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Unzer
UnzerAI

UnzerAI

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UnzerAI

Welcome to UnzerAI!

I'm here to help you with questions about Unzer's payment integration, APIs, and documentation.

Ask questions about Unzer and get help with your integration.

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Meet UnzerAI: Your Integration Assistant

Get instant answers to any integration question. Our AI knows every endpoint, parameter, and use case in our documentation—available 24/7 to help you build faster.

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Online payments

High-level information on available integration options & managing payments in your online shop with Unzer.

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Payment methods

In-depth information about every payment method, its features and integration steps.

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Use cases

The common use cases in the electronic payments world explained and how they are handled with Unzer.

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Plugins

The quickest way to integrate with Unzer without any programming knowledge

Server side integrations

Deep dive into the Direct API, PHP SDK and Java SDK integrations

References

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Compliance and EAA

Learn more about EAA and other compliance topics

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Basic integration requirements

Learn about the common basic requirements for your integration

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Localization

List of all supported languages and formats.

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Supported webhook events

List of all the supported webhook events with descriptions.

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Test data

Use the test data to test your integration for different payment methods.

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Financial glossary

Check out our glossary of financial terms.

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News & latest releases

July 18, 2025

Added new topic for ETN files for pay later payment methods

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July 10, 2025

Added User feedback button for each topic

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June 26, 2025

Added topic for EAA compliance

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June 12, 2025

Updates for plugin releases

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