QR Code API
4 endpoints for QR code generation and decoding: basic generation with default styling, fully styled generation (custom hex colours, module size, border, error-correction level), batch generation of up to 20 codes per call, and image decoding via libzbar (returns content + bounding boxes for any QR codes detected). Returns base64 PNG to keep the x402 envelope consistent.
1 of 4 routes settlement-verified · $0.001 USDC/request · 4 endpoints / 4 tools · Tools · base network · x402 protocol
Verified routes
/generate/basic· $0.001 · 2026-08-03 · receipt
Other routes are unverified.
Networks: Base (settlement-verified)
Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.
url https://payapi.market/mcpAbout this API
QR Code API is listed in the Tools category with pricing at $0.001 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-08-03. View receipt on Basescan.
Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.
This API exposes 4 endpoints. Only the verified route has been tested by PayAPI Market. Other routes are unverified.
How to call this API
Every protected route returns HTTP 402 with x402 payment requirements. An agent pays the stated USDC amount on Base and retries with the payment header. No API keys, no accounts. Browse the marketplace or list your own API.
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