Discover / x402-used-car-quickcheck-production.up.railway.app

x402-used-car-quickcheck-production.up.railway.app

■ Challenge detected

Evaluate a used car before purchase. Compares the asking price with up to 50 current dealer listings in Canada or the U.S., matched by year, make, model, mileage and optional trim/location. Returns robust median and quartile pricing, deal rating, confidence, sample size and risk flags. Use for fast used-car price checks.

Listed price
$0.01
Challenge detected
1 of the last check
Median response
109 ms
Last checked
19 Oct, 18:24 UTC
In our index since
19 Oct 2026

Endpoint

curl -i https://x402-used-car-quickcheck-production.up.railway.app/car-check
# 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.

  • GEThttps://x402-used-car-quickcheck-production.up.railway.app/car-check$0.01Evaluate a used car before purchase. Compares the asking price with up to 50 current dealer listings in Canada or the U.S., matched by year, make, model, mileage and optional trim/location. Returns robust median and quartile pricing, deal rating, confidence, sample size and risk flags. Use for fast used-car price checks.

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/x402-used-car-quickcheck-production.up.railway.app

Recent checks

19 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.19 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
19 Oct, 18:24 UTCChallenge detected402109ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 19 Oct, 18:24 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for x402-used-car-quickcheck-production.up.railway.app?

Its listed price is $0.01.

What payment terms does x402-used-car-quickcheck-production.up.railway.app advertise?

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

Where is x402-used-car-quickcheck-production.up.railway.app listed?

In x402 Bazaar. Superstables first indexed it on 19 Oct 2026.

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