API Degraded

Postal Facilities

U.S. postal facilities, ZIP geography, address metadata, crosswalks, and historical post offices.

Public audience Open access Active 64/100 agent readiness

Integration

Base URLhttps://postalfacilities.datasourceapi.comOpen

Documentationhttps://postalfacilities.datasourceapi.com/api/v1/docsOpen

OpenAPIhttps://postalfacilities.datasourceapi.com/api/v1/openapi.yamlOpen

Statushttps://postalfacilities.datasourceapi.com/api/v1/statusOpen

Repositoryhttps://github.com/coopalliance/cca-postalfacilitiesOpen

JSON metadatahttps://services.datasourceapi.com/api/v1/services/postal-facilitiesOpen

Agent-readable Markdownhttps://services.datasourceapi.com/services/postal-facilities.mdOpen

Authentication: Public datasets require no authentication; licensed CMRA data is not exposed in this catalog.

Capabilities

AddressesPostal FacilitiesPostal HistoryZIP Crosswalks

Provenance and freshness

• United States Postal Service: PostalPro, Locations, and public address-related datasets. Source ↗
• HUD-USPS ZIP crosswalk: Quarterly ZIP Code crosswalk data. Source ↗

Update cadence: Daily release detection with a 30-minute automation poller.
Metadata verified: 2026-09-03

Agent readiness

Partial · 64/100 64%

OpenAPI and docs are available; several source datasets were stale at the last audit.

Example queries

Service status

Inspect current source releases and freshness.

GET https://postalfacilities.datasourceapi.com/api/v1/status