Discover / x402-datashop-production.up.railway.app

eu-verify

■ Challenge detected

Latest European Central Bank reference exchange rates, normalized JSON. Query: ?base=EUR&symbols=USD,GBP,JPY (symbols optional -> all). Rates update once per working day; served with a 1h cache.

x402
Base
USDC

Listed price: $0.001
Challenge detected: 9 of the last 9 checks
Median response: 104 ms
Last checked: 16 Oct, 18:49 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://x402-datashop-production.up.railway.app/v1/fx/latest
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

7 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.

Base URLhttps://x402-datashop-production.up.railway.app/v1

GET/fx/latest$0.001Latest European Central Bank reference exchange rates, normalized JSON. Query: ?base=EUR&symbols=USD,GBP,JPY (symbols optional -> all). Rates update once per working day; served with a 1h cache.
GET/aviation/metar$0.002Latest METAR observation, decoded, for any ICAO airport worldwide (NOAA AviationWeather.gov): wind direction/speed/gust (kt), temperature/dewpoint (C), visibility, QNH altimeter (hPa), flight category (VFR/MVFR/IFR/LIFR) plus the raw METAR string. Query: ?ids=KJFK,LFPG (1-10 comma-separated ICAO codes). Observations refresh every 30-60 min; 5 min cache.
GET/fr/geocode$0.001French address geocoding on the official Base Adresse Nationale (api-adresse.data.gouv.fr, Etalab/IGN, continuously updated). Forward: ?q=8 boulevard du port amiens with optional &type=housenumber|street|locality|municipality &citycode=80021 (INSEE filter). Reverse: ?lat=49.897&lon=2.290. &limit=1-10 (default 3). Each match returns normalized label, confidence score, lat/lon, street, postcode, city, INSEE citycode and context. No match returns 400 (not billed). Cached 24h.
GET/wx/forecast$0.001Hourly weather forecast for any point on Earth from Open-Meteo (blend of ECMWF/GFS/ICON models, refreshed hourly; data CC-BY 4.0). Query: ?latitude=48.8566&longitude=2.3522&hourly=temperature_2m,precipitation,wind_speed_10m&forecast_days=2 (1-16 days, ~80 hourly variables available, optional daily= aggregates and timezone=auto). ISO 8601 time arrays + units. 15 min cache.
GET/air/quality$0.002Hourly air-quality data (PM2.5, PM10, ozone, NO2, European/US AQI) for any lat/lon, from the Copernicus CAMS model served by Open-Meteo (CC-BY 4.0), updated hourly. Query: ?latitude=48.8566&longitude=2.3522&hourly=pm2_5,pm10,european_aqi&forecast_days=2 (1..7 days). Returns parallel time/value arrays with units; cached 1h.
GET/dev/hn-top$0.002Current Hacker News front page via the official Firebase API, fanned out and merged into one payload: id, title, url, score, comment count and age in minutes per story. Query: ?n=20 (1-30 stories) &min_score=100 (optional score floor). Real-time tech signal for launch/incident/buzz detection. 5min cache.
GET/predict/polymarket$0.01Top open Polymarket prediction markets for a topic, ranked by 24h volume: event title, end date, and per-market outcome probabilities (0-1) with USD volume, from the public Gamma API (live on-chain odds). Query: ?tag=crypto|politics|economy|fed|... (any Polymarket tag slug) &limit=1-10 (default crypto, 5). JSON, 5min cache.

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

Showing 7 of 7 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402-datashop-production.up.railway.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 9 checks

When (UTC)	Result	HTTP	Response
16 Oct, 18:49 UTC	Challenge detected	402	102ms
15 Oct, 11:37 UTC	Challenge detected	402	129ms
14 Oct, 00:19 UTC	Challenge detected	402	183ms
11 Oct, 22:04 UTC	Challenge detected	402	104ms
10 Oct, 06:39 UTC	Challenge detected	402	107ms
9 Oct, 03:33 UTC	Challenge detected	402	127ms
8 Oct, 00:44 UTC	Challenge detected	402	102ms
6 Oct, 21:30 UTC	Challenge detected	402	103ms
2 Oct, 05:04 UTC	Challenge detected	402	103ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 18:49 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 eu-verify?

Its listed price is $0.001.

What payment terms does eu-verify 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 eu-verify listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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