Developer guide
How to get a Jev API key in 5 minutes
1. Five steps to a live key
- Sign in or register on Account (email or Google if configured).
- Open Pricing and buy a prepaid pack (from $5).
- Back on Account → Create API key — copy the jv_live_… secret once.
- Store it as JEV_API_KEY in your env (never commit it).
- Call POST https://jevtypesafe.org/api/v1/decide with Authorization: Bearer …
Full endpoint docs: Hosted API guide.
2. First call (copy-paste)
Replace jv_live_YOUR_KEY_HERE with your key. Output tokens are free on this host; only input tokens debit your balance.
curl https://jevtypesafe.org/api/v1/decide \
-H "Authorization: Bearer jv_live_YOUR_KEY_HERE" \
-H "Content-Type: application/json" \
-d '{
"state": "Customer: I was charged twice and nobody replied for 3 days.",
"questions": {
"route": {
"type": "choice",
"instructions": "Where should this go?",
"criteria": { "billing": "money", "bug": "broken", "account": "login" }
},
"urgency": {
"type": "score",
"instructions": "How urgent is this?",
"criteria": ["routine", "today", "urgent", "critical"]
},
"escalate": {
"type": "noul",
"instructions": "Escalate to a human now?"
}
}
}'3. Tips that save time
- Try tools in the browser first (5 free anonymous runs) before buying.
- One decide call can ask several choice / score / noul questions — cheaper than many LLM round-trips.
- Official TypeSafe waitlist and gateways remain alternatives; this host is for instant prepaid access.
Referencia de origen: