how to redirect to an external URL using POST in grails

Question

I am integrating my website with payment gateway...I want to take some parameters from the user and add some parameters from my side , and then send data to the payment gateway.

Answer 1

You can't redirect POST request, all redirections are new GET request, it's from specification.

Btw, you can add this parameters on client side, before sending to payment gateway. By using ajax for example. Or by making an extra page, with a form, that will be autosubmitted to payment gateway