--- title: Write your own Zod | daily.dev description: Learn how to create your own Zod library from scratch in Typescript, which provides runtime validation and type safety by defining schemas. canonical: https://daily.dev/posts/write-your-own-zod-gl3qxodif twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Write your own Zod | daily.dev og:description: Learn how to create your own Zod library from scratch in Typescript, which provides runtime validation and type safety by defining schemas. og:url: https://daily.dev/posts/write-your-own-zod-gl3qxodif og:image: https://api.daily.dev/og/posts/gl3qxOdif.png og:image:alt: Write your own Zod 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. # Write your own Zod **[Community Picks](https://daily.dev/sources/community)** · 8 min read · 38 upvotes · 0 comments ## Summary Learn how to create your own Zod library from scratch in Typescript, which provides runtime validation and type safety by defining schemas. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#typescript](https://daily.dev/tags/typescript), [#zod](https://daily.dev/tags/zod) [View this post on daily.dev](https://daily.dev/posts/write-your-own-zod-gl3qxodif) ```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":"Write your own Zod","url":"https://daily.dev/posts/write-your-own-zod-gl3qxodif","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/write-your-own-zod-gl3qxodif"},"datePublished":"2023-10-24T14:38:15.230Z","dateModified":"2025-09-06T02:42:58.955Z","description":"Learn how to create your own Zod library from scratch in Typescript, which provides runtime validation and type safety by defining schemas.","image":"https://zackoverflow.dev/writing/write-your-own-zod/asdjsk","thumbnailUrl":"https://zackoverflow.dev/writing/write-your-own-zod/asdjsk","isAccessibleForFree":true,"articleSection":"Community Picks","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Community Picks","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1655817725/logos/community","url":"https://daily.dev/sources/community"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/write-your-own-zod-gl3qxodif","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":38},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"typescript,zod","timeRequired":"PT8M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Community Picks","item":"https://daily.dev/sources/community"},{"@type":"ListItem","position":3,"name":"Write your own Zod"}]} ```