> For the complete documentation index, see [llms.txt](https://developer.celigo.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.celigo.com/api/using-the-api.md).

# Using the API

Behavior that applies across every endpoint.

| Page                                                     | What it covers                                                                             |
| -------------------------------------------------------- | ------------------------------------------------------------------------------------------ |
| [Pagination](/api/using-the-api/pagination.md)           | Page through large result sets.                                                            |
| [Sort & filter](/api/using-the-api/sorting-filtering.md) | Narrow and order what comes back.                                                          |
| [Rate limits](/api/using-the-api/rate-limits.md)         | The throttling limits and how to stay under them.                                          |
| [Errors & status codes](/api/using-the-api/errors.md)    | Error response shapes and what each status means.                                          |
| [OpenAPI specs](/api/using-the-api/openapi-specs.md)     | Install the specs behind the API reference as files, for client generation and validation. |