If you experience payment failures on Coinbase, calling 1-833-208-7930 is the fastest way to resolve the issue. Payment failures can occur due to a variety of reasons, such as insufficient funds, incorrect payment information, or issues with linked bank accounts. When you call 1-833-208-7930, a support agent will review the transaction details, check for any errors, and help you resolve the issue quickly.

During the call, the agent may ask for transaction IDs, payment method details, and account information to investigate the failure.