--- title: "Build Real-time Applications with the new \"watch\" API in Deno KV" url: https://daily.dev/posts/build-real-time-applications-with-the-new-watch-api-in-deno-kv-kywwysnqx source_url: https://deno.com/blog/kv-watch type: article source: "Deno" published: 2023-12-11T16:05:24.525Z updated: 2026-05-21T02:14:41.364Z tags: ["cloud", "server-sent-events", "webdev"] reading_time: 4 upvotes: 6 comments: 0 language: 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. # Build Real-time Applications with the new "watch" API in Deno KV **[Deno](https://daily.dev/sources/deno)** · 4 min read · 6 upvotes · 0 comments ## Summary Deno KV introduces the 'watch' API, which simplifies building real-time applications such as social media newsfeeds, chat applications, and collaborative editors. The API allows developers to listen to changes in Deno KV keys and provides examples of how it can be used along with server-side events or websockets. ## 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 · 0 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 - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#cloud](https://daily.dev/tags/cloud), [#server-sent-events](https://daily.dev/tags/server-sent-events), [#webdev](https://daily.dev/tags/webdev) [View this post on daily.dev](https://daily.dev/posts/build-real-time-applications-with-the-new-watch-api-in-deno-kv-kywwysnqx)