Lynx Technical Documentation

Lynx ISO 20022 Message Specifications

The following ISO 20022 message specifications for Lynx, Canada’s new high-value payment system, support financial institution participants in developing their own ISO 20022 enabled internal systems, so they can eventually generate and process customer and financial institution wire payments in Lynx when the system begins to accept ISO 20022 messages in November 2022. 

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Lynx Core Messages:

Lynx Reporting Messages:

March 2022 update changes:

If you are a Lynx participant and would like a copy of the previously published version of the Lynx ISO 20022 message specifications (the version that is currently set up for Lynx industry testing), or for .xsd files, please contact us at