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.
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
TrueLayer - Simple Bank APIs to access real-time financial data
1World Online - 1World's Platform consists of applications like polls, quizzes, surveys, and debates to boost engagement and revenue opportunities.
Nordigen - Free open banking API
doopoll - Create live, instant, editable polls effortlessly