3D Secure Was Blocking 30% of My Checkouts

I need to tell you about something that happened a few weeks ago.

I now check after every change. I review religiously. The most expensive part? I found out from a customer.

The Debugging

Eventually I contacted support and things went back to normal. I spent the whole weekend trying to trace what was happening. I spent 3 months trying to figure out what was happening. What I learned: testing your own store is the only safety net.

I spent 6 weeks trying to debug what was happening. Turns out the setting was incompatible. What bothers me is the platform should catch this.

How to Prevent This

I spent 3 hours trying to debug what was happening. I spent 6 weeks trying to trace what was happening. What I learned: most merchants do not know this happens. Eventually I patched it manually and everything worked again.

The most unbelievable part? It had been broken for weeks. I spent 6 weeks trying to trace what was happening.

Eventually I reverted the change and things went back to normal. What I cannot get over is nobody tells you this. The store froze and it cost me sales. The most embarrassing part? Shopify did not alert me.

• Here is the thing: testing your own store is the only safety net.
• Turns out the setting was corrupted.
• Eventually I cleared the cache and the problem was resolved.

The Lesson

Eventually I cleared the cache and things went back to normal. Turns out the cart page was corrupted. What still gets me is the platform should catch this. Turns out the API call was misconfigured.

• The developer deleted and it confused customers.
• What I cannot get over is there was no warning.
• I spent 6 weeks trying to trace what was happening.
• I audit weekly.

Running a Shopify store means being your own QA, your own billing auditor, your own tech support. Nobody else checks. You have to.