Credential Engine Technical Site

Welcome to the Credential Engine Technical Site where you will find complete documentation on our:

  • Credential Transparency Description Language open family of schemas
  • Data publishing tools including the Registry Publishing Assistant API
  • Credential Registry Handbook
  • Credential Registry Policy
  • Consuming services from the Registry
  • Learner and Worker Records Guide
  • Quick Start Guides
  • Other tools including those for mapping to the schemas, serializations.

To get started with using the Credential Registry data publishing and consuming tools, begin by setting up your Credential Engine account and let us know if you have any questions.

Technical Services and Advisory Group

Technical Services

We specialize in helping organizations define, implement, and derive value from general open data strategies as well as from the Credential Registry and other Credential Engine services. Our areas of focus include credentials, skills and competencies, education and career pathways, transfer value, and quality assurance.

CTDL Advisory Group

The CTDL Advisory Group is open to anyone interested in participating with feedback on development of the CTDL and other Credential Engine technologies and services and with supporting alignment with other standards.

Developers

Developers are able to leverage the the Credential Registry API to build applications that can read or publish as much or as little information about credentials as they need to.

The Credential Engine project's developers are using Dublin Core Application Profiles process to create systems that communicate all virtually all aspects of credentials.

Use the CTDL Schemas

The Credential Transparency Description Language (CTDL) is available to use with data design, with interoperable learner/worker records, and for publishing information as linked data.

Explore the CTDL Handbook, Terms, Serializations, LER Guide, and other resources for using CTDL on this site.

Publishing Options

Credential Engine offers the following options for publishing to the Credential Registry:

  • Registry Assistant Publishing API
  • Manual Entry
  • Bulk Upload

For more information on setting up your account and getting started with any of the publishing methods, click here.

Search Options

Credential Engine offers a robust search API to enable developers to leverage the wealth of data contained in the registry, using the CTDL and CTDL-ASN schemas.

Credential Engine offers a way for non-technical participants to enable a credential search on their own website. The Credential Finder Widget can be customized to match your site's theme and your preferences for automatic filtering, so that the results it shows can be more closely tailored to your site's purposes.

Join Credential Engine

Visit the Credential Engine website to:

  1. Learn more about Credential Engine
  2. Subscribe to updates
  3. Become a participant or partner

Get started with Credential Engine today by:

  1. Create or Login to your Credential Engine account
  2. Get your organization approved to publish and/or consume
  3. Learn more about CTDL, the Registry, and the publishing and consuming APIs

Announcements

Invitation to Shape How CTDL Describes Credential and Qualification Types
Posted on 3/25/2025

Opportunity to Provide Input

Credential Engine is convening a focus group of subject matter experts to review and provide feedback on a proposed approach to enhancing the way the Credential Transparency Description Language (CTDL) describes different types of credentials and qualifications.

The goal is to ensure that CTDL fully represents the many distinct credential and qualification types defined within national and regional qualification systems worldwide.

Background

In many parts of the world, the terms credential and qualification are used interchangeably. Most countries have qualification systems that define types of credentials, describe their key characteristics, and position them within a progression of learning or occupational levels.

The CTDL already includes numerous, well-defined types of credentials and qualifications—such as degrees, diplomas, certificates, badges, and licenses. These high-level classes support broad, consistent descriptions across learn and work ecosystems, helping systems, platforms, and stakeholders understand and connect different types of credentials

See the CTDL Types List

However, many countries define credential and qualification types in ways that are unique to their systems, even when the names are similar. Our recent work with the Qualifications Frameworks as Data Global Task Group made it clear that CTDL must be able to reflect these differences to support global transparency, comparability, and alignment.

Focus group participants

Participants in this focus group will help shape how credential types are described in CTDL by:

  • Reviewing and commenting on a proposed solution for how CTDL can represent these distinctions
  • Helping ensure the model supports global flexibility, accuracy, and usefulness
  • Sharing examples of credential and qualification types defined by authorities in their countries and sectors
  • Identifying the defining features that distinguish those types—such as level, purpose, legal recognition, or learning context

What to Expect

  • Time commitment: 1–3 hours total over 4–6 weeks
  • Format: Up to two Zoom meetings (each 60 minutes), plus optional review of draft
  • Scheduling: Meetings will be offered at different times to accommodate global participants
  • Optional: A third meeting may be added if additional discussion is needed

Opportunity to Enhance Transparency of Education and Employment Outcomes Metrics
Posted on 1/2/2025

The Credential Registry publishing system has been enhanced to support more types of education and employment outcomes metrics, making it easier to publish, access, and use these valuable data sets. The Credential Transparency Description Language (CTDL) serves as the schema for describing these metrics, ensuring outcomes data is both transparent and actionable. Personally identifiable information (PII) is not published to the Registry; however, systems that use PII to create metrics can use CTDL to output aggregate data that protects individual privacy.

Whether you're ready to publish your data or want to explore how to use CTDL-published outcomes, this webinar will provide the essential knowledge and resources you need.

Education and employment outcomes metrics provide critical insights to:

  • Showcase results such as graduation rates, employment outcomes, and earnings.
  • Support transparency for programs, credentials, and pathways.
  • Enable informed decision-making for learners, employers, educators, and policymakers.

During this webinar, you will:

  • Gain insights into the various types of education and employment outcomes metrics described using CTDL.
  • Discover options for publishing education and employment outcomes as CTDL-linked open data.
  • Explore ways to utilize education and employment outcomes data published to the Credential Registry.
  • Receive step-by-step instructions on publishing education and employment outcomes metrics to the Credential Registry.
  • Learn about publishing guidance available to everyone for creating and sharing education and employment outcomes metrics

Webinar Details:

  • Date: January 28, 2024
  • Time: 2:00 pm ET (See the WorldClock for your time zone)
  • Location: Virtual via Zoom
  • Audience: Professionals involved in creating, sharing, analyzing, and using education and employment outcomes metrics, as well as anyone interested in how CTDL and the Credential Registry can support transparency and decision-making in credentialing ecosystems.
  • Registration: https://us02web.zoom.us/webinar/register/WN_2-QEqEDfSuifgEVXMt3fww

Stay ahead in education and workforce data transparency. Join us to see how publishing and utilizing outcomes metrics with CTDL can benefit credentialing ecosystems, learners, and stakeholders alike.

See This Information on Our Website here.

Contact Us: For additional questions or information, email us at publishing@credentialengine.org. This email is checked during normal U.S. business hours.

CTDL Qualifications Frameworks Terms Proposal Webinar Follow-Up
Posted on 12/18/2024

On December 17, 2024, Credential Engine hosted the CTDL Terms Proposal for Representing Qualifications Frameworks as Linked Open Data webinar. The event followed the work of the Qualifications Frameworks as Data Global Task Group, bringing together stakeholders to explore how the proposed updates to the Credential Transparency Description Language (CTDL) can enhance the representation and use of qualifications frameworks as structured, linked open data.

What the Webinar Covered

The webinar highlighted:

  • The CTDL update process and outcomes from the Qualifications Frameworks as Data Task Group.
  • The global significance of qualifications frameworks in supporting learner mobility and international credential recognition.
  • How the proposed CTDL terms can represent progression levels, alignments between frameworks, and relationships to credentials, assessments, and other resources.
  • The potential for these capabilities to improve transparency, interoperability, and usability across education and workforce systems worldwide.

Access Webinar Materials

Whether you attended or registered for the webinar, you can now access the materials to explore the proposal in more detail:

How to Provide Feedback

Your input is critical to ensuring the proposed terms meet global needs. Feedback on the CTDL Qualifications Frameworks Terms Proposal is welcomed until January 10, 2025. Share your input using any of the following options:

Why Your Feedback Matters

Your contributions will help refine these terms to support clear, standardized, and interoperable data about qualifications frameworks. By improving how frameworks are represented and connected as linked open data, we can empower learners, workers, and systems worldwide to make better-informed decisions.

View on our Website here.

Contact Us: Contact us at info@credentialengine.org. This email is checked regularly during normal U.S. business hours.

Invitation to Participate in the Issuer Registry Advisory Group
Posted on 8/1/2024

Introduction

In today's digital age, ensuring the authenticity of credential issuers is crucial for empowering decision-makers who rely on accurate credential information. The Digital Credentials Consortium (DCC) and Credential Engine are collaborating on a joint 2024-2025 project to explore the governance and technology needs for issuer registries being used within Learning and Employment Record (LER) ecosystems. This initiative aims to enhance trust in LERs by creating a model for interoperable issuer registries.

We are convening a targeted advisory group of subject matter experts. The group’s recommendations, expertise, and guidance will be instrumental in developing an issuer registry proof of concept through open community input. Participation in this advisory group will yield guaranteed outcomes and significantly impact the digital credentials ecosystem.

An issuer registry is a secure, trustworthy digital list containing verifiable information about organizations that issue credentials. Types of credentials could include LERs for academic achievements like degrees. These organizations, which could include associations, education and training institutions, government agencies, or others, usually have a common set of frameworks or criteria that must be met before they will issue a particular credential. An issuer registry ensures that anyone can near-instantly and easily confirm that an organization is authorized to issue the specified credentials.

Purpose and Benefits

The project will provide a foundation for replicable and scalable solutions for issuer registries. Some of the benefits of aligning on standards and frameworks for issuer registries include:

  • Increased Transparency: Providing clear, accessible, and standardized information about credential issuers will help stakeholders make informed decisions.
  • Supported Mobility: Standardizing a shared, open structure for issuer data transparency will facilitate the recognition and validation of credentials globally, supporting the mobility of learners and workers.
  • Improved Trust: By verifying the identity and key characteristics of credential issuers along with governance models, we can help ensure that LERs are reliable representations of skills and achievements.

What to Expect

As a member of this advisory group, you will contribute as a subject matter and/or technical expert. Together, we will define the advisory group's charter, generate use cases, identify governance criteria, contribute to an issuer and verifier data model and specifications, and provide guidance for decision makers and developers.

Join the Issuer Registry Advisory Group

Who Should Join

We are looking for experts and aspiring experts across various fields, including education, training, policy, government, research, industry, and business:

  • Aspiring Subject Matter Experts: Individuals who want to learn and contribute.
  • Subject Matter Experts: Individuals with experience in designing, developing, or implementing issuer registries.
  • Users of Issuer Registries: Professionals and product providers interested in using issuer registries in their work.
  • Verifiers of Issuers: Organizations and product providers responsible for verifying the authenticity of credential issuers.
  • Technical Experts: Individuals familiar with existing standards or technical implementations for issuer registries.

Participation Details

Meeting Schedule: Monthly meetings via Zoom, beginning in September 2024 and concluding by May 2025. Use the World Clock for the meeting time at your location.

  • Meeting 1: Wednesday, 2024-September-4, 11 am ET (World Clock)
  • Meeting 2: Wednesday, 2024-October-2, 11 am ET (World Clock)
  • Meeting 3: Wednesday, 2024-November-6, 11 am ET (World Clock)
  • Meeting 4: Wednesday, 2024-December-4, 11 am ET (World Clock)
  • Meeting 5: Wednesday, 2025-February-5, 11 am ET (World Clock)
  • Meeting 6: Wednesday, 2025-March-5, 11 am ET (World Clock)
  • Meeting 7: Wednesday, 2025-April-2, 11 am ET (World Clock)
  • Meeting 8: Wednesday, 2025-May-7, 11 am ET (World Clock)

We understand that interested people may not be able to attend every meeting. All meetings will be recorded, and materials will be shared with all participants.

More Information

  • Resources: Credential Engine and DCC will provide all necessary resources based on advisory group input and share them for ongoing feedback between meetings. All feedback and materials will be transparently available following an open development process.
  • Outcomes: The final products will include expanded use cases, real-world data examples, a data model and specifications, and governance best practices. All final outputs will be public information available under open licenses.
  • Processes: The advisory group will follow a defined process leading to specific deliverables and outcomes. Outputs will be reviewed via an open webinar for advisory group members and stakeholders.
  • Contact Credential Engine: If you have any questions about this task group, please email info@credentialengine.org. This mailbox is monitored during normal U.S. business hours. Learn more via the Credential Engine Website.

Visit Credential Engine and the Digital Credentials Consortium websites:

Action Items and Follow-Up: CTDL Education and Employment Outcomes Metrics Terms Proposal
Posted on 7/17/2024

Thank you to everyone who participated in the Education and Employment Outcomes Metrics (EEOM) Task Group and attended the July 10, 2024, CTDL EEOM Terms Proposal Webinar. The webinar recording, audio, transcript, and presentation are now available for your review. The presentation has also been attached to this email as a powerpoint, for those that cannot access Google docs.

Your input is highly valued, and we appreciate your contributions. Following the webinar, we are entering a comment period, and we invite you to provide feedback on the CTDL EEOM Proposal by Friday, July 31, 2024. You can share your feedback through any of the following methods:

The updates to the CTDL EEOM terms are part of an organized process to enhance the CTDL Linked Open Data. Credential Engine's plan includes updating the CTDL and implementing these changes within the Credential Registry Publishing System. Further details on these updates will be provided soon.

If you have any questions or need additional information, please do not hesitate to contact us at info@credentialengine.org.

This information is also available on our website here.