Hi there,
Based on project descriotion you want to automate task using .NET and API Call with PHP as backend.
Please find my profile and portfolio link: https://www.freelancer.com/u/veerendarshah
The response to this proposal is without the use of auto-bidding software, as I am an individual developer and read your specifications personally.
Overall, I have 7+ years of experience in .NET, Node.js, HTML, CSS, JS, and Web Development tools and exposure systems in various domains such as Realtime, Database, IoT, Web, and Automation.
Let's talk further on the private chatbox to properly understand your requirement and estimate time and cost, waiting for your reply.
Veerendra