Invoice as a Service vs SwissQR Bill

Simple invoicing REST API — send JSON, get a PDF

A dead-simple invoicing microservice. Send a JSON payload with your invoice data, get back a beautifully formatted PDF. No database, no accounts, no UI — just an API endpoint you can integrate into any stack. Self-hostable, Docker-ready, and perfect for developers who want programmatic invoice generation without a SaaS dependency.

Swiss QR Bill generation for Node.js and browsers

Generate Swiss QR payment slips in Node.js or directly in the browser. Supports PDF and SVG output, customizable styling, and full compliance with the Swiss QR bill standard. Zero open issues, actively maintained. Essential for any developer building billing or invoicing features for the Swiss market.