How can I monitor the number of concurrent connections to the API to avoid server overload and 'ECONNRESET' errors?

Monitor your server's connection metrics (e.g., active connections, connection queue length) using server monitoring tools. Implement rate limiting in your C# application and/or on the server side to prevent overwhelming the API. Consider using a load balancer to distribute traffic across multiple servers, further reducing the load on individual servers and minimizing the risk of 'ECONNRESET' errors.