# API Documentation

## SEALING Server

- [SEALING Server API Documentation](https://docs.signius.eu/api/seal-api/sealing-server-api-documentation.md): Bulk document processing: Qualified Electronic Sealing, Timestamping, Validation
- [Batch Methods](https://docs.signius.eu/api/seal-api/server-methods/batch-methods.md): SIGNIUS Sealing Server REST API batch methods
- [Document Methods](https://docs.signius.eu/api/seal-api/server-methods/document-methods.md)
- [Process Methods](https://docs.signius.eu/api/seal-api/server-methods/process-methods.md)
- [Stats Method](https://docs.signius.eu/api/seal-api/server-methods/stats-method.md)
- [TSA Methods](https://docs.signius.eu/api/seal-api/server-methods/tsa-methods.md): Methods used to obtain Qualified Electronic Timestamps for documents
- [Document Methods](https://docs.signius.eu/api/seal-api/client-methods/document-methods.md)

## PROFESSIONAL

- [Introduction](https://docs.signius.eu/api/introduction.md): PROFESSIONAL  API (1.1.0)
- [Key concepts](https://docs.signius.eu/api/key-concepts.md)
- [Getting Started](https://docs.signius.eu/api/getting-started.md)
- [Authentication](https://docs.signius.eu/api/authentication.md)
- [Integration Scenarios](https://docs.signius.eu/api/integration-scenarios.md)
- [Folders](https://docs.signius.eu/api/folders.md)
- [Document handling](https://docs.signius.eu/api/document-handling.md)
- [Automatic signing](https://docs.signius.eu/api/automatic-signing.md)
- [Configuration options](https://docs.signius.eu/api/configuration-options.md)
- [Error Codes](https://docs.signius.eu/api/error-codes.md)

## PROFESSIONAL HEADLESS

- [Introduction](https://docs.signius.eu/api/harmony-api-1/introduction.md)
- [Login](https://docs.signius.eu/api/harmony-api-1/login.md)
- [Certificate](https://docs.signius.eu/api/harmony-api-1/certificate.md)
- [Authorization](https://docs.signius.eu/api/harmony-api-1/authorization.md)
- [Signing](https://docs.signius.eu/api/harmony-api-1/signing.md)

## PROFESSIONAL RA

- [PROFESSIONAL RA](https://docs.signius.eu/api/ra/professional-ra.md)
- [Create User](https://docs.signius.eu/api/ra/create-user.md)
- [Initialize verification](https://docs.signius.eu/api/ra/initialize-verification.md)
- [List of verification methods](https://docs.signius.eu/api/ra/list-of-verification-methods.md)
- [Check if verification is required](https://docs.signius.eu/api/ra/check-if-verification-is-required.md)
- [Delete user](https://docs.signius.eu/api/ra/delete-user.md)
- [Untitled](https://docs.signius.eu/api/ra/untitled.md)

## PROFESSIONAL HEADLESS PDF

- [PROFESSIONAL HEADLESS PDF](https://docs.signius.eu/api/professional-headless-pdf/professional-headless-pdf.md)
- [Create folder](https://docs.signius.eu/api/professional-headless-pdf/folders/create-folder.md)
- [Upload a document](https://docs.signius.eu/api/professional-headless-pdf/documents/upload-a-document.md)
- [Submit a document for signing](https://docs.signius.eu/api/professional-headless-pdf/documents/submit-a-document-for-signing.md)
- [Create Session](https://docs.signius.eu/api/professional-headless-pdf/sesions/create-session.md)
- [Signing hash via SMS](https://docs.signius.eu/api/professional-headless-pdf/sesions/signing-hash-via-sms.md)
- [Download the signed document](https://docs.signius.eu/api/professional-headless-pdf/download/download-the-signed-document.md)
- [Delete a document](https://docs.signius.eu/api/professional-headless-pdf/delete/delete-a-document.md)
- [Delete a folder](https://docs.signius.eu/api/professional-headless-pdf/delete/delete-a-folder.md)