Hi,
I have done this similar work on the work adding local payment gateway. Its can be done using suing third party app .
But for that i need thee check the website and test . Share the website link and login details and payment api.
If you decide to work with me, you'll be pleasantly surprised by receiving high quality result.
I'm always open for communication, so feel free to contact me to discuss your projects.
Looking forward to your messages.