# SAM.gov Federal Hierarchy FOUO API

**Canonical:** https://apis.io/apis/general-services-administration/samgov-fh-fouo-api/  
**Provider:** General Services Administration — https://apis.io/providers/general-services-administration/  
**Documentation:** https://open.gsa.gov/api/fh-fouo-api/

SAM.gov Federal Hierarchy FOUO API is one of 31 APIs that [General Services Administration](https://apis.io/providers/general-services-administration/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include SAM.gov and Federal Hierarchy. The published artifact set on APIs.io includes API documentation.

The Federal Hierarchy For Official Use Only (FOUO) API allows U.S. Government users to obtain Federal Organization details down to the office level.

## Machine-readable artifacts (1)

- **Documentation** — https://open.gsa.gov/api/fh-fouo-api/

## Other General Services Administration APIs (12)

- [Acquisition Gateway Listings API](https://apis.io/apis/general-services-administration/acquisition-gateway-api/)
- [Analytics.usa.gov API](https://apis.io/apis/general-services-administration/analytics-api/)
- [api.data.gov Admin API](https://apis.io/apis/general-services-administration/api-datagov-admin-api/)
- [api.data.gov Metrics API](https://apis.io/apis/general-services-administration/api-datagov-metrics-api/)
- [Contract-Awarded Labor Category (CALC) API](https://apis.io/apis/general-services-administration/calc-api/)
- [Data.gov CKAN API](https://apis.io/apis/general-services-administration/datagov-ckan-api/)
- [GSA Fleet Vehicles / Vehicle Leasing](https://apis.io/apis/general-services-administration/fleet-vehicles-api/)
- [IT Collect Public API](https://apis.io/apis/general-services-administration/it-collect-api/)
- [Per Diem API](https://apis.io/apis/general-services-administration/per-diem-api/)
- [Regulations.gov API](https://apis.io/apis/general-services-administration/regulationsgov-api/)
- [SAM.gov Entity/Exclusions Extracts Download API](https://apis.io/apis/general-services-administration/samgov-entity-extracts-api/)
- [SAM.gov Entity Management API](https://apis.io/apis/general-services-administration/samgov-entity-management-api/)

## Tags

SAM.gov, Federal Hierarchy

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/general-services-administration/samgov-fh-fouo-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/general-services-administration/.