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This article mainly explains "what is the difference between Web API and WCF". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the difference between Web API and WCF".

This paper mainly compares ASP.NET WEB API and WCF, as follows

There are many technologies available that allow you to create services consumed by different clients, which may enable web applications, windows applications, mobile applications, and so on.

Services can support http or other protocols.

WCF (Windows Communication Foundation) with WCF you can build secure and reliable services and achieve cross-platform inheritance and smooth interaction.

Web API, a framework for building HTTP services. Now we all use mobile phones, tablets, apps and a variety of different types of services, WEBAPI is a simple and reliable platform. With web API you can create a complete REST service.

SOAP (Simple Object Access Protocol) is a protocol proposed by Microsoft to create structured data or messages transmitted over the Internet. SOAP is the main basis for using WCF and XML formats, and web Service builds WSDL (Web Service Deion Language) files that provide data information about support u. The WSDL file is used by the client to understand the methods available in the service.

REST (Representational State Transfer) is not a protocol like SOAP, it is an architectural design pattern used to build WEb Service. Web APi uses this pattern to build web services. Fundamentally, Web API is a resource-driven architecture that exposes service endpoints to clients. Web API supports the complete REST style. It uses GET,PUT,POST,DELETE to communicate with the client.

Interactivity:

REST ful services, such as Web APi, are simple, lightweight, support HTTP protocol requests, and are easy to obtain. Unlike SOAP, it requires the client to understand WSDL to complete the service. WSDL uses additional configuration and requires additional logic, which may not be so convenient for many devices such as mobile phones, smart TVs, tablets, etc. It is precisely because WCF supports multiple protocols that it can be consumed by clients of many different protocols (HTTP, TCP, MSMQ, etc.).

Configuration Management:

You need to use more configurations to get WCF services than Web APi clients. WCF uses more configuration items (such as endpoints, behaviors, etc.)

To expose services, but WEB API has more specifications to customize services for clients.

Speed:

Because RESTFUL services use the HTTP protocol and HTTP's request / response is lighter than SOAP, web PI is the best choice if you plan to build services for low-traffic devices or mobile phones. Compared with SOAP,HTTP, the request / response is more readable, so SOAP contains more complex elements such as header, body and so on.

Security:

WCF provides a high level of security at the enterprise level, using the WS-I standard to provide security services. Web APi uses the security measures of the web standard, such as basic authentication, token, authentication

And more complex OAuth, webAPi appear to be more flexible. If you need to verify external services such as Google, facebook, etc., use SOAP.

To sum up:

1. If you need to build a service for different platforms, use WCF

2. If you need to build Internet-based services, choose to use Web API.

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