QR code generator: text, URL, payment URI (e.g. ethereum:/USDC request) or Wi-Fi...
https://freetier-agent-api.pages.dev/api/qr-codeOverview
QR code generator: text, URL, payment URI (e.g. ethereum:/USDC request) or Wi-Fi credentials (ssid + password) to a QR code as SVG (inline + data URI) and/or GIF data URI. Error correction L/M/Q/H, scale, quiet-zone margin, colours, optional 0/1 module matrix. UTF-8 byte mode, computed locally, nothing stored.
Protocol
x402
Price
$0.0015
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Agent Extraction API
Source
self-registered
Indexed
2026-10-26 12:51:21
Health
Status
unknown
Latency (p50)
517ms
Uptime (30d)
98.5%
Reliability Score
81.2/100
Last Checked
2026-10-31 06:59:02
Last Healthy
2026-10-31 05:59:31
Consecutive Failures
1
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"text": "https://freetier-agent-api.pages.dev"
},
"type": "http"
}
Output Schema
{
"example": {
"bytes": 36,
"ecc": "M",
"gif_data_uri": "data:image/gif;base64,R0lGODdhSgBKAIAAAAAAAP///ywAAAAASgBKAAAC/4yPqcvtD6OctNqLs968+w+G4kiWZgKk6roaKfIeLODSQTzntqTPNby7sX7CWk9FiTFwNt+jVWwoI1MF04h8ZquoIIQJBee...",
"kind": "text",
"library": "qrcode-generator 2.0.4 (MIT, Kazuhiko Arase)",
"margin": 4,
"matrix": [
"11111110100100111010101111111",
"10000010101110000001101000001"
],
"modules": 29,
"more": {
"full_datasets": "https://freetier-kits-shop.fourthwall.com",
"note": "Full dataset downloads available by card"
},
"note": "Byte mode, UTF-8. Keep the margin (quiet zone) at 4 for reliable scanning. QR Code is a registered trademark of DENSO WAVE INCORPORATED.",
"scale": 2,
"size_px": 74,
"svg": "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 74 74\" width=\"74\" height=\"74\" shape-rendering=\"crispEdges\"><rect width=\"100%\" height=\"100%\" fill=\"#fffff...",
"svg_data_uri": "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA3NCA3NCIgd2lkdGg9Ijc0IiBoZWlnaHQ9Ijc0IiBzaGFwZS1yZW5kZXJpbmc...",
"text": "https://freetier-agent-api.pages.dev",
"version": 3
},
"type": "json"
}