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Rest API desing [DSP2017 #02]

Rest API best practices

During creating an http api we should remember about few rules.
  1. As a API designers we must know how to name our endpoints. When we have a library which contains users and their books. As a collection we should use a plural form of verb like books and users. Below we can find examples of endpoints for certain activity and strict HTTP methods
    • Add new book: /users/{userId}/books/{bookId} POST
    • Get book: /users/{userId}/books/{bookId} GET
    • Edit book: /users/{userId}/books/{bookId} PUT
    • Remove book: /users/{userId}/books/{bookId} DELETE 
  2. Status codes
    • 200 OK
    • 201 Created
    • 202 Accepted - request has been accepted but not completed.
    • 204 Non content - the request is correct but no content in response body.
    • 400 Bad request
    • 401 Unauthorized
    • 403 Forbidden
    • 404 Not found
    • 408 Request time out
    • 409 - Conflict - duplicate data or invalid data state would occur.
    • 500 Internal server error
    • 501 Not implemented
    • 503 Service unavailable   
I think that above list is the most important when we start with creating API. If we will keep in mind this rules our work will be easiest and more professional :) For further learning please visit the resource materials.

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