API and API Design

Backend Engineering

API and API Design

7 Resources

  • What is an API?
  • Types of APIs
  • REST API Architectural Constraints
  • API Specifications →  HATEOAS
  • Designing REST API → API Endpoint URL
  • Designing REST API → Resource Names, Actions & Associations
  • Designing REST API → HTTP API Request Flow and HTTP Status Codes

    • Overview
    Learn APIs and API design

    What is an API?

    An API (Application Programming Interface) is a set of rules and protocols for building and interacting with software applications. APIs are crucial in backend development to enable data flow between a server and a client or between different servers.

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    Types of APIs

    Application Programming Interfaces (APIs) enable communication between different software systems. Here are the most commonly used types of APIs:

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    REST API Architectural Constraints

    REST (Representational State Transfer) is an architectural style that provides constraints to create a service that can be easily scalable, simple to use, and maintainable. One of REST's core principles is applying specific architectural constraints. There are 6 different RESTful API Architectural Constraints viz:

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    API Specifications →  HATEOAS

    HATEOAS is a constraint of REST (Representational State Transfer) that distinguishes it from other network application architectures. According to REST, a client interacts with a network application entirely through hypermedia provided by application servers.

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    Designing REST API → API Endpoint URL

    Designing a RESTful API involves establishing a well-structured and easy-to-understand interface for clients to interact with your system. One of the foundational elements in this design is the construction of API endpoint URLs.

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    Designing REST API → Resource Names, Actions & Associations

    Designing a RESTful API involves defining clear and consistent resource names, actions, and associations to ensure clients' ease of use and understanding.

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    Designing REST API → HTTP API Request Flow and HTTP Status Codes

    Designing a RESTful API involves creating a structured and predictable flow for handling client requests and returning appropriate HTTP status codes to indicate the result of each request.

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