Discover / qr.wdh.sh
WDH.sh — QR Codes
■ Challenge detectedQR code generation for agents, paid per call in USDC on Base via x402.
- Asked in its payment challenge
- $0.001
- Challenge detected
- 3 of the last 3 checks
- Median response
- 442 ms
- Last checked
- 16 Oct, 18:49 UTC
- In our index since
- 14 Oct 2026
Endpoint
curl -i https://qr.wdh.sh # 402 Payment Required: pay with an x402 client (USDC on Base), # then send the same request again with the payment attached.
Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/qr.wdh.sh
Recent checks
14 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 3 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 16 Oct, 18:49 UTC | Challenge detected | 402 | 213ms |
| 15 Oct, 14:11 UTC | Challenge detected | 402 | 442ms |
| 14 Oct, 08:45 UTC | Challenge detected | 402 | 453ms |
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 WDH.sh — QR Codes?
Its payment challenge on 16 Oct 2026 asked for $0.001.
What payment terms does WDH.sh — QR Codes advertise?
The listing advertises x402, Base and USDC. Check the seller's current payment challenge and authentication requirements before paying.
Where is WDH.sh — QR Codes listed?
In x402-list.com. Superstables first indexed it on 14 Oct 2026.
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