Wisesheets - Get stock financial data instantly on your spreadsheet
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
Quandl - Quandl is a platform for financial, economic, and alternative data, serving investment professionals.
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.
TrueLayer - Simple Bank APIs to access real-time financial data
Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.