braintree-web
A suite of tools for integrating Braintree in the browser
@adyen/adyen-web
[](https://www.npmjs.com/package/@adyen/adyen-web)
braintree
A library for server-side integrating with Braintree.
ngx-stripe
Collect Payments with Stripe: The Angular Way
razorpay
Official Node SDK for Razorpay API