# KlearStack API Documentation

## KlearStack API Documentation

- [Welcome to KlearStack's API Documentation](https://klearstack.gitbook.io/klearstack-api-documentation/welcome-to-klearstacks-api-documentation.md): KlearStack is a leading Document Intelligence SaaS platform. It leverages Artificial Intelligence to interpret, capture, validate, transform, and reconcile data from unstructured documents.
- [Get Access Token](https://klearstack.gitbook.io/klearstack-api-documentation/authentication-and-user-details/get-access-token.md)
- [Get User ID](https://klearstack.gitbook.io/klearstack-api-documentation/authentication-and-user-details/get-user-id.md)
- [Get Access Token From UserID](https://klearstack.gitbook.io/klearstack-api-documentation/authentication-and-user-details/get-access-token-from-userid.md)
- [Get New Access Token Using Existing Refresh Token](https://klearstack.gitbook.io/klearstack-api-documentation/authentication-and-user-details/get-new-access-token-using-existing-refresh-token.md)
- [Upload A Single Document And Get Batch ID](https://klearstack.gitbook.io/klearstack-api-documentation/upload-documents/upload-a-single-document-and-get-batch-id.md)
- [Upload Multiple Documents In A Zip Folder And Get Batch Id](https://klearstack.gitbook.io/klearstack-api-documentation/upload-documents/upload-multiple-documents-in-a-zip-folder-and-get-batch-id.md)
- [Get Extracted Results For Invoices In a Batch Id](https://klearstack.gitbook.io/klearstack-api-documentation/fetch-documents/get-extracted-results-for-invoices-in-a-batch-id.md)
- [Get Extracted Results For Invoices In Between Date Range](https://klearstack.gitbook.io/klearstack-api-documentation/fetch-documents/get-extracted-results-for-invoices-in-between-date-range.md)
- [Get Extracted Results For Invoices In a Set](https://klearstack.gitbook.io/klearstack-api-documentation/fetch-documents/get-extracted-results-for-invoices-in-a-set.md)
- [Get Results of Invoices Accessible By A Specific User](https://klearstack.gitbook.io/klearstack-api-documentation/fetch-documents/get-results-of-invoices-accessible-by-a-specific-user.md)
- [Get Results of Modified Invoices since the last pull](https://klearstack.gitbook.io/klearstack-api-documentation/fetch-documents/get-results-of-modified-invoices-since-the-last-pull.md)
- [Get Results of Approved Invoices Using Date Filter](https://klearstack.gitbook.io/klearstack-api-documentation/fetch-documents/get-results-of-approved-invoices-using-date-filter.md)
- [Get details of a Document](https://klearstack.gitbook.io/klearstack-api-documentation/fetch-documents/get-details-of-a-document.md)
- [Update Document](https://klearstack.gitbook.io/klearstack-api-documentation/update-documents/update-document.md)
- [Update Results of Approved Invoices with QuickBooks Enterprise Response](https://klearstack.gitbook.io/klearstack-api-documentation/update-documents/update-results-of-approved-invoices-with-quickbooks-enterprise-response.md)
- [Approve or Reject a Document](https://klearstack.gitbook.io/klearstack-api-documentation/update-documents/approve-or-reject-a-document.md)
- [Push Annotated Text for a Document to KlearStack](https://klearstack.gitbook.io/klearstack-api-documentation/update-documents/push-annotated-text-for-a-document-to-klearstack.md)
- [Get Image of Document](https://klearstack.gitbook.io/klearstack-api-documentation/document-images/get-image-of-document.md)
- [PUSH API Structure](https://klearstack.gitbook.io/klearstack-api-documentation/push-api/push-api-structure.md)
- [Retry Push API](https://klearstack.gitbook.io/klearstack-api-documentation/push-api/retry-push-api.md)
- [Create New Datasource](https://klearstack.gitbook.io/klearstack-api-documentation/datasources/create-new-datasource.md)
- [List of all Datasources](https://klearstack.gitbook.io/klearstack-api-documentation/datasources/list-of-all-datasources.md)
- [Get data of a Datasource](https://klearstack.gitbook.io/klearstack-api-documentation/datasources/get-data-of-a-datasource.md)
- [Append in Datasource](https://klearstack.gitbook.io/klearstack-api-documentation/datasources/append-in-datasource.md)
- [Update Record of a Datasource](https://klearstack.gitbook.io/klearstack-api-documentation/datasources/update-record-of-a-datasource.md)
- [Delete Record of a Datasource](https://klearstack.gitbook.io/klearstack-api-documentation/datasources/delete-record-of-a-datasource.md)
- [Delete Datasource](https://klearstack.gitbook.io/klearstack-api-documentation/datasources/delete-datasource.md)
- [Get Documents of a Set](https://klearstack.gitbook.io/klearstack-api-documentation/documents-set/get-documents-of-a-set.md)
- [Get Uploaded Status of Documents in a Document Set](https://klearstack.gitbook.io/klearstack-api-documentation/documents-set/get-uploaded-status-of-documents-in-a-document-set.md)
- [Get Set Reference Numbers List](https://klearstack.gitbook.io/klearstack-api-documentation/documents-set/get-set-reference-numbers-list.md)
- [Update Field Mapping](https://klearstack.gitbook.io/klearstack-api-documentation/fields-setting/update-field-mapping.md)