Which integrated solution is NOT mentioned as a way to parse HL7v2 messages?

The integrated solution that is not mentioned as a way to parse HL7v2 messages is the Salesforce Platform Events API. This API is primarily designed for event-driven architecture and allows for the management of real-time events and notifications within the Salesforce ecosystem. It is not specifically tailored for the parsing and handling of healthcare data formats, such as HL7v2 messages.

In contrast, the other options play significant roles in managing and transforming healthcare data. Custom Apex Web Services can be developed to handle HL7v2 message parsing and can be designed to fit specific use cases. Mulesoft is extensively utilized for integrating various applications and systems, offering tools that simplify the process of parsing HL7v2 messages. Similarly, Redox is focused on healthcare integration and specifically provides tools and services that cater to the needs of parsing and handling data formats used in the health industry, including HL7v2.

Therefore, while the Salesforce Platform Events API serves important functions associated with event-driven workflows, it is not a primary tool for parsing HL7v2 messages like the other solutions mentioned.