12 Sep 2026: rate limits and credit gating
Requests are rate-limited per workspace, and dialling endpoints refuse to start calls when the workspace has no credit.
24 Aug 2026: campaign API parity
The campaign endpoints accept everything the dashboard wizard does, including business hours and holidays. See Create campaign.
8 Jul 2026: JSON transcripts
Call transcripts are returned as structured JSON turns. See Get call.
3 Jun 2026: API v1
First release of the public API with workspace API keys.