SAM.gov (System for Award Management) is the official US government system for vendor registration and federal procurement. Operated by the General Services Administration (GSA), SAM.gov consolidates multiple legacy acquisition systems and provides APIs for contract opportunities, entity management, federal hierarchy, and location validation services.
APIs.json: https://raw.githubusercontent.com/api-evangelist/sam.gov/refs/heads/main/apis.yml
- Type: Index
- Access: Public
- Federal Government
- Procurement
- Contracts
- Entity Management
- Location Services
- GSA
- Created: 2024-03-29
- Modified: 2026-05-19
The Public Location Services API provides Location Services data (Country, State, City, and ZIP) for validating location data submitted to SAM.gov. Location Services State API supports both United States and Foreign Countries. Requires a valid SAM.gov System Account API key.
- Location Services
- Validation
- Government
- GSA
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
The Get Opportunities Public API provides all published contract opportunity details based on request parameters. Returns solicitation notices, awards, and pre-solicitations from SAM.gov. Rate limited to 1000 requests/day. Requires a SAM.gov API key.
- Contract Opportunities
- Procurement
- Federal Contracts
- Government
- Documentation
- Base U R L
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
The Opportunity Management API allows authorized users to programmatically submit, update, and manage contract opportunity notices in SAM.gov. Requires federal government or contractor system account authorization.
- Human URL: https://open.gsa.gov/api/opportunities-api/
- Contract Management
- Procurement
- Federal Contracts
- Government
The Entity Management API provides detailed entity (vendor/contractor) information from SAM.gov including registration status, hierarchy, security levels, points of contact, and certifications. Used to verify vendors eligible for federal contracts.
- Human URL: https://open.gsa.gov/api/entity-api/
- Entity Management
- Vendor Registration
- Federal Procurement
- Government
The Federal Hierarchy Public API allows non-federal users to retrieve Federal Organization details down to the office level. Used to look up agency and organizational hierarchy for federal procurement purposes.
- Human URL: https://open.gsa.gov/api/fh-public-api/
- Federal Hierarchy
- Government Organization
- Government
The Contract Awards API provides access to federal contract award information from SAM.gov, including award details, vendor information, award amounts, and performance period data.
- Human URL: https://open.gsa.gov/api/contract-awards/
- Contract Awards
- Federal Spending
- Procurement
- Government
FN: Kin Lane Email: kin@apievangelist.com