Chapter 4. Yahoo Messenger File Transfer API

Getting Started

The following sections will help you to get familiar with the Yahoo Messenger File Transfer API.

Basic Guidelines

  1. All APIs require OAuth. Relay server supports OAuth either as query parameters or as an HTTP Authentication header.
  2. All APIs require a file transfer token.
  3. All tokens are valid only to the relay server for 30 seconds after they are issued.


  • Production:

Supported Content Types


Error Definitions

The following table lists the specific error definitions for the Yahoo Messenger File Transfer API.

HTTP Status Description
200 Success
400 Bad request - server is not able to handle/parse the incoming request.
404 Not found - Unsupported request or the client sent bad Yahoo credentials or Yahoo credentials are missing.
500 Service Error - Invalid or missing token

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