I can't integrate a payment gateway on my store

Technical Q&A
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Topic summary

A store owner in South Africa cannot complete checkout with any supported payment gateways, including PayPal. Although each gateway appears “active” in payment settings, the site does not redirect to the step where customers can enter payment details.

Context: This is their second store; the first had no issues with the same process. The problem persists across multiple gateways, suggesting a store‑specific integration or checkout flow issue rather than a single provider fault.

Attempts: They contacted the payment gateway supports, but suggested fixes did not resolve the issue.

Status: Unresolved and ongoing. The user is seeking guidance on why an “active” gateway does not initiate the payment capture step and how to restore a working checkout. No decisions or root cause identified yet.

Summarized with AI on December 14. AI used: gpt-5.
1

I am based in South Africa and I have tried to integrate the payment gateways available in my country and none is working. My last option was PayPal and it’s also not working.

On payment settings they show active status but when you want to pay on website it can’t take you through to where you can capture payment details.

This is my second store, on the first one I had no problems at all. Please help I really don’t know what to do because if I contact the payment gateway support, it seems like they are also confused. Every solution they proposed is not working.

I would really appreciate your help, I am stuck since from last week.