Paddle & Lemon Squeezy Integration

My SaaS is running on a “Lovable” stack and I already hold active accounts with both Paddle and Lemon Squeezy. What I need now is a clean, production-ready integration that: • Lets new and existing users... (Budget: $30 - $250 USD, Jobs: API Development, Backend Development, HTML, MySQL, Payment Gateway Integration, PHP, REST API, SaaS Development, Software Architecture, Web Development)