No, V5 supports itinerary sort type (Best/Fastest/Cheapest) but nothing more granular than that is currently supported.
[17-09-2025] Partner Portal Outage Resolved
Our internal teams have identified the cause of the Partner Portal outage and have implemented a fix.
Please allow time for the changes to make it to production. If you still have issues after 2 hours, please reach out to our team by raising a new ticket and referencing the outage.