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The Catena-X knowledge foundation

Understand.Implement.Connect.

Your reference for the standards, governance and rules that connect the Catena-X ecosystem. Everything you need to prove compliance - in one place.

Explore the LibraryNew to Catena-X?
Standards release · CX-Titan / CurrentBrowse releases & preview
58Technical standards
5Rulebooks
CX-TitanCurrent release
2 / yearRelease cadence

Explore the library

Six areas, one connected ecosystem

The complete normative documentation of Catena-X - plus the test environments and reference implementations that help you put it into practice.

Standards

Uniform rules and requirements that make independent implementations interoperable - and the basis for every conformity assessment.

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Regulatory Framework

Data sovereignty, mandatory use case requirements and the legal considerations that govern data space operations.

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Operating Model

The overall rules of the ecosystem: roles, processes and solutions, and how they interact with one another.

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Working Model

Values, principles and organizational processes behind our software and standard artefacts - from idea to release.

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Catena-X Test Suite

Test your apps against Catena-X standards with TCKs and prepare for certification in our Catena-X Test Suite. Discover data space sandboxes in Learn & Explore environments.

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Eclipse Tractus-X KITs

Discover how Catena-X standards are implemented with practical guidance, reference implementations and reusable building blocks.

Explore the KITs

Find your path

Where do you want to start?

I want to become compliant

Prove that your solution meets the Catena-X rules.

  1. Read the standards overview
  2. Check the regulatory framework
  3. Understand the operating model

I want to implement

Build a service or application for the data space.

  1. Browse the technical standards
  2. Explore standard dependencies
  3. Follow the release timelines

I want to contribute

Shape the ecosystem together with the community.

  1. Learn the working model
  2. Read the markdown guidelines
  3. Get started on GitHub

I want to migrate

Move an existing implementation to CX-Neptune.

  1. CX-Jupiter deprecation impact
  2. CX-Jupiter to CX-Saturn
  3. CX-Saturn to CX-Neptune

Releases & versions

Two releases a year, fully versioned

Every area of the library is versioned alongside the Catena-X release train. CX-Titan is the current release, CX-Neptune is available as a preview. Older releases stay available for reference.

Release managementTimelines
Draft

See how the standards depend on each other

The interactive dependency graph visualises how the 58 Catena-X standards of CX-Titan reference and build on one another - per release.

Open the dependency graph

Get involved

Ready to contribute?

Catena-X Automotive Network e.V.

Join the association and shape the ecosystem in committees and expert groups.

Become a member

Eclipse Tractus-X

Collaborate with the experts on the reference implementation in a true open-source environment.

Contribute to the project

We value your feedback

Missing something, found an error or have an idea? Let us know - it helps us make the library better for everyone.

Start a discussion