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.
Mercury - Mercury is banking* for startups
GoSolo - Smart business banking for SMEs in the UK
Brex - The first corporate card for startups
Business Banking APIs by Decentro - Perform any banking functions on top of corporate accounts
Ramp - Grow more. Waste less. Enterprise corporate cards built from the ground up to save your company money: issue unlimited cards and eliminate overspend with our advanced savings reports and 1.5% cash back on everything.