# Chartmetric Developer API > Public API documentation for the Chartmetric Developer API ## Guides - [Quickstart](https://apidocs.chartmetric.com/): Getting started with the Chartmetric Developer API. - [Authentication](https://apidocs.chartmetric.com/guides/authentication): How to obtain and use API tokens. - [Rate Limits & Plans](https://apidocs.chartmetric.com/guides/rate-limits): Plan tiers and rate limit policy. ## API Reference - [Interactive reference](https://apidocs.chartmetric.com/reference): Browseable HTML reference. - [Full markdown reference](https://apidocs.chartmetric.com/llms-full.txt): Complete OpenAPI dump in LLM-friendly markdown. - [Quickstart](https://apidocs.chartmetric.com/index.md) - [Authentication](https://apidocs.chartmetric.com/guides/authentication/index.md) - [Rate Limits & Plans](https://apidocs.chartmetric.com/guides/rate-limits/index.md) - [Connect AI Tools (MCP)](https://apidocs.chartmetric.com/guides/mcp/index.md)