# Integration # Integration Origination, point of sale, customer relationship, closing and servicing surfaces. Reach the systems of record. Every mortgage product eventually has to read or write something in a system it does not own. These are those connections, one per class of system rather than one per vendor. Each product here is the general surface a vendor plugs into, which is what keeps a vendor swap from becoming a rewrite. The vendors themselves are under Providers. ## Products In the order the value chain runs. 1. Closing has a recorded specification 1. LOS has a recorded specification 1. POS has a recorded specification 1. Servicing