Clover Payments: Error at checkout: "402 Payment Required"

Modified on Fri, 6 Jun at 10:19 AM

When using the Clover payment extension in sandbox mode with an American Express (AMEX) card, the sandbox gateway may return an error related to an incorrect zip code. This error is a known issue with the Clover API and can be ignored. We would recommend reaching out to Clover Support to expedite a solution for this issue.


For more information on supported test card numbers, please refer to the Clover documentation: https://docs.clover.com/dev/docs/test-card-numbers

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