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-services
RecordsDepartment/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

Data you can use in product workflows.

This page summarizes the source and the product surfaces that expose it. Field-level response shapes and examples stay in the API docs.

Normalize buyers

Use agency hierarchy records to connect departments, sub-tiers, and offices.

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.

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-listings

MCP tools

agencies
View MCP docs

Start 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.