Must Have Features In API Design!

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You keep a few things in mind before start constructing APIs. These ideas will catalyse your API development process and make it easier for your team to communicate effectively. Let’s examine each of these things in turn.

Security and Authorization

Verifying the proper identification is the act of authentication. Authorization is whether or not to permit a verified user to take a specific action on a particular source. Some of the frequently used specifications for handling this authentication and authorization are JWT, OAuth, and OAuth2.

Pagination, Query, Filter, Sorting

Eventually, your database will expand. You will then notice that some resources are retrieving information more slowly than usual. Caching your objects and creating pagination and filtering are two standard approaches to this situation. Creating API integration is also essential because it enables the organization to automate processes.

Sorting ensures that each piece of information is delivered to the user sequentially following the request, modification, and condition made. Choosing how much information should get presented and how frequently is called paging. These things guarantee quick processing, prompt responses, and high levels of security.


The user can retrieve resources at an incredible speed by developing a cache mechanism. The cost of your requests will go down after your data is prepared to be used in an in-memory database. You can use for this API development.


Language-specific packages or containers known as API wrappers combine groups of API requests into convenient functions. Without the user’s involvement, the wrapper makes several API calls.


The REST application architecture includes a module called HATEOAS (Hypermedia as the Engine of Application State), which sets it apart from most other network application designs. Hypermedia is any content connecting another media piece, such as an image, text, or video. A client can only communicate with a REST API through dynamic answers provided by the server when using HATEOAS. This idea is comparable to how a web user might navigate between pages of a website by clicking on hyperlinks to get where they want to go.


In APIs, validating data means making sure it is accurate. Server validation and client-side validation are the two types of validation. Client-side validation is typically accomplished by promptly providing feedback, for as by marking the incorrect entry in red or providing a tooltip for adjustment, etc.

An essential part of API development is server-side validation. It comprises certain tedious chores, such as determining whether a property is necessary, what kind of property it is (email, account number, etc.), or whether a property is not required if another property is present.

Handling errors

Because it determines whether the issue gets caused by a client or server error, effective error handling can facilitate troubleshooting.

For some issues, the client can modify the request; for other errors, they must get in touch with support. The following list includes several effective error handling techniques:

  • Utilize error codes that adhere to recognized standards
  • providing the ideal quantity of errors
  • describing the error’s root
  • separating domain-specific from overall mistakes.
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