Decision API

Decision API is a developer platform that aggregates decision AI models — Jev, Laya, Kev, Solar Decide, Span, Liquid, D1 and more — behind one playground and one unified API for classifying, scoring, and routing text. Instead of prompting an LLM and parsing prose, you send a state (a ticket, message, or record) plus structured questions and get back typed answers with probability distributions: a label (Choice), a rating along your rubric (Score), or a yes/no judgment with probability (Noul). Use it for customer-request routing, agent next-step selection, and claim-versus-evidence checking. An evaluation workspace lets you A/B test two models or question phrasings on the same cases before wiring one into production, and a single endpoint (POST /v1/systemone, Bearer auth) keeps the integration identical across all models — switching is a one-string change. New accounts get 100 free credits; paid packs are one-time ($10/$100/$1,000), credits never expire. Note: decisionapi.org is an independent platform — not the OpenAI Decisions API preview — and is the current home of the tool previously seen at decisions-api.org.