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Most failed payments are caused by your bank blocking the transaction, not by Rail Monsters. Common reasons include:
• Your bank flagged the charge as unusual or international
• Insufficient funds or card limit reached
• Card expired or restricted for online payments
• 3D Secure (SMS verification) failed or was not completed
• Temporary block by your fraud protection service
We don’t reject valid cards — we simply pass the transaction to your bank or payment provider for approval. If they block it, it will show as “declined” or “failed” at checkout.
Try the following steps:
1. Use a different card or payment method — like Apple Pay or Google Pay
2. Check with your bank — ask them to allow international or online purchases
3. Retry using a different browser or device — especially if you're on mobile and using autofill
4. If nothing works, contact [email protected] and we’ll investigate from our side
Most of the time, the issue is resolved by your bank in a few minutes.
In some cases, your bank may show a pending charge even if the transaction didn’t go through. This is called an authorization hold — it means funds were temporarily reserved but not captured.
These typically disappear within:
• A few minutes (for modern banks and wallets)
• Up to 7 business days (for traditional or international banks)
You won’t be charged twice. If the payment fails, we don’t receive any money — and the hold will expire automatically.
We’ve seen that some banks — especially in the US and Canada — don’t always support the latest 3D Secure v2 standard. As a result, the verification popup or SMS may not appear at all, and the transaction quietly fails without a clear reason.
If this happens:
1. Restart your phone or browser and try again — it often resets the security flow
2. If the issue continues, contact us at [email protected] — we can check the exact failure code
3. With this code, your bank will be able to explain or remove the block
This is a known issue with certain card networks and banks. It’s not caused by our system, and in most cases, switching to Apple Pay / Google Pay or using a modern neobank card solves the problem instantly.

