---
title: "Integration Guide - Rest PKI Core"
description: "Entry point of the Rest PKI Core integration guide: start with Get started, then follow the guide for signature sessions or biometric sessions."
canonical: "https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration"
locale: "en"
product: "Rest PKI Core"
last_updated: "2026-10-12"
---

# Integration Guide - Rest PKI Core

To integrate your app to [Rest PKI Core](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core), first follow the steps on the [Get started](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration/get-started) article.

Then, check out the integration guide for a specific feature:

* [Signature sessions](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration/signature-sessions)
* [Two-step signatures](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration/two-step-signatures), on your own page with Web PKI or with a key held by your server
* [Certificate authentication](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration/cert-auth), to sign users in with their digital certificate
* [Signature inspection](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration/signature-inspection), to list and validate the signatures of a file
* [PDF stamps](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration/pdf-stamp), to add a document timestamp to a PDF
* [Biometric sessions](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration/bio-sessions)

## See also

* [Security contexts](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration/security-contexts)
* [Webhooks](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration/webhooks)
* [Error codes](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration/error-codes)
* [Moving from Rest PKI to Rest PKI Core](https://docs.lacunasoftware.com/en-us/articles/rest-pki/core/integration/migrating-from-rest-pki)