qr-code-api

Open-source QR code platform: free static codes with no sign-up or watermark, dynamic codes with hosted pages and scan analytics, a REST API, image API, MCP server, CLI and React library. Self-hostable.

QR Code Studio — Privacy-First Generator & Scanner | Generate and scan QR codes entirely in your browser. No server, no tracking, 100% private.

Case de Business Analysis em logística portuária: estoque em trânsito, app de motoristas, APIs REST, SIT/UAT, QR Code e go-live.

Free self-hosted QR code generator API source code in PHP and MySQL with dynamic QR analytics.

QR Code generation API for Cloudflare Workers. PNG is the default output; SVG is available via format=svg. Features 🚀 Cloudflare Workers - Serverless deployment with global edge locations 🎨 Formats - PNG (default) and SVG 🌈 Color Customization - Custom foreground and background colors 📏

Simple PHP library for generating QR codes.

Official Java SDK for the ChartQuery chart and QR code API.

Official PHP SDK for the ChartQuery chart and QR code API.

Official Node.js and TypeScript SDK for the ChartQuery chart and QR code API.

QR Code Generator A versatile QR code generator app built with vanilla JavaScript. Create custom QR codes with ease, enhanced by engaging animations and keyframes for a visually captivating experience.

Official Go SDK for the ChartQuery chart and QR code API.

Official command-line interface for the ChartQuery chart and QR code API.

Runnable examples for the QR Maker REST API

Official Python SDK for the ChartQuery chart and QR code API.

Official MCP server for the ChartQuery chart and QR code API.

Generate printable QR-code ID cards for a student/subject roster via the Printcart Studio API — TypeScript/Node.js SDK example.

Official EZQR API — Generate, update, and track QR codes programmatically.

Better QR is a free, open-source QR code design studio that lets users generate, customize, and export QR codes with ease. Featuring multiple QR types, creative design tools, and flexible export options, it makes QR creation simple, accessible, and visually appealing for businesses, creators, and everyday use.

Working examples for the Linkbreakers API, SDKs and MCP server: dynamic QR codes, short links, scan tracking

Generate a QR code from any text or URL via a verified x402 endpoint. No API key, pay-per-code in USDC.