myQuiz.org - myQuiz is an Audience Engagement Cloud Platform
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.
TestMOZ - TestMOZ is an online platform for creating interactive quizzes and questions to keep your audience engaged on your social media, websites, or blog channels.
TrueLayer - Simple Bank APIs to access real-time financial data
QuizWhizzer - QuizWhizzer is a platform that allows you to create a quiz to engage your audience inactivity.
Nordigen - Free open banking API