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PUT
/
filesystem-multipart
/
{uploadId}
/
part
Upload part
curl --request PUT \
  --url https://sbx-{sandbox_id}-{workspace_id}.{region}.bl.run/filesystem-multipart/{uploadId}/part \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form file='@example-file'
{
  "etag": "5d41402abc4b2a76b9719d911017c592",
  "partNumber": 1,
  "size": 5242880
}

Documentation Index

Fetch the complete documentation index at: https://docs.blaxel.ai/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Path Parameters

​
uploadId
string
required

Upload ID

Query Parameters

​
partNumber
integer
required

Part number (1-10000)

Body

multipart/form-data
​
file
file
required

Part data

Response

Part uploaded

​
etag
string
Example:

"5d41402abc4b2a76b9719d911017c592"

​
partNumber
integer
Example:

1

​
size
integer
Example:

5242880

Last modified on May 27, 2026