> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.formantai.com/api-reference/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.formantai.com/_mcp/server.

# API Reference

## Docs

- [API Overview](https://docs.formantai.com/api-reference/overview.md): Understand FormantAI Voice REST API structure, auth, resources, and usage patterns.
- [Make a Call](https://docs.formantai.com/api-reference/make-call.md): Start one outbound call with a configured FormantAI Voice agent.
- [Batch Calls](https://docs.formantai.com/api-reference/batch-calls.md): Upload CSV campaigns and inspect batch call performance.
- [Conversations](https://docs.formantai.com/api-reference/conversations.md): Retrieve call history, transcripts, structured results, and recordings.
- [Transcription](https://docs.formantai.com/api-reference/transcription.md): Submit audio files for asynchronous transcription.
- [Podcast](https://docs.formantai.com/api-reference/podcast.md): Render source material into a multi-speaker audio episode and download the finished MP3 or MP4.
- [Text to Speech](https://docs.formantai.com/api-reference/text-to-speech.md): Voice a batch of texts with ElevenLabs, Sarvam, Smallest or Vakyam and download one audio clip per text.
- [Decision Generation](https://docs.formantai.com/api-reference/decision-generation.md): Run a managed prompt over your input and get back a JSON decision in the shape you need.
- [Errors & Rate Limits](https://docs.formantai.com/api-reference/errors-rate-limits.md): Handle API errors, rate limits, idempotency, and concurrency limits.

## API Docs

- FormantAI Voice API > Calls [Make an outbound call](https://docs.formantai.com/api-reference/formant-ai-voice-api/calls/create-call.md)
- FormantAI Voice API > Batch Calls [Create a batch call](https://docs.formantai.com/api-reference/formant-ai-voice-api/batch-calls/create-batch-call.md)
- FormantAI Voice API > Batch Calls [List batch calls](https://docs.formantai.com/api-reference/formant-ai-voice-api/batch-calls/list-batch-calls.md)
- FormantAI Voice API > Batch Calls [Get a batch call](https://docs.formantai.com/api-reference/formant-ai-voice-api/batch-calls/get-batch-call.md)
- FormantAI Voice API > Batch Calls [Get batch metrics](https://docs.formantai.com/api-reference/formant-ai-voice-api/batch-calls/get-batch-call-metrics.md)
- FormantAI Voice API > Conversations [List conversations](https://docs.formantai.com/api-reference/formant-ai-voice-api/conversations/list-conversations.md)
- FormantAI Voice API > Conversations [Get a conversation](https://docs.formantai.com/api-reference/formant-ai-voice-api/conversations/get-conversation.md)
- FormantAI Voice API > Conversations [Download conversation recording](https://docs.formantai.com/api-reference/formant-ai-voice-api/conversations/get-conversation-recording.md)
- FormantAI Voice API > Transcription [Submit transcription job](https://docs.formantai.com/api-reference/formant-ai-voice-api/transcription/submit-transcription-job.md)
- FormantAI Voice API > Transcription [Get transcription job](https://docs.formantai.com/api-reference/formant-ai-voice-api/transcription/get-transcription-job.md)
- FormantAI Voice API > Podcast [Submit an episode from text](https://docs.formantai.com/api-reference/formant-ai-voice-api/podcast/submit-podcast.md)
- FormantAI Voice API > Podcast [Create a PDF upload URL](https://docs.formantai.com/api-reference/formant-ai-voice-api/podcast/create-podcast-upload.md)
- FormantAI Voice API > Podcast [Submit an episode from an uploaded PDF](https://docs.formantai.com/api-reference/formant-ai-voice-api/podcast/submit-podcast-from-pdf.md)
- FormantAI Voice API > Podcast [Get an episode](https://docs.formantai.com/api-reference/formant-ai-voice-api/podcast/get-podcast-job.md)
- FormantAI Voice API > Text to Speech [Submit a text-to-speech batch](https://docs.formantai.com/api-reference/formant-ai-voice-api/text-to-speech/submit-tts-batch.md)
- FormantAI Voice API > Text to Speech [Get a text-to-speech batch](https://docs.formantai.com/api-reference/formant-ai-voice-api/text-to-speech/get-tts-batch.md)
- FormantAI Voice API > Decision Generation [Generate a decision](https://docs.formantai.com/api-reference/formant-ai-voice-api/decision-generation/create-decision.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.formantai.com/openapi.json)
- [OpenAPI YAML](https://docs.formantai.com/openapi.yaml)