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The Record endpoint lets you start and stop recording specific portions of an active call. Create multiple recordings on the same call, choose audio formats, and enable automated transcription for compliance and quality assurance.
Always comply with local recording consent laws and inform participants when calls are being recorded.

Key features

Multiple recordings

Create multiple recordings on the same call to capture specific portions or conversations.

Format options

Choose between MP3 and WAV. MP3 files are smaller and recommended for most use cases.

Auto transcription

Enable automated transcription with turnaround under 5 minutes for supported durations.

Channel options

Record in mono or stereo. Stereo separates caller and callee into left/right channels.

Completion callbacks

Receive HTTP callbacks when recordings complete with URLs to download the audio files.

Time limits

Set maximum recording durations to control file sizes and storage costs.

Available operations

Start recording

POST - Start recording an active call with customizable format, transcription, and callback options.

Stop recording

DELETE - Stop an active recording on a call.

Common use cases

  • Compliance & legal - Record calls for regulatory compliance, dispute resolution, and legal documentation.
  • Quality assurance - Monitor customer service quality, agent performance, and script adherence.
  • Training & development - Use recorded calls for agent training, onboarding, and skill development.
  • Transcription & analysis - Generate transcripts for sentiment analysis, keyword extraction, and call analytics.
  • Customer records - Maintain detailed interaction history for CRM integration.

Best practices

Use MP3 format - MP3 files are significantly smaller than WAV, reducing storage costs and bandwidth. Use MP3 unless you need uncompressed audio.
Transcription limits - Transcription is available for English calls between 500ms and 4 hours, and under 2GB. Factor these limits into your design.
Use stereo for multi-party calls - Stereo recording separates speakers into left/right channels for easier analysis and transcription.