The Gazelle HL7v2.x Message Validation Service is part of the External Validation Service provided by the Gazelle project. It allows you to validate HL7v2.x messages against message profiles written at INRIA. For each message you want to validate, you will be asked to provide the context in which this message will be sent, in order to help the application to choose the appropriate message profile. All those profiles are gathered in a database called InriaHL7MessageProfileRepository.
The HL7v2.x Message Validation Service provides a Web Service interface as well as a Web User Interface. validation service is under development.