The best alternatives to Oopy are Stripe, involve.me, and Chargebee. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
involve.me is on a mission to make it as easy as possible for businesses to involve their customers in meaningful digital interactions.
Our AI-powered online form builder leverages AI to automate the creation, personalization & analysis of forms, surveys, quizzes & calculators. When embedded into their websites, our content helps businesses increase conversions and collect better data.
Revloop is an API-based, multi-tenant SaaS billing solution, fully hosted and run in the cloud. Our goal is to help launch the next wave of subscription and related services. No matter what your product or pricing structure, we can bill for it.