Conversation API Release Notes

See how the Sinch Conversation API is evolving and find out about new features and bug fixes.

2021-07-28

  • Facebook Media Messages now support image, audio, video and document types
  • Improved error messages for MMS channel media validation
  • Viber Bot channel user profile query support

2021-07-14

  • Release of KakaoTalk channel support Beta
  • Improvements in validating content for WhatsApp message requests
  • Validation of phone number contact identities

2021-07-08

  • Release of Telegram channel support Beta

2021-06-24

  • Improvements in transcoding of CardMessage and CarouselMessage for Instagram channel

2021-06-23

  • Improvements on MMS channel for handling choice responses and contact messages that contain media attachments
  • Improvements in message request validation
  • Enable setting contact metadata in message request for newly created contacts
  • Handling of Suspended state for WhatsApp bots

2021-06-09

  • Bugfixes in the CardMessage text formatting on WhatsApp and Viber Business channels
  • Improvements for WhatsApp channel error response mapping and forwarding
  • Support for vCard .vcf files on MMS channel in MediaMessage and CardMessage
  • Support for MMSSTRICTVALIDATION channel property to validate MMS media message contents against best practices
  • Support for contact based retention policy
  • New feature in Contact Management: enables fetching user profile from channels (this first release only supports Facebook Messenger)

2021-06-02

  • Release of Instagram channel support Beta

2021-05-26

  • Bugfix for supporting RCS CardMessage without media
  • Improvements in retention policy execution

2021-05-12

  • Improved request body validation
  • Support for SMS_SENDER channel property to populate originator on SMS channel
  • Added support for sending and receiving documents on Viber Business Messaging
  • Improved error response mapping and forwarding on Viber Business and SMS channels
  • Bugfix for keeping card order in RCS CarouselMessages

2021-04-28

  • Improvements in Viber Business Messaging transcoding with text formatting
  • Various bugfixes

2021-04-14

  • Add support for MMS
  • Add validation of URLs in MT messages
  • Add validation against duplicated callback triggers
  • Handle ChoiceResponseMessages on Viber Bot that have no match in the choice tracking data
  • Fix prematurely closed HTTP connection exceptions for WhatsApp