What does Optio do?
Optio is an API for decisions, not prose. Send text or JSON plus up to eight named questions and each answer comes back typed: a choice from your list, a score on your scale, or a yes/no probability. Every answer carries a probability so your code can branch, threshold or hand off to a person. Try the free browser playground with no signup; new accounts get 5 free credits, and credit packs are one-time ($10 for 100,000 credits).
Who should use Optio?
Developers are the clearest fit based on how the product is positioned.
Best fit
Pricing: Free / paid plans
Platforms: REST API, Web
How much does Optio cost?
Free / paid plans Check the provider’s own page for the latest pricing, packages and terms.
Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.
Profile last updated 20 Oct 2026.
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