Discover / k-data-x402-production.theblack1022.workers.dev

k-data-x402-production.theblack1022.workers.dev

■ Challenge detected

Current USD/KRW exchange rate (ECB reference via Frankfurter, fallback open.er-api.com).

x402
Base
USDC

Listed price: $0.005
Challenge detected: 10 of the last 10 checks
Median response: 362 ms
Last checked: 17 Oct, 08:59 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://k-data-x402-production.theblack1022.workers.dev/api/fx/usdkrw
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

2 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://k-data-x402-production.theblack1022.workers.dev/api

GET/research/latest$0.02Latest Korean brokerage equity research across all covered companies, newest first — company and KRX ticker, target price, rating, brokerage, analyst, and a one-line English summary of each report. Facts and summaries only; the report PDF stays with its publisher and source_url links back to it. Optional ?limit=20 (max 50).
GET/fx/usdkrw$0.005Current USD/KRW exchange rate (ECB reference via Frankfurter, fallback open.er-api.com).

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

Showing 2 of 2 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/k-data-x402-production.theblack1022.workers.dev

Recent checks

29 Sept 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 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 08:59 UTC	Challenge detected	402	286ms
16 Oct, 08:13 UTC	Challenge detected	402	390ms
14 Oct, 21:46 UTC	Challenge detected	402	378ms
13 Oct, 10:39 UTC	Challenge detected	402	122ms
11 Oct, 10:02 UTC	Challenge detected	402	326ms
9 Oct, 21:31 UTC	Challenge detected	402	345ms
8 Oct, 18:39 UTC	Challenge detected	402	669ms
7 Oct, 15:42 UTC	Challenge detected	402	336ms
6 Oct, 15:34 UTC	Challenge detected	402	717ms
29 Sept, 17:03 UTC	Challenge detected	402	1013ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 08:59 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 k-data-x402-production.theblack1022.workers.dev?

Its listed price is $0.005.

What payment terms does k-data-x402-production.theblack1022.workers.dev 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 k-data-x402-production.theblack1022.workers.dev listed?

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

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