Hi, I've read your project details and I can definitely offer you the expertise and skills you need to accomplish your project successfully. With significant experience in HTML, MySQL, PHP, Web Development, and API integrations, I'm confident that I can create a secure and user-friendly solution for your project.
As one of the things that sets me apart is my commitment towards quality work, I assure you of a service that not only fulfils your initial needs but also gives room for scalability. Having completed similar projects in the past, I am well aware of the potential challenges involved in managing multiple courses and users.
Lastly, let me assure you that as someone who values effective communication and prompt responses, I'm readily available if you have any queries or need any changes post project delivery. Team up with me and let’s bring your vision to life!