What is CosmicJS?

Cosmic is a headless CMS that delivers content via a content API for omnichannel publishing.It provides integrations and starter kits for frameworks such as React, Next.js, Vue, Gatsby, and Astro to accelerate development.

Key features include an image CDN, mobile-friendly content management, content modeling, versioning, and user role controls for marketing and product teams.Developer-focused tooling and SDKs streamline content retrieval and API-driven workflows for web, mobile, and static-site generators.

Enterprise capabilities cover scalability, third-party integrations, and documentation, changelogs, and community resources for implementation and maintenance.Cosmic also supports AI-assisted content workflows and integration options for analytics, e-commerce, and deployment pipelines.

CosmicJS pricing Freemium

Free $0/mo

Input tokens $5 per million/mo

Output tokens $19 per million/mo

2m token pack $25

Additional users $29 per user/mo

Additional buckets $29 per bucket/mo

Webhooks $99/mo

Localization $99/mo

Revision history $99/mo

Automatic backups $99/mo

10m token pack $110

Add-on bundle $199/mo

20m token pack $200

Starter $299/mo

50m token pack $475

Pro $499/mo

Enterprise custom/year

Verify on the official pricing page.

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CosmicJS's key features

Headless content API for omnichannel publishing
Integrations and starter kits for React, Next.js, Vue, Gatsby, and Astro
Image CDN
Content modeling
Developer tooling and SDKs for API-driven content retrieval and workflows

CosmicJS use cases

Build a fast, omnichannel marketing site and companion mobile app using Cosmic's SDKs and starter kits for Next.js/React/Vue, delivering content via the content API and image CDN for SEO-friendly, optimized pages that update instantly across channels
Manage localized product catalogs and e-commerce content with Cosmic's content modeling, versioning, role-based controls and integrations, using AI-assisted workflows to auto-generate product descriptions and push synchronized updates to storefronts, PWAs and marketplaces
Enable editorial teams to collaborate with role-based approvals, content versioning and AI-assisted drafting, then publish polished content to web, email, and IoT channels via the API while serving optimized media through the image CDN