How to add payment gateway to shopify

- How to add payment gateway to shopify store
- How to add stripe payment gateway in shopify
- How to add custom payment gateway in shopify
- How to add phonepe payment gateway to shopify
- How to add payment gateway in shopify website
- How to add payment gateway in shopify india
- How to add razorpay payment gateway in shopify
- How to add paytm payment gateway in shopify
- How to add ccavenue payment gateway in shopify
- How to add paypal payment gateway in shopify
- How to add instamojo payment gateway in shopify