What methods are used by .NET development companies for API development?

.NET development companies use frameworks like ASP.NET Web API to build secure, scalable APIs. RESTful architecture is preferred for lightweight and efficient communication, while gRPC is used for high-performance needs. Authentication methods like OAuth2 and API keys are implemented to secure endpoints. Swagger is used for API documentation, enabling easy integration for clients. Dot net development company employ rate-limiting techniques to prevent misuse and ensure stability under high traffic. Automated testing is conducted using Postman or similar tools to ensure reliability. These methods produce APIs that are efficient, secure, and easy to consume.