--- title: How NestJS Reads Request Data | daily.dev description: A brief introduction to NestJS parameter decorators for reading request data. Covers how to use the @Query() decorator to extract query string parameters from... canonical: https://daily.dev/posts/how-nestjs-reads-request-data-ulsy1sdcu twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How NestJS Reads Request Data | daily.dev og:description: A brief introduction to NestJS parameter decorators for reading request data. Covers how to use the @Query() decorator to extract query string parameters from... og:url: https://daily.dev/posts/how-nestjs-reads-request-data-ulsy1sdcu og:image: https://api.daily.dev/og/posts/ulsy1SdcU.png og:image:alt: How NestJS Reads Request Data og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How NestJS Reads Request Data **[JavaScript Mastery](https://daily.dev/sources/javascriptmastery)** · 1 min read · 1 upvotes · 0 comments ## Summary A brief introduction to NestJS parameter decorators for reading request data. Covers how to use the @Query() decorator to extract query string parameters from incoming HTTP requests, with a simple example of filtering users by name in a type-safe manner using TypeScript. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### How do I read a query string parameter in NestJS? Use the @Query decorator imported from NestJS on a route handler parameter, specifying the query key name and optionally a TypeScript type like string for type safety. For example, adding @Query('name') name: string to a GET users handler lets you access ?name=Adrian from the URL as the name variable inside the handler. _Developers wiring up NestJS routes can revisit decorator patterns like this via daily.dev._ ## Similar posts on daily.dev - [NestJS Dependency Injection: Source Code, Type Erasure Hacks, and Building Your Own IoC Container from Scratch](https://daily.dev/posts/nestjs-dependency-injection-source-code-type-erasure-hacks-and-building-your-own-ioc-container-fr-74fnlhzd6) · Medium · 0 upvotes · 0 comments - [Intro to Nest.js: Server-side JavaScript development on Node](https://daily.dev/posts/intro-to-nest-js-server-side-javascript-development-on-node-2bm9sgdhw) · InfoWorld · 10 upvotes · 0 comments --- Tags: [#typescript](https://daily.dev/tags/typescript), [#rest-api](https://daily.dev/tags/rest-api), [#nestjs](https://daily.dev/tags/nestjs) [View this post on daily.dev](https://daily.dev/posts/how-nestjs-reads-request-data-ulsy1sdcu) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"How NestJS Reads Request Data","url":"https://daily.dev/posts/how-nestjs-reads-request-data-ulsy1sdcu","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-nestjs-reads-request-data-ulsy1sdcu"},"datePublished":"2026-07-08T10:58:51.740Z","dateModified":"2026-09-14T09:07:52.585Z","description":"A brief introduction to NestJS parameter decorators for reading request data. 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