The **Reference** section contains detailed technical specifications and additional resources for integrating ZignSec services. Here you’ll find comprehensive information about API endpoints, verification flows, and data-handling logic across all supported modules. In addition to core API references, this section also includes: - **eID Services** such as [MitID](https://docs.zignsec.com/references/mitid/) and other national e-identification solutions. - **ID and Biometric Verification** methods for document, facial, and liveness checks. - **PEP and Sanction Screening**, including the [match algorithm](https://docs.zignsec.com/References/Pep+and+Sanction/Match+algorithm) explanation. - **Register Checks** and [multiple data source](https://docs.zignsec.com/references/register-check/multiple-data-sources/) options for entity validation. - **Postman Collections** for testing and exploring endpoints interactively. - **Utilities for Integration**, offering helper endpoints and workflows to streamline setup. Use this section as your primary technical reference for implementing ZignSec’s verification and compliance solutions.