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How to test your integrations

To test your integrations you need to switch to a test mode using a switch in the header of your MONEI Dashboard.

MONEI Test Mode


Account ID and API key you generate in test mode are different from the live (production) mode and can only be used for testing purposes.

Test card numbers

Genuine card information cannot be used in test mode. Instead, use any of the following test card numbers.

  • For all test card numbers use 12/34 as an expiration date and 123 as CVC code
  • In 3D secure mode, in which buyer authentication is required, the personal identification code is: 123456
4444444444444414VisaNon 3D secure
4444444444444406Visa3D Secure v1
4444444444444422Visa3D Secure v2.1 Challenge
4444444444444430Visa3D Secure v2.1 Frictionless
4444444444444448Visa3D Secure v2.2 Challenge
4444444444444455Visa3D Secure v2.2 Frictionless
5555555555555508Mastercard3D Secure
3680000000000001Diners Club InternationalNon 3D Secure
3680000000000001JCBNon 3D Secure

Testing for specific errors

The following test cards can be used to create payments that produce specific responses—useful for testing different scenarios and error codes.

4444444444444505VisaE201 (Transaction declined by processor)
5555555555555607MastercardE501 (Card rejected: invalid card number)
3680000000000118Diners Club InternationalE501 (Card rejected: invalid card number)
3500000000000108JCBE501 (Card rejected: invalid card number)

Test Bizum phone numbers

+34500000000E000 (Transaction approved)
+34700000000E506 (Error during payment authorization. Please try again)

In test environment Bizum only supports transactions below 10 EUR

Test PayPal Accounts

Businesspaypal-business@monei.netmonei12345You can link this account in MONEI Dashboard to test PayPal payment method
Personalpaypal-personal@monei.netmonei12345You can do test payments using this account
PersonalCCREJECT-REFUSED@paypal.comPayPal2016Use this account to simulate payment failure. PayPal credit and the card ending with 1111 in the PayPal wallet will lead to a successful transaction. The other cards will lead to a decline.

You can register your own PayPal sandbox account here.