Normalize buyers
Use agency hierarchy records to connect departments, sub-tiers, and offices.
SourcesSAM.gov Federal Hierarchy Public
Agencies
SAM.gov Federal Hierarchy Public
Live
Public SAM.gov Federal Hierarchy department/independent-agency and sub-tier organization reference data.
Upstream: sam.gov/data-servicesRecordsDepartment/Ind. Agency + Sub-Tier rows from the SAM.gov public Federal Hierarchy API
RefreshOn-demand public API snapshots; recurring refresh cadence pending
HistorySnapshots accumulate from public API pulls
Record typeAgencies
What this source is for
Questions this source can answer.
Confirm the source role, then follow the route families that expose it. Field-level response shapes and examples stay in the API docs.
Enrich program records
Attach agency hierarchy context to federal assistance program data.
Included
What you get from this source
Record coverage
Department/Ind. Agency + Sub-Tier rows from the SAM.gov public Federal Hierarchy API
History
Snapshots accumulate from public API pulls
Refresh
On-demand public API snapshots; recurring refresh cadence pending
Traceability
Responses preserve source names and source record identifiers for audit and replay.
Upstream
SAM.gov
Surfaces
How to query
Public API routes and MCP tool groups that serve this source today.
Source filter
sourceId=sam-federal-hierarchy-public
Use this value where a route accepts source filtering.
REST route families
2
Public /v1 route families listed below.
MCP tool families
1
Tool groups share the same key and monthly quota as REST.
Agency reference
Normalize departments, sub-tiers, and offices.
/v1/agencies/v1/agencies/{orgId}Program enrichment
Use agency hierarchy fields attached to assistance listings.
/v1/assistance-listingsStart querying SAM.gov Federal Hierarchy Public.
Every source ships with the same auth, the same envelope, and the same docs. Get an API key and you're three minutes from your first request.