{"name":"qr-generator","description":"Generates PNG or SVG QR codes from text, URLs, vCards, WiFi strings, and plain text with configurable size, margin, colors, and error correction. Use it as a QR generator API, create-QR-code endpoint, text-to-QR, or link QR generator.","price":"$0.001","method":"POST","input_schema":{"properties":{"text":{"type":"string","description":"Text to encode. Any string up to ~4296 chars."},"format":{"type":"string","enum":["png","svg"],"description":"Output image format. Default 'png'."},"size":{"type":"number","description":"Image side length in pixels. Range [64, 1024]. Default 256."},"error_correction":{"type":"string","enum":["L","M","Q","H"],"description":"Reed-Solomon error-correction level."},"margin":{"type":"number","description":"Quiet-zone margin in modules. Range [0, 20]. Default 4."},"foreground":{"type":"string","description":"QR module color as 6 or 8-digit hex."},"background":{"type":"string","description":"Background color as 6 or 8-digit hex."}},"required":["text"]},"input_example":{"text":"https://x402.agentutility.ai","format":"png","size":256},"output_example":{"format":"png","size":256,"content_type":"image/png"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}