FHFA Enterprise Public Use Database (PUDB) API
The FHFA Enterprise Public Use Database (PUDB) provides loan-level data on single-family and multifamily mortgages acquired by Fannie Mae and Freddie Mac, as well as data on Federal Home Loan Bank member institutions. Files include National File A, B, and C for single-family mortgages and property-level and unit-class-level files for multifamily. Data is downloadable as zipped CSV files with accompanying data dictionaries.