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

# API Reference

- [GetToken](https://docs.onvision.ai/api-book/api/gettoken.md): Use this method to get a token
- [GetCredit](https://docs.onvision.ai/api-book/api/untitled.md): Use this method to see your remaining credits
- [GetCategories](https://docs.onvision.ai/api-book/api/getcategories.md): Use this method to get your categories
- [ExtractDocument](https://docs.onvision.ai/api-book/api/extractdocument.md): This method is used to extract documents
- [AsyncExtractDocument](https://docs.onvision.ai/api-book/api/asyncextractdocument.md): Use this method to receive a the UUID of your extracted document.
- [GetDocumentByUUID](https://docs.onvision.ai/api-book/api/getdocumentbyuuid.md): Use this method to retrieve the extracted document
- [GetDocumentsByDateRange](https://docs.onvision.ai/api-book/api/getdocumentsbydaterange.md): Use this method to retrieve all results within a date range
- [GetDocumentTypesByCategoryUUID](https://docs.onvision.ai/api-book/api/getdocumenttypesbycategoryuuid.md): Use this method to get your document types.