Find the right API
Use search when the broad directory stops being enough. Filter by category, auth, CORS, signup friction, and result freshness until the shortlist becomes obvious.
Start with category and auth when you know the integration shape. Use free, signup, and CORS flags when you are trying to remove setup friction.
Sort by verification or response time when the final call is about reliability, not just category fit.
2 results after 1 active filters. Remove any one below without losing the rest of the cut.
Amazon Connect Participant Service
Amazon Connect Participant Service API enables Amazon Connect chat participants (agents and customers) to exchange messages, attachments, and status.
Twilio - Chat
Twilio Chat v1 is a sunset real-time chat SDK backend (superseded by Conversations). Existing projects still work; new projects should use Conversations API.