qr3.app is a developer-first platform for dynamic QR codes and EU Digital Product Passports. Ship through REST API, TypeScript SDK, CLI, MCP server, or dashboard; add scan analytics, webhooks, batch creation, dynamic destinations, and SVG/PNG export. Battery and textile DPPs include a GS1 Digital Link resolver and live checks for the EU Battery Regulation, French AGEC, ESPR, and REACH-SVHC. Cloudflare-edge, privacy-first, with a free tier.
A public bidboard where the bid decides the rank. Every listing is readable by people and by machines: open JSON API, WebMCP, Markdown on every page, no key required.
