Create Provider
Link a telephony provider account. For Twilio, credentials are validated before the provider is created. Each account SID + region combination can only be linked once. For SIP trunks, configure a trunk with an inbound and/or outbound configuration.
Authorizations
Cartesia API key (sk_car_...). Get one at play.cartesia.ai/keys.
Headers
API version header.
2026-03-01 "2026-03-01"
Body
- Twilio
- SIP Trunk
- SIP Trunk
Request body for linking a telephony provider. Discriminated by type.
Twilio:
- Credentials are validated against Twilio before the provider is created
- Each account SID + region combination can only be linked once
Must be "twilio".
twilio Your Twilio account SID.
A Twilio API key SID.
The corresponding API key secret.
The Twilio region the phone number and API key are configured for. us1 (US), ie1 (Ireland), au1 (Australia). Default is us1.
us1, ie1, au1 An optional human-readable label for the provider.
1Response
Provider created.
- Twilio
- SIP Trunk
A linked Twilio account. The api_key_sid field is partially masked in responses.
Always "twilio".
twilio Unique identifier for the provider.
The Twilio account SID.
The Twilio API key SID (partially masked).
The Twilio region the phone number and API key are configured for. us1 (US), ie1 (Ireland), au1 (Australia). Default is us1.
us1, ie1, au1 A human-readable label for the provider.