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At a glance

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Credentials

Set these per environment. See Connect an integration.

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Setup

  1. Create an AssemblyAI account: Go to https://www.assemblyai.com/app and sign up. New accounts include free transcription credits for testing.
  2. Copy your API key: Your API key is shown on the dashboard home page after signing in. You can rotate it from account settings if needed.
  3. Store the key: Add the key to your .env file as ASSEMBLYAI_API_KEY=…
  4. Verify access: Run the List Transcripts tool to confirm the key works, then submit a sample file such as https://assembly.ai/wildfires.mp3

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Provider notes

  • Authentication sends the raw API key in the Authorization header - no Bearer prefix
  • Transcription is asynchronous: Submit Transcript returns an id with status ‘queued’; poll Get Transcript until status is ‘completed’
  • Transcription is billed per hour of audio once free credits are exhausted; EU data residency uses api.eu.assemblyai.com instead
Provider API reference.

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Tools

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Verify the connection

Call a read tool such as assemblyai__get_transcript with arguments for your account. Confirm that the result comes from the intended account or workspace before enabling write tools.