The following pages are useful for developers integrating with Adyen:
- Test cards – Test your payments using the test card numbers provided by Adyen, or create your own.
- Notification webhooks – Receive important updates related to your account.
- Live endpoints – Learn which endpoints should be used when switching your integration from test to live.
- 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.
- 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.
- Response handling – How to handle HTTP responses, refused payments and errors.
- Refusal reasons– Learn about the reasons why a payment authorisation can be refused.
- Raw acquirer responses – Review a table of refusal reasons for Visa and Mastercard.
- Payments with pending status – Describes a common payment status you may see in the Customer Area.