STT

Field	Type	Description
`config_data.stt_provider`	string (enum)	Speech-to-text engine used to transcribe the caller.
`config_data.stt_language`	string	Language(s) STT listens in.
`config_data.inworld_stt_config`	object	Provider-specific STT tuning (only used when the provider is `inworld`).

stt_provider values:

groq
deepgram
inworld

If omitted, STT uses the platform default. stt_language accepts a language code such as hi-IN, en-IN, or ta-IN, or the special value multi for auto-detection on multilingual campaigns.

Example:

json

{
  "config_data": {
    "stt_provider": "deepgram",
    "stt_language": "hi-IN"
  }
}