Oudgo usually cannot see the issuer’s complete reason for a declined payment. Check that the billing details match the payment account, the method is not expired, sufficient funds or credit are available and the issuer permits the currency and international online purchase. Then retry only through a method currently displayed at checkout, or ask the issuer or payment provider about the decline. If the checkout itself appears to fail, contact us with the order time and any non-sensitive error message. Never send a full card number, bank password, one-time code or account sign-in.