Free Headless CMS: Contentful Vs Prismic Vs Sanity

Content-as-a-Service: Free Headless CMS
How to manage your digital content in a hosted backend and make it accessible to your frontend via a RESTful API for free using a Headless Content Management System such as Contentful, Prismic and

Contentful: Intuitive Authoring and Generous Free Usage Limits

Contentful provides you with a content infrastructure that lets you build without any limitations, code in any language and use your favorite tools and frameworks to build a better digital product.


  • To integrate it to your app, a collection of APIs are made available to give you full programmatic control over content and assets such as the Content Delivery API and the Content Management API.

  • You can access from the website a toolbox that allows you to:

    • Model your content by creating custom content types, picking and choosing individual fields, applying custom field validation (characters count limits, etc.) and arranging entries in flexible hierarchies.
    • Create, publish and edit your content using a rich editor interface that supports a complete set of data types such as text, markdown, location, dates, collections, JSON snippets, and more.
    • Upload and publish your assets.
  • To help you getting started faster and to be more productive, different SDKs (client libraries), tutorials, demos, sample apps and integrations are provided for many languages and platforms such as JavaScript, PHP, .NET, Ruby, iOS, Android, Java, Python.

  • Multi-language publishing.

  • Custom content management roles & permissions.

  • Webhooks and easy continuous integration and deployment pipelines.

Free usage limits

  • Requests that hit the CDN cache: unlimited
  • 78 requests per second
  • 280800 requests per hour
  • 2M request per month
  • Asset Bandwidth: 750 GB
  • 2 Environments (master + sandbox)
  • 1 Role
  • 2 Locales
  • 24 Content types
  • 5,000 Records (entries and assets)


Contentful - Create content type
Get started by creating a new content type
Contentful - Add new field
Add fields to the content type
Contentful - Custom field validation
Validation rules can be defined by configuring a field
Contentful - Content editor
Rich editor interface used to create and edit content
Contentful - content APIs
Content APIs overview
Contentful - Webhook Templates
Webhook Templates
Contentful - Space usage
Space usage
Contentful - Organization usage
Organization usage

Prismic: Modern Editor and Advanced Release Management allows you to manage and push content painlessly to your web apps and native apps by providing a modern authoring experience and a highly flexible API.


  • A Visual Custom Type Builder that supports drag and drop rich text fields, geopoints, images, color fields, relational fields and more.

  • Scheduling and previews with release management and automated publication.

  • Revision history to keep track of every modification and visualize the change details, the change dates and the authors.

  • Full localization support and a translation workflow for your marketing & translation teams.

  • Define reusable custom components with Content Slices.

  • Multiple integration are provided for multiple libraries such as Next.js, Nuxt.js, Gatsby, Vue.js, React.js, Svelte, Express, Vanilla JavaScript. More integrations are available in the Prismic github page.

  • Webhooks can be set up for various events such as document publication and edition.

Free usage limits

  • 100GB/month Bandwidth usage (including API and asset delivery)
  • 1 User


Prismic - Create a new custom type
Create a new custom type: can be repeatable or single
Prismic - Available field types
Drag 'n drop a field into the editor to create it
Prismic - Create new field
Define the new field name and id
Prismic - Scheduling and previews
Release management
Prismic - Revision history
Revision history
Prismic - Localization and multilanguage
Localization and multilanguage support
Prismic API
Languages and frameworks with first-class support Customizable Content Editor and a Feature Rich CLI

With Sanity, your content is treated as structured data and is made available through a simple and powerful API. You can edit it collaboratively and freely decide later how and where it will be distributed and used.


Free usage limits

  • Unlimited admin users
  • 3 non-admin users
  • 2 Datasets
  • 500k API CDN Requests per month
  • 100k API Requests per month
  • 5GB Assets
  • 10GB Bandwidth per month
  • 10k Documents

References - Getting started after log in
After the first log in, you are invited to get started - init log in
Get started by executing in the CLI: sanity init - init project name, dataset name and visibility
Define your project name, dataset name and the visibility - init project template
Select a project template - init project
Your project will be initialized - Project initialized
After the initialization, the project will be displayed from the manage page - Content Studio start
Launch content studio locally by executing: sanity start - Content Studio usage
Open http://localhost:3333 to start editing with Content Studio - Content Studio deploy
Deploy Content Studio by executing: sanity deploy - Project page
Resource usage and project settings are available in the project page

Author Image

Soufiane Sakhi is an AWS Certified Solutions Architect – Associate and a professional full stack developer based in Paris, France. He is the creator of, the My Route Directions Android app, and many open source browser extensions such as YouTube Playlist Helper and Feedly filtering and sorting.