CreateCardWeb takes a CountryIso for culture. This is fine when you are using France and the same code is used for the language, but not for GB / English! See https://docs.mangopay.com/api-references/payins/payins-card-web/ for list of supported languages.
CreateCardWeb takes a CountryIso for culture. This is fine when you are using France and the same code is used for the language, but not for GB / English! See https://docs.mangopay.com/api-references/payins/payins-card-web/ for list of supported languages.