Trading Partner: Marine Corp Exchange - MCX
Article link: Trading Partner Onboarding - Marine Corp Exchange - MCX | TrueCommerce Foundry Help Center
EDI IDs
Marine Corp Exchange - MCX utilizes the following Electronic Data Interchange (EDI) IDs for identification purposes. These EDI IDs are made up of a Qualifier and an ID which will be sent within their Interchange Control Header, ISA segment, on your inbound transactions. This allows Transaction Manager to be able to identify the Sender and Receiver of any sent/received EDI transaction.
The table, below, lists the most common EDI IDs used by Marine Corp Exchange - MCX.
X12 Qualifier | EDI ID | Primary ID? |
ZZ | SPSMCX | Yes |
ZZ | SPSMCXTEST | No |
Marine Corp Exchange - MCX will expect a specific EDI ID based on your business relationship with them. Selecting the wrong EDI ID will result in EDI Transactions not being sent or received.
You will need to work with Marine Corp Exchange - MCX to determine the proper EDI ID to use.
Preliminary Steps
Marine Corp Exchange - MCX uses a third-party company, SPS Commerce, to conduct compliance testing on their behalf. Be sure to engage with your SPS Commerce Account Representative to ensure your testing agreement has been signed, and you have access to the SPS Commerce Testing & Certification portal.
Portal Testing
Marine Corp Exchange - MCX requires you to complete compliance testing before Go-Live. Refer to the Next Steps section in this article for detailed instructions and expectations. If you prefer, TrueCommerce can conduct and complete compliance testing on your behalf, in which case you will need to provide the following details:
URL for the SPS Commerce portal
Username for the SPS Commerce portal
Password for the SPS Commerce portal
Commonly used Transactions
EDI Transaction |
Next Steps
Once the purchase of Marine Corp Exchange - MCX is complete, your Implementation Specialist will reach out to schedule time to complete and/or coordinate a test plan.
Access to the SPS testing portal must be completed in order to begin EDI testing with your Implementation Specialist.
Please review our helpful guide on ensuring your testing portal is ready to start EDI testing.
Related Documentation
rev. 8/9/2026
