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MonCash never redirects back to my site after payment

asked 3 months ago526 viewsen

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The customer pays successfully (they even get the SMS), but they stay on the MonCash page or land on a MonCash success screen. My return URL is never hit. Where do I set the return URL in the request?

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apipaymentsmoncash
asked 3 months ago

1 Answer

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✓ Accepted answer

You don't set it in the request. The return URL (and the alert/notification URL) are configured in the MonCash merchant portal, per business account and per environment. If they're empty or wrong, MonCash has nowhere to send the customer.

Checklist:

  1. Portal settings: open the business dashboard for the same environment (sandbox or live) you're testing and set the return URL, e.g. https://shop.example.ht/moncash/return.
  2. It must be reachable from the internet. http://localhost:3000 works only if the redirect happens in your browser. For the alert URL, which MonCash calls server to server, localhost never works. While developing, expose your machine with a tunnel (Cloudflare Tunnel or ngrok) and put the tunnel URL in the sandbox settings.
  3. Use HTTPS in production, with a valid certificate.
  4. Don't depend on the redirect alone. Customers close tabs and phones lose connection mid-payment. Also run a background check that looks up orders still "pending" after a few minutes with RetrieveOrderPayment, so a paid order never stays unpaid in your system.

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answered 3 months ago

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