What are the most common challenges a .NET Web API developer faces when integrating APIs with front-end applications?

One of the most common challenges .NET Web API Developers encounter is ensuring seamless communication between the back-end APIs and diverse front-end frameworks. Issues such as handling CORS, authentication, consistent data formatting, and version control can arise during integration. Developers also need to coordinate closely with front-end teams to clarify API specifications and troubleshoot integration bugs. Proactive documentation, regular communication, and thorough testing are essential strategies to overcome these challenges, ensuring a smoother development workflow.