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POST
/
v1
/
bridges
/
cognigy
/
stt
/
{model_variant}
Cognigy STT Bridge
curl --request POST \
  --url https://api.slng.ai/v1/bridges/cognigy/stt/{model_variant} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form audio='@example-file' \
  --form 'language=<string>'
{
  "type": "transcription",
  "is_final": true,
  "alternatives": [
    {
      "confidence": 123,
      "transcript": "<string>"
    }
  ],
  "channel": 123,
  "language": "<string>"
}

Authorizations

​
Authorization
string
header
required

API key issued by SLNG. Pass as Authorization: Bearer <token>.

Path Parameters

​
model_variant
enum<string>
required

Target STT model. Must support WebSocket streaming with final_transcript.

Available options:
deepgram/nova:2,
deepgram/nova:3,
deepgram/nova:3-medical,
slng/deepgram/nova:3-en,
slng/deepgram/nova:3-es,
slng/deepgram/nova:3-hi,
slng/deepgram/nova:3-multi,
slng/openai/whisper:large-v3,
slng/openai/whisper:large-v3-compressed

Body

multipart/form-data

Cognigy STT request.

​
audio
file
required

Audio file to transcribe.

​
language
string

Language code.

Response

Transcription successful.

Cognigy STT transcription response.

​
type
enum<string>
required

Response type.

Available options:
transcription
​
is_final
boolean
required

Whether this is a final transcription.

​
alternatives
object[]
required

Transcription alternatives.

​
channel
integer

Audio channel number.

​
language
string

Detected language code.