Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
SolidInvoice - SolidInvoice is simple to use online invoicing software that helps small businesses to get paid faster on time.
SuperPay - Get paid faster with your own custom payments page
Upodi - Unified Commerce Platform.
PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
HonorCare - HonorCare is a web portal that makes it easy for you to make online medical payments in an accessible and authentic way.