FHFA National Mortgage Database (NMDB) API
The National Mortgage Database (NMDB) is a nationally representative, longitudinal database of residential mortgages providing aggregate statistics on outstanding residential mortgages and mortgage originations. Data covers loan characteristics, borrower demographics, and geographic distributions. NMDB aggregate statistics and National Survey of Mortgage Originations (NSMO) data are downloadable as CSV files with interactive Tableau dashboards for visualization.