> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://contentful-staging.ferndocs.com/developers/docs/concepts/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://contentful-staging.ferndocs.com/developers/docs/_mcp/server.

# Concepts

## Docs

- [Domain model](https://contentful-staging.ferndocs.com/developers/docs/concepts/domain-model.md): Contentful consists of four main entity types: user, organization, space, and environment. This guide walks you through each of these entities.
- [Data model](https://contentful-staging.ferndocs.com/developers/docs/concepts/data-model.md): Contentful organizes content into spaces with content entries, media assets, and settings for localizing content into different languages.
- [Entry and asset links](https://contentful-staging.ferndocs.com/developers/docs/concepts/links.md): Links are a powerful way to model relationships between content and retrieve an entire chain of related content to display in your application.
- [Images](https://contentful-staging.ferndocs.com/developers/docs/concepts/images.md): Contentful has a separate Images API that helps you add and retrieve image files in spaces, but also offers manipulation features.
- [Sync API](https://contentful-staging.ferndocs.com/developers/docs/concepts/sync.md): The Sync API allows you to keep a local copy of all content in a space up-to-date via delta updates or content that has changed.
- [Multiple environments](https://contentful-staging.ferndocs.com/developers/docs/concepts/multiple-environments.md): This article explains what environments are and how to use them.
- [Environment Aliases](https://contentful-staging.ferndocs.com/developers/docs/concepts/environment-aliases.md): Environment aliases allow you to reference an environment with a different static identifier | Aliases and webhooks | API keys
- [Environment support for Cross-space references](https://contentful-staging.ferndocs.com/developers/docs/concepts/environment-support-for-cross-space-references.md): This article contains best practices on how to use environments with the Cross-space references feature.
- [Environments and environment aliases best practices](https://contentful-staging.ferndocs.com/developers/docs/concepts/environments-and-environment-aliases-best-practices.md): This article provides recommendations on environments and environment aliases usage.
- [Enterprise observability](https://contentful-staging.ferndocs.com/developers/docs/concepts/enterprise-observability.md): Enterprise observability, log streaming enables customers to monitor and diagnose their use of Contentful with the same rigor they apply to the rest of their enterprise stack.
- [Overview](https://contentful-staging.ferndocs.com/developers/docs/concepts/webhooks.md): Webhooks are HTTP callbacks which can be used to send notifications when data in Contentful is changed.
- [Filter API results with relational queries](https://contentful-staging.ferndocs.com/developers/docs/concepts/relational-queries.md): The guide explains how to get started with relational queries using the IMDB website as an example for querying thriller films.
- [What is rich text?](https://contentful-staging.ferndocs.com/developers/docs/concepts/rich-text.md): Rich Text is a field type that enables authors to create rich text content, similar to traditional 'What you see is what you get' (wysiwyg) editors
- [Custom external references](https://contentful-staging.ferndocs.com/developers/docs/concepts/external-references.md): Custom external references enable developers to integrate content from external Product Information Systems like Shopify, commercetools or Cloudinary into Contentful Graph API, streamlining data access and improving the developer experience.
- [Continuous integration and deployment pipelines](https://contentful-staging.ferndocs.com/developers/docs/concepts/deployment-pipeline.md): Guide to use migrations in your continuous delivery pipeline | Running migrations and keeping your migrations small