---
title: "Get started with the C library"
url: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/c-library-integration/get-started-with-the-c-library"
source_url: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/c-library-integration/get-started-with-the-c-library.md"
canonical: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/c-library-integration/get-started-with-the-c-library"
last_modified: "2026-05-23T12:56:20+02:00"
language: "en"
---

# Get started with the C library

[View source](/point-of-sale/classic-library-deprecation/classic-library-integrations/c-library-integration/get-started-with-the-c-library.md)

## Download and install the C library

Use the [Adyen test card numbers](/point-of-sale/testing-pos-payments#testing-card-payments) to test your integration.

1. Log in to the  [Customer Area](https://ca-live.adyen.com/ca/ca/login.shtml) (CA).

2. Go to **In-person payments** > **Release overview**.

   Request access to these sections by contacting your integration manager.

3. Select **Libraries**.

4. Scroll to the bottom of the page, you will see links to download the C library files. 

## See also

* [Network configuration](/point-of-sale/classic-library-deprecation/classic-library-integrations/network-configuration)