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

# REST API

- [Introduction](https://developer.vario-software.de/documentation/rest-api/introduction.md): How to reach the VARIO Cloud REST API — base URL, tenant-specific endpoints, and the OpenAPI specification.
- [Authentication](https://developer.vario-software.de/documentation/rest-api/authentication.md): Obtain an access token with OAuth 2.0 — password, authorization code and device code grants.
- [Pagination and filtering](https://developer.vario-software.de/documentation/rest-api/pagination-and-filtering.md): How to page through results, sort them stably, and filter them.
- [Rate limiting](https://developer.vario-software.de/documentation/rest-api/rate-limiting.md): Learn about the rate limits the VARIO Cloud API enforces
- [Concepts](https://developer.vario-software.de/documentation/rest-api/concepts.md)
- [Documents](https://developer.vario-software.de/documentation/rest-api/concepts/documents.md)
- [Data import](https://developer.vario-software.de/documentation/rest-api/concepts/data-import.md): How an import runs through the API — the multi-part run, the ZIP in the DMS, steps, states, and the two waits you cannot skip.
- [FAQ](https://developer.vario-software.de/documentation/rest-api/faq.md): Frequently asked questions about API access, requests, data queries and custom fields.


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