Sage Line 50
Using the Hyperext “Hyper Sage API”, KMS have developed two-way integration between Dynamics 365 and Sage Line 50, reducing manual data entry inconsistencies and saving the time it takes to fix such issues.

Post Sales Invoices to Sage
Via a trigger you decide, invoices raised in Dynamics 365 will be created automictically in Sage Line 50, along with the associated invoice products and discount information.
Create Products Automatically
Any products associated with a Dynamics 365 invoice will be created automatically if they do not already exist within Sage Line 50.
Retrieve Sage Credit Limits and On Hold Statuses
Import Credit Limit and On Hold status information from Sage Line 50 into a Dynamics 365 account record.