Overview
A headless CMS is the back end for structured content when presentation lives elsewhere. Instead of coupling pages and templates to the content store, these tools expose content through APIs so product teams can publish to web apps, mobile apps, docs sites, or multiple front ends from one source of truth. In this space, the best fit depends less on the brand name and more on how you want editors, developers, and automation to work together. Some tools lean toward visual editing and page building, while others are closer to a content API platform for developers who want tight schema control and clean delivery.
What to look for in a free headless CMS
A meaningfully generous free tier here should let you build a real prototype without immediately hitting the wall on users, locales, API traffic, content types, or environments. The stronger offers usually include enough content modeling flexibility to represent real products, plus at least basic collaboration, preview, and asset handling. If you are evaluating a free headless CMS for a serious side project, look for a plan that supports multiple content models, a reasonable amount of API usage, and enough space for one or two production-like workflows instead of a sandbox that only works for a landing page.
The weakest free tiers often look generous because they advertise unlimited documents or generous request counts, but then restrict the things that make the system usable day to day. Common bottlenecks include a single space or project, limited locales, few roles, shallow workflow support, small asset limits, or usage rules that make caching and delivery more complicated than they sound. Some vendors also separate editor-friendly features from API access, so you can model content but not actually use the free plan the way a real team would.
Gotchas in API CMS free plans
The practical way to compare headless CMS options is to map them to your workflow. If you need visual editing and page publishing, a tool like Prismic or Storyblok may fit better. If you want strong structured content and API-first delivery, Hygraph, Contentful, Sanity, or Squidex may be closer. If your content already lives in spreadsheets or you are building a lightweight data-backed prototype, a bridge like Sheetson can be enough. The right choice is the one whose free tier matches your content shape, team size, and publishing cadence before you commit to a paid rollout.
The 10 highest-FTV free headless cms tiers
| Product | Type | Free tier includes | Est. value | Card required |
|---|---|---|---|---|
| HygraphFTV 80 | Free tier | 1,000 entries | $199 / month | No |
| ContentfulFTV 64 | Free tier | Includes 100K API calls per month. | $90 / month | Not stated |
| StoryblokFTV 62 | Free tier | 100,000 API requests per month. | $15 / month | No |
| CosmicFTV 61 | Free tier | 10k non-cached API requests per month | $15 / month | No |
| PrismicFTV 61 | Free tier | 4 million API calls per month with no overages. | $10 / month | No |
| SheetsonFTV 55 | Free tier | 1,000 rows per sheet. | $25 / month | Not stated |
| SquidexFTV 54 | Free tier | 20,000 API calls per month. | $5.00 / month | No |
| KillBaitFTV 49 | Free tier | Limited to 10 submissions per 24 hours. | $1.00 / month | No |
| SanityFTV 48 | Free tier | Up to 20 user seats for small teams and individual projects. | $8.00 / month | Not stated |
| WebflowFTV 42 | Free tier | 20 CMS Collections included. | $4.00 / month | Not stated |
Best free headless cms picks by use case
Best for: A multilingual content site with editors and developers sharing the workflow
Hygraph is a good fit when you need structured content, collaboration, and API delivery in one place. Its free tier gives enough room to model content, add locales, and test a real publishing flow without treating the project like a throwaway demo.
Best for: A marketing site where nontechnical editors want to move sections around visually
Storyblok stands out when the content team needs a visual layer on top of headless delivery. It is especially useful if you want a free plan that still feels editor-friendly instead of requiring developers for every page change.
Best for: An app prototype that stores content, media, and workflow steps together
Cosmic is a practical choice for teams that want one place for content objects, media, and lightweight automation. The free tier is broad enough to experiment with AI-assisted workflows and API-driven delivery before you decide on a larger setup.
Best for: A small SaaS or blog project whose content already starts in spreadsheets
Sheetson works best when you want a simple API layer over existing spreadsheet content instead of a full editorial system. It is a lightweight path for prototypes, internal tools, or data-backed pages that do not need a heavy CMS.
Best for: A developer who prefers open source and wants control over how the CMS is deployed
Squidex is attractive when you want a headless CMS with open source roots and flexible deployment choices. Its free cloud tier is limited, but it is still useful for testing API-driven content delivery before self-hosting or scaling.
Frequently asked questions
What is a headless CMS used for?
A headless CMS stores structured content and delivers it through APIs so you can reuse the same content across websites, mobile apps, and other surfaces. It is a common choice when content management needs to be separated from presentation.
What should I look for in a free headless CMS?
Look for enough flexibility in content modeling, a reasonable API allowance, support for the number of editors you actually have, and at least basic preview or workflow features. A free plan can be useful only if it matches how you plan to publish, not just how you plan to test.
Is there a truly free API CMS for production use?
Sometimes, but the most useful free tiers usually come with limits that matter once traffic or collaboration grows. The better question is whether the free plan can support your real content shape and publishing cadence without forcing an early upgrade.
Why do some headless CMS free tiers look generous but still feel restrictive?
Because the vendor may allow a lot of content or requests while limiting the parts that make the system usable, such as roles, locales, environments, workflows, or editor seats. That can make a plan fine for a demo but awkward for a real team.
Which headless CMS free tier is best for editors?
If editors care about visual control, Storyblok and Prismic are often stronger fits than developer-first options. If your team wants structured content with more technical control, Hygraph, Contentful, and Sanity are usually better starting points.
Can I use a headless CMS as a full website builder?
Some platforms blur that line, but most headless CMS tools are better at managing content than replacing a full site builder. If you need visual page creation and hosting in the same product, a tool like Webflow may be a better match.
