---
title: "What are the types of contract available in WCF?"  
description: "What are the types of contract available in WCF?"  
author: "Anonymous User"  
published: 2011-04-16  
updated: 2020-09-19  
canonical: https://www.mindstick.com/interview/761/what-are-the-types-of-contract-available-in-wcf  
category: "wcf"  
tags: ["wcf"]  
reading_time: 1 minute  

---

# What are the types of contract available in WCF?

**The main contracts are:**\
a) Service Contract:Describes what operations the client can perform.\
b) Operation Contract : defines the method inside Interface of Service.\
c) Data Contract:Defines what data types are passed\
d) Message Contract:Defines wheather a service can interact directly with messages

## Answers

### Answer by Anonymous User

**The main contracts are:**\
a) Service Contract:Describes what operations the client can perform.\
b) Operation Contract : defines the method inside Interface of Service.\
c) Data Contract:Defines what data types are passed\
d) Message Contract:Defines wheather a service can interact directly with messages


---

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