![HTTP Verbs
Create
Post
Read
Get
Update
Put
Delete
Delete
To insert the data into the database, the
method must be defined as a POST method.
To define a Post method, we decorate a
method with [HttpPost].](https://image.slidesharecdn.com/crestapi-220616200749-367d9f75/85/C-REST-API-15-320.jpg)
![HTTP Verbs
Create
Post
Read
Get
Update
Put
Delete
Delete
Retrieving data or information is possible
through the Get verb. To define a Get method
we decorate a method with [HttpGet].](https://image.slidesharecdn.com/crestapi-220616200749-367d9f75/85/C-REST-API-16-320.jpg)
![HTTP Verbs
Create
Post
Read
Get
Update
Put
Delete
Delete
To Update or modify the data in the database,
the method must be defined as a PUT method.
To define a Put method we decorate a method
with [HttpPut].](https://image.slidesharecdn.com/crestapi-220616200749-367d9f75/85/C-REST-API-17-320.jpg)
![HTTP Verbs
Create
Post
Read
Get
Update
Put
Delete
Delete To Delete the data from the database, the
method must be defined as a DELETE
method. To define a Delete method we
decorate a method with [HttpDelete].](https://image.slidesharecdn.com/crestapi-220616200749-367d9f75/85/C-REST-API-18-320.jpg)
Uploaded bySimplilearn
C# REST API
The document provides an overview of REST API, its principles, and how it operates using HTTP methods (verbs) such as POST, GET, PUT, and DELETE, along with HTTP status codes. It highlights constraints specific to C# REST API, including uniform interface, statelessness, client-server separation, cacheability, and layered architecture, which enhance scalability and simplify design. The key takeaway emphasizes that REST API facilitates communication between clients and servers over HTTP, serving as a gateway to access resources.
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C# REST API
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- 6. Agenda Constraints of C#REST API
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- 10. What is RESTAPI? REST is an abbreviation for Representational State Transfer. REST is a distributed system architectural style.
- 11. What is RESTAPI? It is founded on a set of principles that defines and addresses network resources. RESTful services communicate using HTTP (HyperText Transfer Protocol).
- 12. What is RESTAPI? The REST system communicates with external systems via web resources identified by URIs (Uniform Resource Identifiers).
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- 15. HTTP Verbs Create Post Read Get Update Put Delete Delete To insertthe data into the database, the method must be defined as a POST method. To define a Post method, we decorate a method with [HttpPost].
- 16. HTTP Verbs Create Post Read Get Update Put Delete Delete Retrieving dataor information is possible through the Get verb. To define a Get method we decorate a method with [HttpGet].
- 17. HTTP Verbs Create Post Read Get Update Put Delete Delete To Updateor modify the data in the database, the method must be defined as a PUT method. To define a Put method we decorate a method with [HttpPut].
- 18. HTTP Verbs Create Post Read Get Update Put Delete Delete ToDelete the data from the database, the method must be defined as a DELETE method. To define a Delete method we decorate a method with [HttpDelete].
- 20. HTTPS Status Codes 1xxSeries : Information Codes 2xx Series : Success Codes 3xx Series : Redirect Codes 4xx Series : Client Error Codes 5xx Series : Server Error Codes
- 21. HTTPS Status Codes StatusCode Status Description 200 OK 201 Created 202 Accepted 204 No Content 200 Series
- 22. HTTPS Status Codes StatusCode Status Description 400 Bad Request 401 Unauthorized 403 Forbidden 404 Not Found 400 Series
- 23. HTTPS Status Codes StatusCode Status Description 500 Internal Server Error 501 Not Implemented 503 Service Unavailable 504 Geteway Timeout 500 Series
- 25. Constraints of C#REST API
- 26. Constraints of C#REST API Uniform Interface The uniform interface requirement specifies how clients and servers interact. It decouples and simplifies the design, allowing each component to evolve independently.
- 27. Constraints of C#REST API Stateless A single client can submit many requests to the server, but each one must be independent. Each request must have all of the essential information for the server to understand and process it properly. The server must not store any information about the client's current status in this situation.
- 28. Constraints of C#REST API Client-Server Client and server are separated due to uniform interface. Thus, clients aren't concerned with server-side data storage, boosting code portability. Servers are simpler and more scalable since they don't care about user interface or state. If the interface isn't changed, servers and clients can be replaced and developed independently.
- 29. Constraints of C#REST API Cacheable Since many clients connect to the same server and often ask for the same resources, it is important that these responses can be cached. By doing so, unnecessary processing can be avoided, and overall speed can be considerably improved.
- 30. Constraints of C#REST API Layered System Normally, a client cannot know whether it is connected directly to the end server or through an intermediary. By facilitating load balancing and providing shared caches, intermediary servers can improve system scalability. Security policies can also be enforced by layers.
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- 34. Takeaway REST-API serves asthe interface, and communication between the client and server takes place over HTTP.
- 35. The REST-API alsoserves as a gateway or a single point of access into the system. Takeaway
- 36. When a clientrequests a RESTful API, it sends a representation of the resource's state to the requester or endpoint. Takeaway