# Chaiz Partner API Documentation

> Integration guides and API reference for the Chaiz Partner API

## Chaiz Partner API

- [Introduction](https://dev-docs.chaiz.com/getting-started/index.md): Sell vehicle service contracts through the Chaiz Partner API
- [Quickstart](https://dev-docs.chaiz.com/getting-started/quickstart/index.md): Get an API key, run a live plan search, and make a test purchase
- [Authentication](https://dev-docs.chaiz.com/getting-started/authentication/index.md): Get an API key, use it, rotate it, and keep it safe
- [Choose Your Integration](https://dev-docs.chaiz.com/getting-started/choose-your-integration/index.md): Two ways to integrate with Chaiz, and how to pick the one that fits you
- [Going Live](https://dev-docs.chaiz.com/getting-started/going-live/index.md): From a working UAT integration to production. What we configure, what we need from you, what we review, and what happens after.
- [Send a Lead](https://dev-docs.chaiz.com/guides/send-a-lead/index.md): Post a customer and a vehicle, and Chaiz quotes and follows up by email
- [Search & Hand Off](https://dev-docs.chaiz.com/guides/search-and-hand-off/index.md): Search for plans, show them on your surface, and send the customer to Chaiz to buy
- [Postback & Attribution](https://dev-docs.chaiz.com/guides/postback/index.md): How a sale is credited to you, and how we tell your endpoint about it.
- [Plan Search Reference](https://dev-docs.chaiz.com/reference/plan-search/index.md): Vehicle identification, request options, filters, response shapes, and making searches faster
- [Restrictions & Limitations](https://dev-docs.chaiz.com/reference/restrictions/index.md): Why a search returns no plans, or fewer than expected. Vehicle, state, and EV limits.
- [UI Requirements](https://dev-docs.chaiz.com/reference/ui-requirements/index.md): What your results page must show when you render Chaiz plans yourself, and what we review before production is switched on.
- [API Reference](https://dev-docs.chaiz.com/reference/api-reference/index.md)
- [Errors & Rate Limits](https://dev-docs.chaiz.com/reference/errors/index.md): The error envelope, every error code, and how rate limiting works
- [AI Assistants (MCP)](https://dev-docs.chaiz.com/reference/mcp/index.md): Connect Chaiz to ChatGPT, Claude, Cursor, and any AI assistant via the Model Context Protocol