Fireflies · local API playground

Say it. See it in text.

Stream your voice or transcribe an audio file.
Your transcript appears here when you finish.

Audio input

00:00

Ready when you are

LanguageClean up text

No API key needed in your browser · 2 minute limit

Transcript

WAITING FOR AUDIO

Your words will appear here.

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API connection & examples

Backend URL

Streaming: ws://localhost:8787/v1/stream. Send a JSON start message, PCM binary frames, then a stop message. The server handles Fireflies authentication.

curl http://127.0.0.1:8787/v1/transcribe \
  -F 'audio=@audio.pcm;type=audio/pcm' \
  -F 'languages=en'

Open this page through the backend. Microphone capture needs localhost or HTTPS.