QR Redirect to governmental Verification page

I already have an app that creates PDFs as a copy of governmental system and embed a QR that currently points back to my own domain. What I now need is modify on my app , once scanned, to land users on... (Budget: $750 - $1500 USD, Jobs: API Development, Backend Development, HTTP, JavaScript, Node.js, Python, Reverse Engineering, Web Development, Web Scraping, Web Services)