TrueLayer - Simple Bank APIs to access real-time financial data
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.
Wisesheets - Get stock financial data instantly on your spreadsheet
Quandl - Quandl is a platform for financial, economic, and alternative data, serving investment professionals.
ACH payments with Stripe - Accept bank payments with a few lines of code.
Plaid - Infrastructure that powers financial technology by enabling applications to connect with users' bank accounts.