Discover / agentcheck-kohl.vercel.app

AgentCheck

■ Challenge detected

AgentCheck: independent report on an x402 seller before you pay it. Are its buyers real (repeat wallets on their own money) or funded by the seller itself, measured from 30 days of on-chain payments, plus results of our own paid test purchases where we have them. Query: ?domain=<seller-domain>. GET /sellers (free) lists covered domains.

Listed price
$0.002
Challenge detected
9 of the last 9 checks
Median response
87 ms
Last checked
16 Oct, 23:40 UTC
In our index since
3 Oct 2026

Endpoint

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

  • GET/snapshot$0.005Agent-payments market snapshot, measured by us: x402 Bazaar listings, sellers, 30-day paid calls, concentration, how many sellers have real buyers, registry dead rates, wallet shelf sizes. Dated JSON.
  • GET/bazaar.csv$0.02Every seller in the x402 Bazaar as one CSV (2,046 rows), ranked by paid calls in the last 30 days: listings, calls, unique payers, last call, price range, networks, sample description.
  • GET/report$0.002AgentCheck: independent report on an x402 seller before you pay it. Are its buyers real (repeat wallets on their own money) or funded by the seller itself, measured from 30 days of on-chain payments, plus results of our own paid test purchases where we have them. Query: ?domain=<seller-domain>. GET /sellers (free) lists covered domains.

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

Showing 3 of 3 listed endpoints.

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

Recent checks

3 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)ResultHTTPResponse
16 Oct, 23:40 UTCChallenge detected402285ms
15 Oct, 19:10 UTCChallenge detected40280ms
14 Oct, 14:31 UTCChallenge detected40295ms
12 Oct, 10:53 UTCChallenge detected40279ms
10 Oct, 15:44 UTCChallenge detected402222ms
9 Oct, 09:34 UTCChallenge detected402248ms
8 Oct, 03:32 UTCChallenge detected40266ms
7 Oct, 00:45 UTCChallenge detected40287ms
3 Oct, 05:05 UTCChallenge detected40258ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 23:40 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 AgentCheck?

Its listed price is $0.002.

What payment terms does AgentCheck 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 AgentCheck listed?

In x402-list.com and x402 Bazaar. Superstables first indexed it on 3 Oct 2026.

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