QR Code & Barcode API

QR Code & Barcode API — QR codes (PNG/SVG) + 1D barcodes (EAN13/UPC/CODE128/Code39/ITF14).

What you get

• POST /v1/qr · POST /v1/barcode — primary endpoint.
• X-API-Key authentication, per-key rate limits, audit log.
• OpenRouter-backed where AI is involved — no model keys to manage on your side.
• Interactive Swagger docs at api-qr.knowlez.com/docs.

Plans

• Starter — $9/mo · 5,000 codes included · $0.0005/code overage.
• Pro — $29/mo · 100,000 codes included · $0.0002/code overage.