Discover / x402helper.xyz

x402helper.xyz

■ Challenge detected

Paid test endpoint — verifies that AI agents can successfully complete X402 micropayments

Listed price
$0.001
Challenge detected
9 of the last 9 checks
Median response
486 ms
Last checked
16 Oct, 13:59 UTC
In our index since
2 Oct 2026

Endpoint

curl -i https://x402helper.xyz/test-billing
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
5 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://x402helper.xyz

  • GET/89e509/legal/litigationNo price listedFind US court cases, opinions and dockets naming a business, with case name, court, date, citation, docket number and nature of suit.
  • GET/api/token/holders/:chainId/:addressNo price listedERC-20 token holders by chain - ranked by balance descending with first-acquired and transfer-initiation flags
  • GET/test-billingNo price listedPaid test endpoint — verifies that AI agents can successfully complete X402 micropayments
  • GET/api/ofac-wallet-screen/:addressNo price listedExact-match OFAC SDN wallet screening for sanctioned digital currency addresses. Screens one wallet address against Treasury's public SDN advanced XML and returns hit or clear status, asset coverage, sanctioned entity metadata, sanctions programs, list source, listing date, and a manual-review signal for onchain payment and treasury controls
  • GET/89e509/legal/patentsNo price listedLook up US granted patents by organization assignee or inventor name, returning patent id, title, grant date, type and assignees.

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

Showing 5 of 5 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402helper.xyz

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)ResultHTTPResponse
16 Oct, 13:59 UTCChallenge detected402486ms
15 Oct, 08:20 UTCChallenge detected402505ms
14 Oct, 00:19 UTCChallenge detected402515ms
11 Oct, 22:04 UTCChallenge detected402340ms
10 Oct, 06:39 UTCChallenge detected402511ms
9 Oct, 03:33 UTCChallenge detected402514ms
7 Oct, 21:31 UTCChallenge detected402373ms
6 Oct, 21:30 UTCChallenge detected402411ms
2 Oct, 05:04 UTCChallenge detected402473ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 13:59 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 x402helper.xyz?

Its listed price is $0.001.

What payment terms does x402helper.xyz advertise?

The listing advertises x402, Arbitrum, Base, BNB Chain, EVM chain 1329, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is x402helper.xyz listed?

In x402 Bazaar. Superstables first indexed it on 2 Oct 2026.

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