Deepgram - Portkey Docs

Deepgram API is currently supported on Portkey’s REST API, with support for Python & Node SDKs coming soon.

Speech to Text API

We set the target Deepgram API URL with the x-portkey-custom-host header
We set the target provider as openai to let Portkey know that this request should be handled similarly to OpenAI

Local File
Remote File

curl 'https://api.portkey.ai/v1/listen' \
  -H 'Authorization: Token $DEEPGRAM_API_KEY' \
  -H 'Content-Type: audio/mp3' \
  -H 'x-portkey-custom-host: https://api.deepgram.com/v1' \
  -H 'x-portkey-provider: openai' \
  -H 'x-portkey-api-key: $PORTKEY_API_KEY' \
  --data-binary '@audio.mp3'

curl 'https://api.portkey.ai/v1/listen' \
  -H 'Authorization: Token $DEEPGRAM_API_KEY' \
  -H 'Accept: application/json' \
  -H 'Content-Type: application/json' \
  -H 'x-portkey-custom-host: https://api.deepgram.com/v1' \
  -H 'x-portkey-provider: openai' \
  -H 'x-portkey-api-key: $PORTKEY_API_KEY' \
  -d '{"url": "https://dpgr.am/spacewalk.wav"}'

Refer to Deepgram API docs for more info.

Last modified on April 8, 2026

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​Speech to Text API

Refer to Deepgram API docs for more info.

Speech to Text API