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Payment Gateways

Current payment gateways:

  • PayPal
  • Paymentwall
  • Stripe
  • Credits (Purchased using any of the previously listed Payment Gateways)
  • Visit your Paypal account(Both sandbox and not sandbox) at this link. Go to "My selling tools" and find "Instant Payment Notification". Set the URL to the same as your Prometheus' IPN URL(Admin->General Settings->Payment Gateways->PayPal) and activate IPN URL on Paypal.

Like the following:



  • Test your system with PayPal Sandbox and if everything works fine turn off sandbox and you're good to go :)

In order to use paymentwall you need to modify a few things on your PaymentWall controlpanel:


You need to add four custom pingback parameters

  • goodstype -> own
  • price -> own
  • cur -> own
  • coupon -> own - THIS ONE IS NEW AS OF 1.6.2

You also need to set your pingback url to

The secret key and project keys are found on your Paymentwall "My projects" page. Review key should be left blank and widget key is by default p10

Now submit your project for review and hope that they accept you and don't tell you that I haven't set up some user API bullshit they want to enforce.


Credits is a virtual currency within Prometheus. The only setting you'll be able to set in the credits options is the ability to only use credits as payment for packages / raffles.


The first thing you need to do is sign in to your Stripe account. Now make sure your account is set to live, and properly set up. Then go to your user in the top right and click account settings.


You will now be greeted with this screen. Click "API Keys" and retrieve your live secret key and your live publishable key


They have to be copied and pasted into Prometheus' Payment Gateways -> Stripe settings.

API Key is the secret key, publishable key is the publishable key