I read your project's description and got complete understanding of the task.
Dear Prospect Hiring Manager.
Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned
I have gone through your requirements and am able to work on your project.
I am an Experienced Full Stack Developer, you can look at my profile for my previous work.
Is your api in php or its Frameworks?