Discover / contract-api-production-c176.up.railway.app

contract-api-production-c176.up.railway.app

□ No challenge detected

Validate up to ten JSON documents against JSON Schema draft-07 or 2020-12. Returns per-document validity and actionable errors with instance paths. Runs isolated with bounded time and memory; no remote schema loading or automatic data modification.

x402
Base
USDC

Listed price: $0.02
Challenge detected: 0 of the last 7 checks
Last checked: 17 Oct, 08:59 UTC
In our index since: 8 Oct 2026

Endpoint

curl -i https://contract-api-production-c176.up.railway.app/v1/contracts/validate
# 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://contract-api-production-c176.up.railway.app/v1/contracts/validate$0.02Validate up to ten JSON documents against JSON Schema draft-07 or 2020-12. Returns per-document validity and actionable errors with instance paths. Runs isolated with bounded time and memory; no remote schema loading or automatic data modification.

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/contract-api-production-c176.up.railway.app

Recent checks

8 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.17 Oct 2026

All 7 checks

When (UTC)	Result	HTTP	Response
17 Oct, 08:59 UTC	No challenge detected	404	241ms
15 Oct, 23:42 UTC	No challenge detected	404	164ms
14 Oct, 14:31 UTC	No challenge detected	404	52ms
12 Oct, 10:53 UTC	No challenge detected	404	47ms
10 Oct, 15:44 UTC	No challenge detected	404	51ms
9 Oct, 09:34 UTC	No challenge detected	404	43ms
8 Oct, 06:42 UTC	No challenge detected	404	66ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 17 Oct, 08:59 UTC, we detected no payment challenge.

What price is recorded for contract-api-production-c176.up.railway.app?

Its listed price is $0.02.

What payment terms does contract-api-production-c176.up.railway.app 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 contract-api-production-c176.up.railway.app listed?

In x402 Bazaar. Superstables first indexed it on 8 Oct 2026.

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