POST Multipart Upload

Overview

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The following table contains important information about the POST method in regards to start multipart upload.

POST Method
Method	POST
URL or Endpoint	/api/projects/projectId/uploads/multipart
Headers	Authorization
Parameters	projectId
Body	partsNumber,fileName,contentLength,mineType

The description of the URL parameter is as follows:

projectId Parameter
URL Parameter Name	projectId
Mandatory	Yes
Type	string
Description	Unique Id of the project.

Request Body

{
    "partsNumber": 3,
    "fileName": "fileName",
    "contentLength": "contentLength",
    "mimeType": "video/mp4"
}

The description of the parameters is as follows:

Body Parameter Name	Mandatory	Type	Description
partsNumber	Yes	integer	The total number of parts the file is divided into.
fileName	Yes	string	The name of the file being uploaded.
contentLength	Yes	string	The total size of the file in bytes.
mimeType	Yes	string	The MIME type of the file (e.g., "video/mp4").

Response

{
  "success": true,
  "errors": [],
  "messages": [],
  "result": {
    "uploadId": "uploadId",
    "requestKey": "requestKey",
    "presignedUrl": [
      {
        "partNumber": 1,
        "presignedUrl": "presignedUrl"
      },
      {
        "partNumber": 2,
        "presignedUrl": "presignedUrl"
      },
      {
        "partNumber": 3,
        "presignedUrl": "presignedUrl"
      }
    ]
  },
  "resultInfo": null,
  "statusCode": 200
}

Information about the fields that appear when you receive the response are displayed in the table below.

Field Name	Type	Description
success	bool	If the response is successful it will return true. Otherwise, it will return false.
errors	array[string]	Indicates if there was an error.
messages	array[string]	Returns the response message from the back-end.
result	object	Returns the main response object containing upload details.
uploadId	string	Unique identifier for the upload session.
requestKey	string	A unique key associated with the request.
presignedUrl	array[object]	Array of objects, each containing a part number and the corresponding presigned URL for uploading.
partNumber	integer	The part number for each segment of the upload.
presignedUrl	string	The presigned URL to upload a specific part of the file.
resultInfo	string	Returns extra information about the result, if any.
statusCode	integer($int32)	Returns the HTTP Status Code.

If the action is successful, the service sends back an HTTP 200 or 201 response.

Errors

For information about the errors that are common to all actions, see Common Errors:

• HTTP Status Code 400: Bad Request

• HTTP Status Code 401: Unauthorized

• HTTP Status Code 403: Forbidden

• HTTP Status Code 404: Result Not Found

• HTTP Status Code 500: Internal Server Error

• HTTP Status Code 503: Backend Fetch Failed