Some Canadian merchants using Lightspeed Payments (K-Series) were unable to process American Express transactions for approximately 24 hours after AMEX was accidentally disabled on their accounts. The issue was resolved by re-adding the payment method to the affected accounts, restoring the ability to process AMEX cards.
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The payment method was re-added for those accounts, allowing them to process AMEX cards again. This is now resolved.
We are currently investigating the issue.
We have received reports that some CA merchants have been unable to process AMEX transactions since 4 September 2026 due to the payment method being disabled in error. Our team is actively investigating the issue, and we will provide further updates as soon as possible.
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