Cosmic JS

Verified detail: Managed headless CMS for content teams.

CategoryHeadless CMS

Best suited to

Custom frontends and multi-channel content.

Pricing & plansFree plan available

Key facts

Verified detail	Managed headless CMS for content teams
Best suited to	Custom frontends and multi-channel content.
Before you commit	Before choosing: which API, asset and editor limits apply to your project?
Pricing & plans	Free plan available Official website ↗
Source	www.cosmicjs.com ↗

Oct 21, 2026

Free plan available

Free plan with usage limits; paid tiers are separate.

Live websites detected by BuiltWith. Leading countries; partial coverage. · Source ↗

Jul 19, 2016
Launch
Cosmic JS opened its public beta for managing content through APIs.
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Jan 31, 2023
Product update
Cosmic API v3 / dashboard beta introduced a rebuilt dashboard and API v3 with stricter content models and migration requirements.
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Jun 21, 2023
Governance
Cosmic announced December 21 retirement of its legacy dashboard and older REST/GraphQL APIs, requiring migration to newer services.
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Jan 23, 2024
Product update
Cosmic released open-source Blocks: reusable Next.js and React Server Components connected to CMS content, draft previews and localization.
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Apr 23, 2024
Product update
Cosmic Pages enabled one-click publishing of content objects to hosted public URLs, allowing review without a custom frontend or CMS login.
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