
Grok Voice Agent API: Endpoint, Pricing, and Quickstart Guide (April 2026)
xAI's developer-facing realtime voice route is the Grok Voice Agent API at `wss://api.x.ai/v1/realtime`. The current public self-serve surface shows `$0.05 / min`, `100` concurrent sessions per team, and a `30` minute max session. Use a server API key on trusted backends, ephemeral tokens for browser or mobile clients, and switch to the separate TTS API when you only need one-shot speech generation.
























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