Why are payments failing in Stripe?

This page covers all the reasons we've identified that causes payments to fail.
  1. 1.
    Check the Common Error Messages below to ensure your customer is using the right checkout flow.
  2. 2.
    Ensure email addresses do not include unnecessary capitalizations, such as [email protected]. The proper input should be [email protected]. Additionally, some email addresses may be marked as spam or fraud, so advise customers who continuously run into this issue to try using a different email address.