Discover / jev-x402.vercel.app

Jev Structured Evaluation

□ No challenge detected

Structured evaluation with TypeSafe's Jev (System One) model. Send any state plus typed questions — noul (true/false), choice (pick one), or score (ordinal scale) — and get back calibrated probabilities and confidence for each. Built for routing, classification, triage and policy checks where a fast, predictable, machine-readable answer beats prose.

x402
Base
USDC
AI

Listed price: $0.001
Challenge detected: 5 of the last 10 checks
Median response: 90 ms
Last checked: 16 Oct, 18:49 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://jev-x402.vercel.app/jev
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

1 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

POSThttps://jev-x402.vercel.app/jev$0.001Structured evaluation with TypeSafe's Jev (System One) model. Send any state plus typed questions — noul (true/false), choice (pick one), or score (ordinal scale) — and get back calibrated probabilities and confidence for each. Built for routing, classification, triage and policy checks where a fast, predictable, machine-readable answer beats prose.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 1 of 1 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/jev-x402.vercel.app

Recent checks

2 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
16 Oct, 18:49 UTC	No challenge detected	404	342ms
15 Oct, 14:11 UTC	No challenge detected	404	243ms
14 Oct, 05:00 UTC	No challenge detected	404	61ms
14 Oct, 00:19 UTC	Challenge detected	200	85ms
12 Oct, 00:34 UTC	Challenge detected	200	90ms
10 Oct, 10:04 UTC	Challenge detected	200	110ms
9 Oct, 06:42 UTC	Challenge detected	200	115ms
8 Oct, 03:32 UTC	Challenge detected	200	56ms
6 Oct, 21:30 UTC	No challenge detected	404	141ms
2 Oct, 05:04 UTC	No challenge detected	404	54ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 16 Oct, 18:49 UTC, we detected no payment challenge.

What price is recorded for Jev Structured Evaluation?

Its listed price is $0.001.

What payment terms does Jev Structured Evaluation advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Jev Structured Evaluation listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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