Upload Session Start Batch

POST

https://api.dropboxapi.com/2/files/upload_session/start_batch

Start a batch of upload sessions. See upload_session/start. Calls to this endpoint will count as data transport calls for any Dropbox Business teams with a limit on the number of data transport calls allowed per month. For more information, see the Data transport limit page https://www.dropbox.com/developers/reference/data-transport-limit.

Required scope: files.content.write

Endpoint format: RPC

Authentication: User, Dropbox-API-Select-Admin (Team Admin)

Start a batch of upload sessions. See [upload_session/start](api:dropbox-api:POST/2/files/upload_session/start). Calls to this endpoint will count as data transport calls for any Dropbox Business teams with a limit on the number of data transport calls allowed per month. For more information, see the Data transport limit page https://www.dropbox.com/developers/reference/data-transport-limit. **Required scope:** `files.content.write` **Endpoint format:** [RPC](https://docs.dropboxapi.com/dropbox-api/docs/technical-reference/request-response-formats#rpc-endpoints) **Authentication:** [User](https://docs.dropboxapi.com/dropbox-api/docs/auth-types#user-authentication), [Dropbox-API-Select-Admin (Team Admin)](https://docs.dropboxapi.com/dropbox-api/docs/auth-types#admin-authentication-via-dropbox-api-select-admin)

Authentication

AuthorizationBearer

OAuth 2.0 token issued to a specific user. Use Authorization: Bearer <token>.

Public clients should use the authorization code flow with PKCE (S256).

For background or offline access, send token_access_type=offline during authorization and use the returned refresh token to obtain new access tokens.

You can generate a short-lived access token from the App Console; see Testing with a generated token.

OAuth 2.0 token issued to a specific user. Use `Authorization: Bearer <token>`. Public clients should use the authorization code flow with PKCE (S256). For background or offline access, send `token_access_type=offline` during authorization and use the returned refresh token to obtain new access tokens. You can generate a short-lived access token from the App Console; see [Testing with a generated token](https://docs.dropboxapi.com/dropbox-api/docs/oauth#testing-with-a-generated-token).

Headers

Dropbox-API-Path-RootstringOptional

Scopes path-based operations to a namespace (root). The value is a JSON serialization of the common.PathRoot union: {".tag": "home"}, {".tag": "root", "root": "<namespace_id>"}, or {".tag": "namespace_id", "namespace_id": "<namespace_id>"}. On failure the request returns 422 with a common.PathRootError.

Scopes path-based operations to a namespace (root). The value is a JSON serialization of the `common.PathRoot` union: `{".tag": "home"}`, `{".tag": "root", "root": "<namespace_id>"}`, or `{".tag": "namespace_id", "namespace_id": "<namespace_id>"}`. On failure the request returns 422 with a `common.PathRootError`.

Request

This endpoint expects an object.

num_sessionsuint64Required1-1000

The number of upload sessions to start.

session_typeobject or nullOptional

Type of upload session you want to start. If not specified, default is UploadSessionType.sequential.

Response headers

X-Dropbox-Request-IdstringOptional

A unique identifier for the request, useful for debugging and support.

Response

Successful response

session_idslist of strings

A List of unique identifiers for the upload session. Pass each session_id to upload_session/append:2 and upload_session/finish.

Errors

401

Unauthorized Error

403

Forbidden Error

409

Conflict Error

429

Too Many Requests Error

500

Internal Server Error