# klangzeile

> Text-to-speech and transcription API for German and English, hosted in the EU. Five voices; transcripts with speaker labels, structured summary, SRT/VTT subtitles and de/en translation, delivered once and then deleted. Monthly free allowance, then prepaid credit (no subscription).

## Docs

- [Quickstart](https://klangzeile.com/quickstart): first API call with curl, error codes
- [API reference](https://klangzeile.com/docs): interactive reference
- [OpenAPI](https://klangzeile.com/openapi.json): OpenAPI 3.1 description of the REST API
- [MCP server](https://klangzeile.com/docs/mcp): remote MCP endpoint https://klangzeile.com/mcp (Streamable HTTP, API key as 'Authorization: Bearer sk_…'), setup for Claude, Cursor, VS Code
- [MCP server card](https://klangzeile.com/.well-known/mcp/server-card.json): tools and input schemas

## Articles

- [Blog](https://klangzeile.com/blog)

## Optional

- [Sign up](https://klangzeile.com/signup): free allowance, no payment details
- [Terms](https://klangzeile.com/agb)
- [Privacy](https://klangzeile.com/datenschutz)