Upload Session Files

Get presigned PUT URLs for uploading files to a session’s workspace.

Files are placed under uploads/ in the session’s S3 prefix. After receiving the URLs, PUT each file directly to S3 using the returned uploadUrl with the matching Content-Type header.

POST /sessions/{session_id}/files/upload

Upload Session Files

JavaScript

const options = {
  method: 'POST',
  headers: {'X-Browser-Use-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({files: [{name: '<string>', contentType: 'application/octet-stream', size: 2}]})
};

fetch('https://api.browser-use.com/api/v3/sessions/{session_id}/files/upload', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

200

{
  "files": [
    {
      "name": "<string>",
      "uploadUrl": "<string>",
      "path": "<string>"
    }
  ]
}

Authorizations

X-Browser-Use-API-Key · string · header · required

Path Parameters

session_id · string<uuid> · required

Body

application/json

Request body for generating presigned upload URLs.

files · FileUploadItem · object[] · required

Required array length: 1 - 10 elements

Show child attributes

Response

200

application/json

Successful Response

Presigned upload URLs for the requested files.

files · FileUploadResponseItem · object[] · required

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