General Services Administration
The General Services Administration (GSA) provides workplaces by constructing, managing, and preserving government buildings and by leasing and managing commercial real estate. GSA acquisition solutions offer private sector professional services, equipment, supplies, and IT to government organizations and the military. GSA also promotes management best practices and efficient government operations through the development of governmentwide policies, including a broad portfolio of public APIs.
General Services Administration publishes 89 APIs on the APIs.io network, including Action API, Admin API, Admin Group API, and 86 more. Tagged areas include Federal Government, Procurement, Acquisition, Open Data, and Government.
General Services Administration’s developer surface includes authentication, documentation, API reference, getting-started guide, signup flow, support, engineering blog, and 50 more developer resources.
Kin Score
APIs 89
Individual APIs this provider publishes, each with its own machine-readable definition.
Contract-Awarded Labor Category (CALC) API
The CALC Labor Ceiling Rates tool is a pricing research tool located on buy.gsa.gov to support government acquisition professionals in services pricing business intelligence.
GSA Fleet Vehicles / Vehicle Leasing
GSA Fleet provides leasing services for a wide variety of vehicle and fuel types for participating federal agencies with full-service leases at all-inclusive rates.
SAM.gov Federal Hierarchy FOUO API
The Federal Hierarchy For Official Use Only (FOUO) API allows U.S. Government users to obtain Federal Organization details down to the office level.
SAM.gov Federal Hierarchy Public API
Federal Hierarchy public API allows non-federal users to obtain Federal Organization details (Departments/Ind. Agency and SubTier).
SAM.gov Get Opportunities Public API
Get Opportunities API provides all the published opportunity details based on the request parameters. This API requires pagination.
SAM.gov Product Service Codes (PSC) API
PSC API provides PSC data (PSC Code, PSC Name, PSC Full Name, Status, Parent PSC Code, Start Date, End Date and updated date) based on the request parameters with pagination sup...
SAM.gov Public Location Services API
The Public Location Services API provides Location Services data (Country, State, City, ZIP) for validating location data submitted to SAM.gov. Supports United States and, with ...
Search.gov Type-Ahead Suggestions API
Exposes the type-ahead suggestions that can appear below your search box as searchers enter their search terms. RETIRED: probed 2026-09-12 — https://open.gsa.gov/api/searchgov-s...
TMSS 2.0 Rate Query API
The Rate Query API offered by TMSS 2.0 is used to retrieve shipment cost for a regular Household Goods (HHG) shipment or for an Extended Storage (EXSTG) shipment for Federal Civ...
Sustainable Facilities Tool API
Offers sustainable guidance and tools for various roles via the Sustainable Facilities Tool (SFTool). RETIRED: probed 2026-09-12 — https://sftool.gov/developers returns HTTP 200...
General Services Administration Action API
CKAN's Action API is a powerful, RPC-style API that exposes all of CKAN's core features to API clients.
General Services Administration Admin API
The admin API from General Services Administration — 2 operation(s) for admin.
General Services Administration Admin Group API
The admin_group API from General Services Administration — 2 operation(s) for admin_group.
General Services Administration Admin Permission API
The admin_permission API from General Services Administration — 1 operation(s) for admin_permission.
General Services Administration Agencies API
The Agencies API from General Services Administration — 1 operation(s) for agencies.
General Services Administration Analysis API
The Analysis API from General Services Administration — 1 operation(s) for analysis.
General Services Administration Analytics API
The analytics API from General Services Administration — 2 operation(s) for analytics.
General Services Administration API
The api API from General Services Administration — 2 operation(s) for api.
General Services Administration API Scope API
The api_scope API from General Services Administration — 2 operation(s) for api_scope.
General Services Administration Assistance Bulk Upload API
The Assistance Bulk Upload API from General Services Administration — 2 operation(s) for assistance bulk upload.
General Services Administration Assistance Listings API
The Assistance Listings API from General Services Administration — 1 operation(s) for assistance listings.
General Services Administration Attachments API
The attachments API from General Services Administration — 5 operation(s) for attachments.
General Services Administration Budget Account Longitudinal Report API
The BudgetAccountLongitudinalReport API from General Services Administration — 1 operation(s) for budgetaccountlongitudinalreport.
General Services Administration Budget Authority Feed API
The BudgetAuthorityFeed API from General Services Administration — 1 operation(s) for budgetauthorityfeed.
General Services Administration Bureaus API
The Bureaus API from General Services Administration — 2 operation(s) for bureaus.
General Services Administration Cio Authority API
The CioAuthority API from General Services Administration — 2 operation(s) for cioauthority.
General Services Administration Cio Rating API
The CioRating API from General Services Administration — 2 operation(s) for ciorating.
General Services Administration Cio Rating Count Report API
The CioRatingCountReport API from General Services Administration — 1 operation(s) for cioratingcountreport.
General Services Administration Cio Ratings Feed API
The CioRatingsFeed API from General Services Administration — 1 operation(s) for cioratingsfeed.
General Services Administration comment submission utilities API
The comment submission utilities API from General Services Administration — 3 operation(s) for comment submission utilities.
General Services Administration Comments API
The comments API from General Services Administration — 2 operation(s) for comments.
General Services Administration Config API
The config API from General Services Administration — 2 operation(s) for config.
General Services Administration Contact API
The contact API from General Services Administration — 1 operation(s) for contact.
General Services Administration Contract API
The Contract API from General Services Administration — 2 operation(s) for contract.
General Services Administration Contract Award Controller API
The contract-award-controller API from General Services Administration — 2 operation(s) for contract-award-controller.
General Services Administration Contracts Bulk Upload API
The Contracts Bulk Upload API from General Services Administration — 2 operation(s) for contracts bulk upload.
General Services Administration Contracts Feed API
The ContractsFeed API from General Services Administration — 1 operation(s) for contractsfeed.
General Services Administration Cost Pool Feed API
The CostPoolFeed API from General Services Administration — 1 operation(s) for costpoolfeed.
General Services Administration Cost Pool History Report API
The CostPoolHistoryReport API from General Services Administration — 2 operation(s) for costpoolhistoryreport.
General Services Administration Cost Pool Longitudinal Report API
The CostPoolLongitudinalReport API from General Services Administration — 1 operation(s) for costpoollongitudinalreport.
General Services Administration CX Collections API
The CX Collections API from General Services Administration — 3 operation(s) for cx collections.
General Services Administration Digital Registry API
The Digital Registry API from General Services Administration — 1 operation(s) for digital registry.
General Services Administration Dockets API
The dockets API from General Services Administration — 2 operation(s) for dockets.
General Services Administration Documents API
The documents API from General Services Administration — 2 operation(s) for documents.
General Services Administration Domain API
The Domain API from General Services Administration — 1 operation(s) for domain.
General Services Administration Download File Controller API
Download File Controller
General Services Administration Entity Management Controller API
Entity Management Controller
General Services Administration Entity Management Controller V 2 API
Entity Management Controller V 2
General Services Administration Entity Management Controller V 3 API
Entity Management Controller V 3
General Services Administration Entity Management Controller V 4 API
Entity Management Controller V 4
General Services Administration Entity Management Extract Controller API
Operations pertaining to Entity Management Data
General Services Administration Exclusions API Controller V 4 API
Exclusions Api Controller V 4
General Services Administration Forms API
Forms (also called surveys) are used to collect user feedback. With a Touchpoints account, you can create a form, publish it in one of several digital formats and view form resp...
General Services Administration Funding Source Feed API
The FundingSourceFeed API from General Services Administration — 1 operation(s) for fundingsourcefeed.
General Services Administration Funding Source History Report API
The FundingSourceHistoryReport API from General Services Administration — 2 operation(s) for fundingsourcehistoryreport.
General Services Administration Investment Type Report API
The InvestmentTypeReport API from General Services Administration — 1 operation(s) for investmenttypereport.
General Services Administration It Tower Feed API
The ItTowerFeed API from General Services Administration — 1 operation(s) for ittowerfeed.
General Services Administration IT Tower History Report API
The ITTowerHistoryReport API from General Services Administration — 2 operation(s) for ittowerhistoryreport.
General Services Administration It Tower Longitudinal Report API
The ItTowerLongitudinalReport API from General Services Administration — 1 operation(s) for ittowerlongitudinalreport.
General Services Administration IVL API
The IVL API from General Services Administration — 4 operation(s) for ivl.
General Services Administration Ledger API
The Ledger API from General Services Administration — 2 operation(s) for ledger.
General Services Administration Ledger History Feed API
The LedgerHistoryFeed API from General Services Administration — 1 operation(s) for ledgerhistoryfeed.
General Services Administration Longitudinal Report API
The LongitudinalReport API from General Services Administration — 1 operation(s) for longitudinalreport.
General Services Administration Metric API
The Metric API from General Services Administration — 2 operation(s) for metric.
General Services Administration Metric Actual API
The MetricActual API from General Services Administration — 2 operation(s) for metricactual.
General Services Administration Metric Actual Feed API
The MetricActualFeed API from General Services Administration — 1 operation(s) for metricactualfeed.
General Services Administration Metric Actuals Count Report API
The MetricActualsCountReport API from General Services Administration — 1 operation(s) for metricactualscountreport.
General Services Administration Metric Feed API
The MetricFeed API from General Services Administration — 1 operation(s) for metricfeed.
General Services Administration Operational Analysis API
The OperationalAnalysis API from General Services Administration — 2 operation(s) for operationalanalysis.
General Services Administration Operational Analysis Feed API
The OperationalAnalysisFeed API from General Services Administration — 1 operation(s) for operationalanalysisfeed.
General Services Administration Opportunity API
The Opportunity API from General Services Administration — 14 operation(s) for opportunity.
General Services Administration Performance Gov ID API
The PerformanceGovId API from General Services Administration — 2 operation(s) for performancegovid.
General Services Administration Projects API
The Projects API from General Services Administration — 2 operation(s) for projects.
General Services Administration Projects Feed API
The ProjectsFeed API from General Services Administration — 1 operation(s) for projectsfeed.
General Services Administration Rates API
The Rates API from General Services Administration — 5 operation(s) for rates.
General Services Administration Report Search API
Search submitted reports
General Services Administration Reports API
The Reports API from General Services Administration — 1 operation(s) for reports.
General Services Administration Search API
The search API from General Services Administration — 2 operation(s) for search.
General Services Administration Search Result API
The search-result API from General Services Administration — 2 operation(s) for search-result.
General Services Administration Services API
The Services API from General Services Administration — 5 operation(s) for services.
General Services Administration Subaward Search Module API
The Subaward Search Module API API from General Services Administration — 1 operation(s) for subaward search module api.
General Services Administration Supplemental Services Feed API
The SupplementalServicesFeed API from General Services Administration — 1 operation(s) for supplementalservicesfeed.
General Services Administration Uii Longitudinal Report API
The UiiLongitudinalReport API from General Services Administration — 1 operation(s) for uiilongitudinalreport.
General Services Administration User API
The user API from General Services Administration — 2 operation(s) for user.
General Services Administration User Role API
The user_role API from General Services Administration — 1 operation(s) for user_role.
General Services Administration Variance Scores Count Report API
The VarianceScoresCountReport API from General Services Administration — 1 operation(s) for variancescorescountreport.
General Services Administration Website API
The Website API from General Services Administration — 2 operation(s) for website.
General Services Administration Website Backend API
The website_backend API from General Services Administration — 2 operation(s) for website_backend.
General Services Administration Funding Sources API
The Funding Sources API from General Services Administration — 2 operation(s) for funding sources.
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MCP Servers 1
Model Context Protocol servers that expose these APIs to AI agents.
General Services Administration MCP Server
GSA's Technology Transformation Services (GSA-TTS) is one of the few federal publishers shipping MCP servers, and two of them wrap GSA's OWN APIs: the GSA Per Diem API and the R...
MCP SERVERPricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
General Services Administration Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Security Posture 3
Authentication, domain security, vulnerability disclosure, and trust-center signals.
General Services Administration Vulnerability Disclosure
Hackerone · security.txt · contact published
SECURITYResources
Get Started 4
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 4
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 6
Pagination, idempotency, versioning, errors, and events
Build 3
SDKs, sample code, and the tooling you integrate with
Access & Security 6
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 4
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API
Other 22
Properties that don't map to a standard resource type
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Source (apis.yml)
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.