App
This endpoint performs App Authentication, validating the supplied app key and secret,
and returns the supplied string, to allow you to test your code and connection to the
Dropbox API. It has no other effect. If you receive an HTTP 200 response with the supplied
query, it indicates at least part of the Dropbox API infrastructure is working and that the
app key and secret valid.
**Endpoint format:** [RPC](https://docs.dropboxapi.com/dropbox-api/docs/technical-reference/request-response-formats#rpc-endpoints)
**Authentication:** [App](https://docs.dropboxapi.com/dropbox-api/docs/auth-types#app-authentication)
Authentication
AuthorizationBearer
App-level OAuth 2.0 token (no user context). Use Authorization: Bearer <token>.
Obtain by calling the token endpoint with grant_type=client_credentials.
Only available on endpoints that declare app auth support.
Request
This endpoint expects a nullable object.
query
The string that you'd like to be echoed back to you.
Response headers
X-Dropbox-Request-Id
A unique identifier for the request, useful for debugging and support.
Response
Successful response
result
If everything worked correctly, this would be the same as query.
Errors
401
Unauthorized Error
403
Forbidden Error
409
Conflict Error
429
Too Many Requests Error
500
Internal Server Error