![checkout - How to post data to a payment provider when placing an order in Magento 2 - Magento Stack Exchange checkout - How to post data to a payment provider when placing an order in Magento 2 - Magento Stack Exchange](https://i.stack.imgur.com/ZQOIO.png)
checkout - How to post data to a payment provider when placing an order in Magento 2 - Magento Stack Exchange
GitHub - vrajeshpatel4u/v4u-magento2-controller-response-types-Page-Redirect -JSON-Forward-Raw: Magento2 Controller Response Types (Page,Redirect,JSON, Forward,Raw)
![Magento 2 redirect back with message from controller, redirecting working fine but error message... - YouTube Magento 2 redirect back with message from controller, redirecting working fine but error message... - YouTube](https://i.ytimg.com/vi/TJiM4KIveuY/maxresdefault.jpg)