Can we use Cosmic for both our marketing site and in-app content?

Yes. Cosmic delivers content via REST API so you can fetch it in any context: server-rendered pages, static sites, single-page apps, or even native mobile apps. One bucket can serve multiple frontends.

How does multi-environment staging work?

Each Cosmic Bucket is an isolated content environment with its own objects, media, and settings. You can create separate buckets for staging and production and promote content between them. Teams on the Business and Enterprise plans can request additional buckets beyond their plan limit.

Does Cosmic support localization for SaaS products with international users?

Yes. Cosmic's Localization add-on (available for $99/month or as part of the $199/month Bundle add-on) lets you manage content in multiple languages within a single bucket. One content model, many locales.

What happens if we exceed our plan's limits?

Cosmic charges usage overages at the end of each billing month rather than cutting off access. You can track usage in Project Settings at any time. Upgrade whenever it makes sense.

Do you offer an SLA for uptime?

Business and Enterprise plans include a 99.9% uptime SLA. Cosmic is built on infrastructure that automatically scales to handle high traffic volumes.

Can non-technical team members manage content without developer help?

Absolutely. Cosmic's editor is clean and intuitive. Non-technical editors can create, update, and publish content without touching code. Cosmic AI Agents take this further: editors can describe what they want in plain language and agents handle structured content creation automatically.

Is Cosmic a good fit for an early-stage SaaS startup?

Yes. The free plan gives you one bucket, two team members, and 1,000 objects with no credit card required. You can start building immediately and upgrade as you grow.

CMS for SaaS | Headless CMS Built for SaaS Teams

Q: Does Cosmic support localization for SaaS products with international users?

Yes. Cosmic&#39;s Localization add-on (available for $99/month or as part of the $199/month Bundle add-on) lets you manage content in multiple languages within a single bucket. One content model, many locales.

Q: Can non-technical team members manage content without developer help?

Absolutely. Cosmic&#39;s editor is clean and intuitive. Non-technical editors can create, update, and publish content without touching code. Cosmic AI Agents take this further: editors can describe what they want in plain language and agents handle structured content creation automatically.

Why SaaS Teams Need a Different Kind of CMS

Most CMS platforms were built for publishers. You are building a product. Your content needs are fundamentally different: versioned documentation that keeps pace with releases, changelog pages that ship the moment a feature does, multi-environment staging so your marketing and product teams never block each other, and an API that developers actually want to work with.

Cosmic is the headless CMS purpose-built for exactly this. It stores and delivers your content via a fast REST API and TypeScript SDK, while giving non-technical teammates a clean editor they can use without filing a single ticket.

Everything a SaaS Team Needs to Move Fast

API-First Architecture

Content in Cosmic is always available via a clean REST API. Your frontend teams fetch exactly the data they need, nothing more. No tightly coupled rendering layer. No CMS-imposed routing. Just structured content, delivered fast, to whatever frontend you choose: Next.js, React, Vue, Nuxt, Astro, Remix, Svelte, or Gatsby.

Multi-Environment Support

Cosmic Buckets map naturally to your environments. Use separate buckets for staging and production so your content team can draft, preview, and schedule releases without ever touching your live site. No database migrations. No environment sync scripts. Just clean separation.

Cosmic Agents for Non-Technical Teams

Your product marketers and content leads should not need to open a GitHub PR to update a pricing page. Cosmic AI Agents let non-technical teammates generate content, update copy, and manage structured data directly, all through natural language. Four specialized agent types: Team, Content, Code, and Computer Use. SaaS teams use these to run content audits, publish changelogs, and keep docs in sync with product updates, automatically.

Learn more at cosmicjs.com/ai.

No Migrations. Ever.

Your content model evolves as your product does. In Cosmic, you can add, rename, or restructure metafields without a migration script. Your existing content is never broken by a schema change. For SaaS teams that ship fast, this is the difference between a CMS that slows you down and one that keeps up.

99.9% Uptime SLA

Your product runs around the clock. So does Cosmic. The platform is built on battle-tested infrastructure with automatic scaling to handle traffic spikes. Business and Enterprise plans include a guaranteed 99.9% uptime SLA. Your docs page and marketing site stay up even when you are trending on Hacker News.

MCP Server Integration

Cosmic's MCP (Model Context Protocol) Server lets AI development tools connect directly to your content. Your developers can query, create, and update CMS content from Cursor, Claude, or any MCP-compatible tool, making content part of the development workflow, not an afterthought.

What SaaS Teams Build on Cosmic

Product documentation — versioned, searchable, always current
Changelog pages — ship release notes the moment a feature lands
Marketing and landing pages — writers update copy without a deploy
Pricing and feature pages — keep them accurate as your plans evolve
In-app content — banners, tooltips, onboarding flows, all API-delivered
Blog and thought leadership — SEO content your team actually ships

Real SaaS Teams. Real Results.

FINN, the car subscription platform, uses Cosmic to empower their marketing team to move independently of engineering. In their words:

"Cosmic is: us never having to ask a developer to change anything on the backend of our website."
— Maximilian Wuhr, Co-Founder at FINN

Plato, Cipher Sports, and Prairie Robotics are among the teams that rely on Cosmic to deliver content at product speed.

Pricing

Start free. Scale as your SaaS grows. Additional users are $29/user/month.

Free: $0/month — 1 Bucket, 2 Team members, 1,000 Objects
Builder: $49/month — 2 Buckets, 3 Team members, 5,000 Objects
Team: $299/month — 3 Buckets, 5 Team members, 20,000 Objects
Business: $499/month — 5 Buckets, 10 Team members, 50,000 Objects
Enterprise: Custom pricing

All plans include the REST API, JavaScript/TypeScript SDK, Cosmic AI, and full content modeling.

View full pricing →

Start Building Today

Cosmic is backed by Y Combinator (W19) and trusted by SaaS teams that need content infrastructure that keeps up with their product.

Start free — no credit card required →

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The Headless CMS Built for SaaS Teams