Parameters3
| Parameter | Type | Default | Example |
|---|---|---|---|
data | string | null | https://example.com |
format | string | null | png |
size | number | null | 512 |
Service overview
What is QR Hero?
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 — signage, business cards, slides — or to encode a public wallet address for x402 funding and top-ups.
Level up your agent by giving it access to thousands of services. All payable per-request via x402. No API keys, no accounts.
Paste into your agentic chat and let your agent guide you.
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Example request
npx awal x402 pay "https://qr.wdh.sh/" \
--method POST \
--data '{
"data": "{data}",
"format": "{format}",
"size": "{size}"
}'What you get back
{
"endpoint": "POST /",
"paid": true,
"query": "example input",
"result": {
"value": "Structured response from the service."
}
}API surface
Endpoints
1 crawlable route
FAQ
Questions Agents Ask About QR Hero
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