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Independently verified · Quarterly re-audit
EU VETTED
Category 20 of 22

Headless CMS

In short

Headless CMS platforms store and deliver structured content via API, decoupled from any specific frontend. For EU buyers, the deciding question is where content and editorial-session data are stored and whether the vendor is EU-owned. Strong EU options on EU Vetted include Hygraph (Germany, EU-owned and EU-hosted with a public DPA), Prismic (France, EU-owned with EU data residency), and DatoCMS (Italy, EU-owned with EU data residency).

About this category
About Headless CMS

Headless CMS platforms decouple content storage from content presentation. Rather than rendering pages directly, they store structured content (articles, product data, landing pages, configuration blocks) and expose it via a content API (typically REST or GraphQL) that any frontend can consume: a Next.js website, a mobile app, a voice interface, or multiple channels in parallel. This architecture gives development teams full control over the frontend stack while allowing editorial teams to manage content through a structured authoring interface.

A headless CMS processes two distinct categories of data worth assessing on their own terms. Content comes first: product descriptions, marketing copy, and editorial data that may or may not be personal data depending on your use case. Operational data is the second category: editor accounts, IP addresses from API consumers, and draft content. Both categories are processed by the CMS vendor on managed plans. If the CMS vendor is US-incorporated or ultimately US-owned, the CLOUD Act can in principle reach this data. Hygraph (Germany) is the strongest EU-owned option in the current catalogue: EU-incorporated, EU-hosted, with only minor CLOUD Act exposure (a transient sub-processor; data at rest stays in the EU; CLOUD Act exposure: Minor), and a public DPA. Prismic (France) and DatoCMS (Italy) are also EU-owned and offer EU data residency on managed plans, though sub-processor disclosure depth varies between them. Storyblok (Austria) and Strapi (France) are listed with EU-headquartered but US-funded ownership signals; Strapi is additionally available as a self-hosted open-source option that removes the vendor from the data-processing chain entirely.

Feature comparison

Beyond compliance: how these alternatives compare on the capabilities you actually use day to day.

Feature DatoCMS Enonic Hygraph Prismic Storyblok Strapi
Self-hostable No Yes No No No Yes
Version history Yes Yes Yes Yes Yes Yes
GraphQL API Yes Yes Yes Yes Yes Yes
REST API Yes Yes No Yes Yes Yes
Visual editor Yes Yes Yes Yes Yes Yes
Localization (i18n) Yes Yes Yes Yes Yes Yes
Media library Yes Yes Yes Yes Yes Yes
API / webhooks Yes Yes Yes Yes Yes Yes
SWITCHING GUIDES

Switching from US headless cms?

Side-by-side European alternatives (same hosting, ownership and CLOUD Act checks) for the US tools most often replaced in this category.

FAQ

Frequently asked questions

What is the best EU-hosted headless CMS?
Hygraph (Germany) is EU-owned, EU-hosted, and publishes a public DPA, making it the strongest compliance fit in the current catalogue. Prismic (France) and DatoCMS (Italy) are also EU-owned and offer EU data residency on their managed plans. Storyblok (Austria) and Strapi (France) are also in the catalogue; Storyblok is EU-headquartered but US-funded, while Strapi is an open-source platform that can be self-hosted on EU infrastructure, giving you full data-residency control regardless of the vendor's funding.
Is there a GDPR-compliant headless CMS?
Headless CMS platforms that are incorporated in the EU, host content data in EU data centres, and publish a DPA covering their managed hosting service qualify as GDPR-compliant in their processing role. Hygraph (Germany), Prismic (France), and DatoCMS (Italy) all publish DPAs for their cloud offering. Self-hosted Strapi removes the vendor entirely from the processing chain. The data-protection obligations then sit solely with you as the data controller.
Does headless CMS data fall under the US CLOUD Act?
A headless CMS stores structured content (product descriptions, articles, landing pages, configuration data) as well as editor accounts and potentially draft content. If the CMS is operated or ultimately owned by a US-incorporated company, the CLOUD Act can in principle compel it to produce that data. Hygraph, Prismic, and DatoCMS are EU-owned with no US parent, each carrying only a minor flag for transient sub-processors based on public corporate filings (CLOUD Act exposure: Hygraph Minor, Prismic Minor, DatoCMS Minor). Strapi's cloud offering is managed by a US-incorporated entity; self-hosting Strapi avoids this entirely.
What is the difference between a headless CMS and a traditional CMS?
A traditional CMS couples content storage with the frontend that displays it. WordPress, for example, stores content and renders pages in one system. A headless CMS stores only the content, exposing it via a structured API (REST or GraphQL) to any frontend: a Next.js app, a mobile app, a digital signage screen, or multiple channels simultaneously. The decoupled architecture gives frontend teams more flexibility and enables true omnichannel publishing. The tradeoff is that you need a separate frontend stack; there is no built-in page renderer.
Can I self-host a headless CMS in the EU?
Yes. Strapi (France) is open-source and widely self-hosted on EU infrastructure such as Hetzner (Germany) or Scaleway (France). Self-hosting removes the vendor from the data-processing chain entirely. Your data never leaves your own infrastructure. Hygraph and DatoCMS are cloud-only products, but both offer EU data-residency on their managed plans. Prismic offers EU data-residency as well. When evaluating self-hosted options, factor in your team's capacity to manage updates, backups, and security patches.
Which headless CMS is best for multi-language content?
Hygraph, Storyblok, Prismic, and DatoCMS all support multi-locale content fields as a native feature, making them suited for EU organisations that publish in multiple languages. The implementation model differs: some CMSs use a translation layer on top of a single content model; others offer fully independent locale-specific content trees. Verify that the CMS's localisation approach matches your editorial workflow: for example, whether translators can work in a parallel view, whether machine-translation integrations are available, and whether locale-specific publishing schedules are supported.
How does a headless CMS handle media and image storage?
Most cloud headless CMS platforms include a managed digital-asset management (DAM) layer where images, videos, and documents are stored. For EU buyers, this is a second data-residency question: the content API might be EU-hosted while the media CDN routes through US infrastructure. Verify the specific CDN provider used by each platform and whether media can be restricted to EU points of presence. Self-hosted Strapi uses a configurable storage backend. S3-compatible EU providers such as Scaleway Object Storage or Hetzner Object Storage are straightforward integrations.