Does the plugin offer an API or developer hooks/filters so I can build custom functionality on top of the imported MLS data if I want to extend it later?

MLSimport hooks and APIs for custom MLS features

Yes, MLSimport offers WordPress-style hooks and filters so you can build custom features on top of imported MLS(Multiple Listing Service) data. The plugin runs inside WordPress, saves listings as real posts, and ties into the normal action and filter system. That setup lets you extend imports, tweak fields, or add full custom logic later. You […]