Cosmic – Headless CMS and API toolkit v2.0

In plain words

Cosmic is a headless CMS that provides a web dashboard for creating content and APIs for delivering it to websites and applications. Designed for developers and content teams, it eliminates the need to build and maintain custom content management infrastructure. The platform offers an API-first approach, allowing users to manage content centrally and distribute it across multiple digital properties. Free plans are available.

written from the facts on this page · September 2026

From the sources

In the maker’s words, at launch

Hello HN, I’m Tony, the CEO of Cosmic (YC W19). We just released Cosmic 2.0. This release is the result of two years of dedicated work by our team which we are proud to share with you. Our new website: https://www.cosmicjs.com Documentation: https://www.cosmicjs.com/docs. Sign up for the new…

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  Cosmic 2.02023 · cosmicjs.com · ▲94

  Cookieless web analytics built into your CMS

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  New Cosmic JS GraphQL API Release2019 · cosmicjs.com · ▲13

  Cosmic is the managed headless CMS for content teams. Editors publish without tickets. One platform across sites, brands, and locales.

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  Easily Add a CMS to Your JavaScript App2015 · github.com · ▲17

  *API v2 JavaScript client for Cosmic. See important message in README - cosmicjs/cosmicjs-node

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  Cosmic CLIFeb 2026 · cosmicjs.com · ▲117

  Hi HN, I'm Tony, founder of Cosmic (a headless CMS). We just open-sourced a CLI that covers the full lifecycle of a content-driven app from creating the content model to deploying to production to updating the codebase all without leaving the terminal. Here's what the full workflow looks like: # Create a project with an AI-generated content model cosmic projects create # → "A recipe blog with recipes, categories, and authors" # Generate content cosmic content -p "Create 5 recipes with images across different categories" # Build a full-stack app wired to your content cosmic build -p "A modern…

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  The original GraphQL CMS, evolved.

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