Any time a new card is added to your LinguSocial account, our merchant processor, Stripe, performs an authorization check on the card to verify its authenticity. This temporary charge may appear as a €0 or €1 authorization charge on the card. More details on Stripe's authorization process can be found here: Unexpected €1 charge on customer's bank statement
What do I do if my card fails an authorization check?
Rarely, your card issuing bank may flag a temporary authorization hold as too low to be considered valid and will decline the authorization. A declined authorization will be returned to Stripe, and the card will not be added to your LinguSocial account. If your card fails the authorization check:
Please contact the card issuer and request that they allow for the card verification. Once completed, you may re-attempt adding your card and proceed with your order.
