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Development resources

This section provides information that might be useful for you when integrating with Adyen.


  • Notification webhooks – Receive important updates related to your account.
  • Testing – Test your payments using the test card numbers provided by Adyen, or create your own.
  • Libraries – Learn how to install and use our server-side API libraries.
  • Building Adyen solutions – Identify yourself when building a solution for multiple merchants, so that we can provide better support.
  • Live endpoints – Learn which endpoints should be used when switching your integration from test to live.
  • Integration checklist – Understand core steps to ensure are taken care of before processing live payments.
  • API idempotency – Describes the concept of API idempotency, where making the same request many times produces the same effect as making it only once.



  • Currency codes – Lists the codes for different currencies, as well as provides information on the amount of minor units you need to specify for each currency.
  • PaymentMethodVariant – The paymentMethodVariant field returns the type of payment method used during a transaction.