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💰 Paid API
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qr.wdh.sh
qr.wdh.sh
· qr.wdh.sh
QR code generation for agents, paid per call in USDC on Base via x402.
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qr.wdh.sh via a single DNS TXT record to add the
verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
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Our probe of this card is currently failing
Last probe error:
HTTP 402
Last attempt: 2026-08-15 15:41
Last success: 2026-08-15
Status: 402
Trust score
30/100
grade F · 9 criteria
Uptime
73.9%
69 probes
Observed inflow · 30d
—
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
stable
0 snapshots tracked
Owner
unverified
claim this listing →
Dispute or improve this rating
F
Conformance score: 30/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾
click to collapse breakdown ▴
F
Conformance score: 30/100
F-grade: card is reachable but fails most operational signals.
pass
Valid AgentCard
10/10
Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification).
info
Live JSON-RPC
0/25
Live probe hasn't run yet.
fail
Protocol version
0/10
No protocolVersion in card.
How to earn +10 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to every entry in `supportedInterfaces[]`. A2A v1.0 removed the AgentCard root field.
Docs →
info
JWS signature
0/10
Card is unsigned (most published agents are).
partial
Uptime track record
11/15
51/69 probes succeeded (74% uptime).
How to earn +4 points
Stabilise uptime
We probe every agent on a tiered schedule. Sustained 99 %+ uptime over 20+ checks scores full points. Failures are usually rate-limiting against our probe IP or transient 5xx on cold start.
Docs →
fail
Skill declaration
0/10
No skills declared in card. Hard to route to.
How to earn +10 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.
Docs →
partial
Verified Identity
5/10
Provider declared: qr.wdh.sh (https://qr.wdh.sh). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass
Freshness + modern flags
4/5
seen in upstream source within 0d
info
Security declaration
0/5
Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated.
Activity (audit trail)
last 24h · 0 calls Public aggregate · no PII recordedNo calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.
Uptime
73.9%
69 probes
Response
0ms
last probe
Skills
0
declared
Streaming
—
SSE-capable
Endpoints
From $0.0010 per call
| Endpoint | Price | Currency |
|---|---|---|
https://qr.wdh.sh/
|
0.001 | USDC |
Try it ↗
Opens the operator's playground / docs in a new tab.
| Agent card | https://qr.wdh.sh/.well-known/agent-card.json |
| Provider | https://qr.wdh.sh |
| Docs | https://qr.wdh.sh |
Discovered via
agentic_market
recrawl_warm
Health · last 10 probes
Similar agents embedding-nearest
Embed your Agenstry badge
Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.
Markdown / HTML snippets
[](https://agenstry.com/agents/qr.wdh.sh) [](https://agenstry.com/agents/qr.wdh.sh) [](https://agenstry.com/agents/qr.wdh.sh) [](https://agenstry.com/agents/qr.wdh.sh)
Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
our JWKS. See the methodology.
Raw agent card JSON
{
"_source": "agentic.market",
"service": {
"id": "qr-wdh-sh",
"name": "qr.wdh.sh",
"description": "",
"domain": "qr.wdh.sh",
"provider": "qr.wdh.sh",
"providerUrl": "",
"category": "",
"networks": [
"Base"
],
"enriched": false,
"endpoints": [
{
"url": "https://qr.wdh.sh/",
"description": "Generate a QR code as a PNG or SVG: POST the text or URL to encode (with an optional size from 64 to 2048px) and get back the image. Useful for any \"scan to view\" moment \u2014 signage, business cards, slides \u2014 or to encode a public wallet address for x402 funding and top-ups.",
"pricing": {
"amount": "0.001",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "POST",
"providerName": "",
"parameters": [
{
"group": "body",
"name": "data",
"type": "string",
"description": "",
"example": "https://example.com",
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "format",
"type": "string",
"description": "",
"example": "png",
"enumValues": [],
"default": null,
"required": false
},
{
"group": "body",
"name": "size",
"type": "number",
"description": "",
"example": 512,
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "QR Hero",
"tags": [
"qr-codes",
"images",
"generator"
],
"quality": null
}
],
"integrationType": "",
"isNew": false,
"priceSummary": {
"minAmount": "0.001",
"maxAmount": "0.001",
"avgCostPerTransaction": "0.001",
"avgCostBasis": "exact",
"currency": "USDC"
},
"serviceName": "QR Hero",
"tags": [
"qr-codes",
"images",
"generator"
],
"iconUrl": ""
}
}