AssemblyAI

AssemblyAI API

The AssemblyAI API provides speech-to-text transcription, speaker diarization, sentiment analysis, chapter detection, PII redaction, and other audio intelligence capabilities via REST and WebSocket interfaces.

GitHub OpenAPI

Documentation

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Documentation
https://www.assemblyai.com/docs/
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GettingStarted
https://www.assemblyai.com/docs/getting-started/transcribe-an-audio-file
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Authentication
https://www.assemblyai.com/docs/concepts/authentication
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APIReference
https://www.assemblyai.com/docs/api-reference/overview

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/assemblyai/refs/heads/main/openapi/assemblyai-openapi-original.yml
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AsyncAPI
https://raw.githubusercontent.com/api-evangelist/assemblyai/refs/heads/main/openapi/assemblyai-asyncapi-original.yml