PHP SDK integration

Connect your online shop to Unzer payment system using PHP SDK.

Unzer PHP SDK provides a layer of abstraction on top of Unzer API, simplifying the integration process and making it a convenient choice for PHP based online shopping solutions.

In this part of the documentation, you’ll learn how to start using Unzer PHP SDK, how to handle some common tasks (API errors and notifications), and also what are the essential API resources and how to use them with the SDK.

If you want to see these resources ‘in action’, combined to accept and manage payments check one of our step-by-step guides on how to integrate a payment method using Payment pages, UI components or your own UI.

If you are still using the old heidelpay PHP SDK, check the migration guide.

Next steps

Install PHP SDK

Install the PHP SDK and start integrating with Unzer.

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Basic usage of the PHP SDK

Learn more about the basic usage of the PHP SDK.

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Manage PHP SDK resources

Learn about Unzer API resources exposed via PHP SDK.

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Error handling

Error and debug information provided by Unzer API and SDK.

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Receive notifications about any changes related to your payments.

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Example implementations

Unzer API PHP SDK is provided with example payment integrations

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Migrate to Unzer PHP SDK

Migrate from old heidelpay PHP SDK to the new Unzer PHP SDK.

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