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A gateway between the XMPP and the WhatsApp IM networks
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transWhat is a WhatsApp XMPP Gateway based on Spectrum 2 and Yowsup 2.


For support and discussions please join the XMPP MUC:


  • Typing notifications
  • Receive images, audio & video
  • Set/get online status
  • Set status message
  • Groupchats


transWhat requires a running and configured XMPP server. Detailed instructions can be found on the Installation page.

Users find details on the Usage page.


  • yowsup-1 My original version which is based on @tgalal first Yowsup version (deprecated and broken).
  • yowsup-2 Major rewrite from @moyamo for @tgalal’s new Yowsup 2 (recommended).

For production, please use the yowsup-2 branch.


Pull requests, bug reports etc. are welcome. Help us to provide a open implementation of the WhatsApp protocol.

The following persons have contributed major parts of this code:

  • @stv0g (Steffen Vogel): Idea and initial implementation based on Yowsup 1
  • @moyamo (Mohammed Yaseen Mowzer): Port to Yowsup 2
  • @DaZZZl: Improvements to group chats, media & message receipts


transWhat is licensed under the GPLv3 license.


  • An outdated project wiki is available here.
  • An outdated writeup of this project is also availabe at my blog.
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