> Sarvam Voice Agents (Samvaad) is a voice AI agent platform for Indian languages: build, test and deploy AI calling agents on your own phone numbers, from ₹3 a minute. Start here: https://docs.sarvam.ai/voice-agents/why-voice-agents.
> For clean Markdown of any page, append `.md` to the page URL.
> For a complete documentation index, see https://docs.sarvam.ai/llms.txt. For a section index, append `/llms.txt` to any section URL (for example https://docs.sarvam.ai/voice-agents/llms.txt).
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.sarvam.ai/_mcp/server.

# From OpenRouter

## Docs

- [Migrating from OpenRouter: Overview](https://docs.sarvam.ai/api/token-factory/migrations/from-openrouter/overview.md): Base URL, auth, model ID mapping, and SDK changes for teams moving open-weight model traffic from OpenRouter to Sarvam's OpenAI-compatible /v2 API.
- [Migrating Chat Completion from OpenRouter to Sarvam](https://docs.sarvam.ai/api/token-factory/migrations/from-openrouter/chat-completion.md): Request fields, reasoning, Responses API, and OpenRouter-only features to change when moving chat traffic from OpenRouter to Sarvam's /v2 API, with before/after code.
- [Migrating the Responses API from OpenRouter to Sarvam](https://docs.sarvam.ai/api/token-factory/migrations/from-openrouter/responses-api.md): Request fields, reasoning items, function tools, streaming, and OpenRouter-only options to change when moving Responses API calls from OpenRouter to Sarvam's /v2/responses.