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Requirements of the Search API

Understand the key functional requirements such as searching, sorting, and pagination, alongside critical non-functional requirements like availability, scalability, security, and low latency. Learn how these aspects come together to build a search API capable of handling large data and user queries effectively, preparing you to design robust search services.

Introduction

Recently, applications over the Internet have become data intensive. Therefore, care should be taken when querying large-scale data because it can lead to poor application performance as the data and user base grow. Consequently, more and more applications are drawn toward the search feature to allow users to find specific content in their applications in an optimized way. The search feature often comes with tools like filtering and sorting to narrow down the data to be retrieved. A general search feature present on various websites is shown below, where queries can be added in the search bar, and the gear icon represents the tools or options available for refinement.

A search bar in many services leading to improved user experience
A search bar in many services leading to improved user experience

The search feature returns high-quality results based on user queries and quickly identifies relevant information from immense amounts of data. There are multiple advantages of having the search feature, some of which are listed below:

  • It’s possible to develop an autocomplete or typeahead service for users’ convenience based on what users search frequently.

  • An improved content recommendation can be accomplished based on what users search most.

  • Advertisements can be generated and recommended based on frequent search keywords to boost ...