Documentation

Build with Rexa.ai

From first-call quickstart to production operation. Pick a guide below, or jump straight into the API reference.

— Start here

Signup → create an API key → configure a provider → place your first call in under 5 minutes.

API-key auth, scopes, rotation, and the four different key environments. Magic-link vs password trade-offs.

POST /v1/calls, idempotency, provider selection, cost estimation.

Create + share a signed URL customers open to speak with your agent.

HMAC-signed outbound events. Event catalog + retry semantics.

Let your agent invoke your APIs mid-conversation. Schema + endpoint format.

Connect Telnyx, Twilio, or Plivo. BYO telecom model explained.

TCPA, DNC, recording consent, voice-clone consent, GDPR.

Type-safe clients for Node.js / TypeScript and Python. Install, import, ship.

Every endpoint, parameter, and response — generated from the OpenAPI spec.