01 / LOCATION
Inference in Germany.
Your request goes straight to our Hetzner server in Germany and is answered there. No proxy, CDN, or external model API sits in between.
First System One Model
Hosted in the EU
[ INFERENCE IN GERMANY ]
Turn context into choices, probabilities, and scores.
01 / THE PLAYGROUND
Try it out.
144 / 12,000
billingtechnicalsales
Run your question to see the answer.
02 / EUROPEAN BY DESIGN
Your intelligence.
Closer to home.
02 / PRIVACY
Built for GDPR.
Prompts and answers are processed in Germany and are not stored. A data processing agreement and subprocessor list are one click away.
See the DPA and subprocessors03 / DEVELOPERS
Built for your application.
Classify text, compare options, and return structured decisions through one API.
03 / MADE FOR EU BUILDERS
Jev-style API requests
Use your eu/jev API key and base URL, and set the model to jeff-latest. Check the supported request fields and limits below.
- Choice, Noul, and Score in one endpoint
- POST /v1/systemone with Bearer authentication
- Structured answers, ready for your application
const response = await fetch("https://eu-jev.com/v1/systemone", {
method: "POST",
headers: {
"Authorization": "Bearer YOUR_API_KEY",
"Content-Type": "application/json"
},
body: JSON.stringify({
model: "jeff-latest",
state: "I was charged twice. Can I get a refund?",
questions: {
team: {
type: "choice",
instructions: "Which team should handle this?",
criteria: {
billing: "Payments, invoices, and refunds",
support: "Technical issues and bugs"
}
}
}
})
});
if (!response.ok) throw new Error(await response.text());
const { answers } = await response.json();
console.log(answers.team.choice); // "billing"