Laptop and mobile device showing Glass interface

Glass is X12's online viewer, providing easy and convenient web-based access to many X12 products, including the EDI Standard, Code Source Directory, Control Standards, EDI Standard Figures, Guidelines and Technical Reports.

Screenshot of Glass interface
Products followed by an asterisk (*) require a Subscription to Glass.

Documents are presented as a two pane website. The left pane is the Table of Contents (ToC), and the right pane displays the content based on what is selected in the ToC. Glass supports a broad range of content so two navigation processes are necessary, hyperlink navigation and sequential navigation. Each navigation process supports specific types of content.

Free Content

  • X12 Control Standards
  • Type 2 Technical Reports
  • Compliance in X12
  • Type 4 Technical Reports
  • Wordbook
  • Glass Help

Subscriber Content

  • EDI Standard Figures
  • Transaction Set Tables
  • Segment Directory
  • Data Element Dictionary
  • Code Source Directory
  • Type 3 Technical Reports

Screenshot of sample standard content

Supported Browsers

The Glass application is tested with the latest version of the following browsers:

  • Google Chrome
  • Microsoft Edge
  • Microsoft Internet Explorer
  • Mozilla Firefox
  • Opera

To report any browser related issues, please send a message to, including a description of the issue and the browser and version of that browser

Create a Free Account

Create a free X12 | ID to access the free content and use the same ID to access the premium content once you've subscribed.

Subscription Information

Subscribe to become a licensed Glass User with access to all Glass content and read more about X12's licensing program.