": {
      "type": "array",
      "description": "Field-specific validation errors",
      "items": {
        "$ref": "#/components/schemas/ValidationErrorItem"
      }
    }
  },
  "required": [
    "code",
    "message"
  ]
}