Routing rules can be created through the Payments OS dashboard. The rules route the transaction according to a variety of parameters which you choose: amount, bin number, card level, and more.
In order to create a rule, please follow these steps:
1) Enter to the control center, >> on the left sidebar click on "decision engine", >> choose the business unit you would like to create the rule for.
2) In the next screen choose the "Payments routing" section >> the routing setup page will be open >> click on the Plus icon>> choose the rule name, the condition, and the target provider >> click "Route".
That's it! The rule is now set up, you can add more rules to apply on the same program.