The above listed payment methods are the safe. Confirmed chopped by the individual payment gateway's policy.
PAYMENT DID NOT GOING THROUGH ?
You might wana check on your pop up blocker. And HERE is how you can do that.
Check your credit card details too
Sometimes if you spend too long on the check out page, the session might be expired and you might have to re-enter everything again for security purposes.
If all else fail, feel free to shoot us an email at firstname.lastname@example.org we will gladly assist try to assist you.