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Adyen Payment API

A set of API endpoints that allow you to initiate, settle, and modify payments on the Adyen payments platform. You can use the API to accept card payments (including One-Click and 3D Secure), bank transfers, ewallets, and many other payment methods. To learn more about the API, visit Classic integration. ## Authentication You need an API credential to authenticate to the API. If using an API key, add an `X-API-Key` header with the API key as the value, for example: ``` curl -H "Content-Type: application/json" \ -H "X-API-Key: YOUR_API_KEY" \ ... ``` Alternatively, you can use the username and password to connect to the API using basic authentication, for example: ``` curl -U "ws@Company.YOUR_COMPANY_ACCOUNT":"YOUR_BASIC_AUTHENTICATION_PASSWORD" \ -H "Content-Type: application/json" \ ... ``` ## Versioning Payments API supports versioning using a version suffix in the endpoint URL. This suffix has the following format: "vXX", where XX is the version number. For example: ``` https://pal-test.adyen.com/pal/servlet/Payment/v68/authorise ``` ## Going live To authenticate to the live endpoints, you need an API credential from your live Customer Area. The live endpoint URLs contain a pref

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Record checkpoints

  1. First observed: Sep 20, 2026
  2. Last directory-field change: Sep 20, 2026
  3. Current source observation: Sep 20, 2026

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