# api Documentation > Documentation for api ## Guides - [Getting Started](https://api.readme.dev/docs/getting-started.md) - [Installation](https://api.readme.dev/docs/installation.md) - [Usage](https://api.readme.dev/docs/usage.md) - [How does it work?](https://api.readme.dev/docs/how-it-works.md) - [FAQ](https://api.readme.dev/docs/faq.md) - [Upgrading from v4 to v5](https://api.readme.dev/docs/upgrading-from-v4.md) - [Authentication](https://api.readme.dev/docs/authentication.md) - [Parameters and Payloads](https://api.readme.dev/docs/parameters-and-payloads.md) - [Server Configurations](https://api.readme.dev/docs/server-configurations.md) - [Making Requests](https://api.readme.dev/docs/making-requests.md)