Desktop API Changelog

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Version v4.2.557 (2026-02-13) Latest

Added

• Desktop API discovery - New GET /v1/info endpoint provides app metadata, runtime info, and endpoint discovery for the running Desktop API server.
• WebSocket events - New live events endpoint at GET /v1/ws with per-chat subscriptions via subscriptions.set.
• Message reactions - New message reaction endpoints:
  • POST /v1/chats/{chatID}/messages/{messageID}/reactions
  • DELETE /v1/chats/{chatID}/messages/{messageID}/reactions
• Token introspection - New POST /oauth/introspect endpoint uses application/x-www-form-urlencoded and returns active/inactive token metadata.
• Contacts list - New GET /v1/accounts/{accountID}/contacts/list endpoint for cursor-based merged contact listing.

Changed

• Chat creation behavior - POST /v1/chats now supports mode=start to create or resolve direct chats from merged contact data and returns status=existing|created in that mode.
• Account schema - network is no longer returned from Account; use accountID plus user and contact/query behavior instead.