There is some test cards. You can test your integration on any payment methods with those cards. Expiration must be a valid date in the future like 12/30. CVV can be any 3 digits number (except for Amex, it must be a 4 digits number)

Conecs

PAN	Balance (cent)	Issuer
5075970100000001	0	natixis-intertitres
5075970100000002	500	natixis-intertitres
5075970100000003	3800	natixis-intertitres

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The balance is available at each payment (no debit)

Bank card (VAD)

PAN	Scheme	Auth method	Response	Explanation
4970105191919435	Visa	Frictionless	Success
4970105715165150	Visa	3DSV2	Success / Refused*	expired_card
4970109000034568	Visa	3DSV2	Success / Refused*	lost_card
4970106155797460	Visa	3DSV2	Success / Refused*	stolen_card
5549650000000124	Mastercard	3DSV2	Success / Refused*	suspected_fraud
375989111111135	American express	Frictionless	Success
370000000000002	American express	Frictionless	Success
370000000000010	American express	Frictionless	Success
370000000000028	American express	Frictionless	Success

*To trigger the refusal response with 3DSV2 cards, simply reject / refuse the 3DS authentication

Bank card (SVAD-Wallet)

PAN	Auth method	Response	Explanation
4242424242424242	frictionless	Success
4000002760003184	3DS	Success/Refused
4000000000003220	3DS	Refused
4095254802642505	frictionless	Refused	banking_network_error
4544249167673670	frictionless	Refused	insufficient_balance
4941202060999329	frctionless	Refused	DSlost_card