Jev AI API & Playground — Try Jev Free Online, No Waitlist | Optio
Jev AI API and free playground by Optio. Call the Jev decision model — choice, score and yes/no with calibrated probabilities — over a drop-in /v1/systemone API. No waitlist, pay-as-you-go credits.
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# Optio
Independent access gateway for calling the Jev decision model over a REST API.
Optio is an independently operated access gateway. It is not affiliated with, endorsed by, or an official product of TypeSafe. Jev is a trademark of its respective owner.
Endpoint: POST https://jevai.website/api/v1/systemone (Bearer API key). Free playground, pay-as-you-go credits, no waitlist.
## Core pages
- [Playground](https://jevai.website/playground): run Jev in the browser, free, no signup for the first runs.
- [Pricing](https://jevai.website/pricing): one-time credit packs, $10 / $100 / $1,000, credits never expire.
- [API docs](https://jevai.website/docs): quickstart, request and response reference, error codes.
- [Use cases](https://jevai.website/use-cases): twelve production decision patterns with request shapes.
- [Blog](https://jevai.website/blog): guides for calling Jev from curl, Python and JavaScript.
## Comparisons
- [Jev Vs Djev](https://jevai.website/jev-vs-djev)
- [Jev Vs Laya](https://jevai.website/jev-vs-laya)
- [Jev Vs Openjev](https://jevai.website/jev-vs-openjev)
- [Jev Vs Openai](https://jevai.website/jev-vs-openai)
- [Jev Vs Semif](https://jevai.website/jev-vs-semif)
- [Jev Vs Anyjev](https://jevai.website/jev-vs-anyjev)
- [Jev Vs Kev](https://jevai.website/jev-vs-kev)
- [Jev Vs Clm 8b](https://jevai.website/jev-vs-clm-8b)
## Other decision models covered
- [clm-8b](https://jevai.website/models/clm-8b)
- [liquid-d1](https://jevai.website/models/liquid-d1)
## Use cases
- [support triage](https://jevai.website/use-cases/support-triage)
- [refund review](https://jevai.website/use-cases/refund-review)
- [tool call risk](https://jevai.website/use-cases/tool-call-risk)
- [model routing](https://jevai.website/use-cases/model-routing)
- [content moderation](https://jevai.website/use-cases/content-moderation)
- [lead scoring](https://jevai.website/use-cases/lead-scoring)
- [email triage](https://jevai.website/use-cases/email-triage)
- [resume screening](