# Department of Homeland Security

**Canonical:** https://apis.io/providers/department-of-homeland-security/  
**Website:** https://www.dhs.gov  
**APIs profiled:** 19

The U.S. Department of Homeland Security (DHS) is a cabinet-level federal agency responsible for protecting the nation from terrorism, securing borders, enforcing immigration law, responding to disasters, and securing cyberspace. DHS exposes APIs across its operational components, including FEMA's OpenFEMA platform, USCIS's Developer Portal, the CISA Known Exploited Vulnerabilities catalog, the National Terrorism Advisory System (NTAS) feed, and the DHS Open Data Catalog.

## Kin Score — 30.6 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 30.6).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 51.7 |
| Governance | 15.2 |
| Contract Governance | 15.2 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 28.6 |
| Access Clarity | 28.6 |

Regulatory layer — **Government & Public Sector**: 27.8 (matched via tags).

## Agent readiness — 24.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (19)

- **USCIS Case Status API** — The USCIS Case Status API provides programmatic access to the same Case Status Online lookup that immigration applicants use, allowing authorized partners to retrieve the curren...
- **USCIS FOIA Request and Status API** — The USCIS FOIA Request and Status API allows partners to submit Freedom of Information Act requests programmatically and check the status of submitted requests. It is published ...
- **CISA Known Exploited Vulnerabilities Catalog Feed** — The CISA Known Exploited Vulnerabilities (KEV) catalog is a curated list of vulnerabilities that have been actively exploited in the wild. The catalog is published as a JSON and...
- **National Terrorism Advisory System Feed** — The National Terrorism Advisory System (NTAS) feed publishes current terrorism alerts and bulletins issued by DHS as XML files. Developers can consume the feed to surface adviso...
- **DHS Open Data Catalog** — The DHS Open Data Catalog publishes datasets across the Department's mission areas (immigration, law enforcement, emergency management, cybersecurity, infrastructure protection,...
- **Department of Homeland Security DisasterDeclarationsSummaries API** — The DisasterDeclarationsSummaries API from Department of Homeland Security — 1 operation(s) for disasterdeclarationssummaries.
- **Department of Homeland Security EmergencyManagementPerformanceGrants API** — The EmergencyManagementPerformanceGrants API from Department of Homeland Security — 1 operation(s) for emergencymanagementperformancegrants.
- **Department of Homeland Security FemaRegions API** — The FemaRegions API from Department of Homeland Security — 1 operation(s) for femaregions.
- **Department of Homeland Security FemaWebDisasterSummaries API** — The FemaWebDisasterSummaries API from Department of Homeland Security — 1 operation(s) for femawebdisastersummaries.
- **Department of Homeland Security FimaNfipClaims API** — The FimaNfipClaims API from Department of Homeland Security — 1 operation(s) for fimanfipclaims.
- **Department of Homeland Security FimaNfipPolicies API** — The FimaNfipPolicies API from Department of Homeland Security — 1 operation(s) for fimanfippolicies.
- **Department of Homeland Security HazardMitigationAssistanceProjects API** — The HazardMitigationAssistanceProjects API from Department of Homeland Security — 1 operation(s) for hazardmitigationassistanceprojects.
- **Department of Homeland Security HazardMitigationGrants API** — The HazardMitigationGrants API from Department of Homeland Security — 1 operation(s) for hazardmitigationgrants.
- **Department of Homeland Security HousingAssistanceOwners API** — The HousingAssistanceOwners API from Department of Homeland Security — 1 operation(s) for housingassistanceowners.
- **Department of Homeland Security HousingAssistanceRenters API** — The HousingAssistanceRenters API from Department of Homeland Security — 1 operation(s) for housingassistancerenters.
- **Department of Homeland Security IndividualsAndHouseholdsProgramValidRegistrations API** — The IndividualsAndHouseholdsProgramValidRegistrations API from Department of Homeland Security — 1 operation(s) for individualsandhouseholdsprogramvalidregistrations.
- **Department of Homeland Security MissionAssignments API** — The MissionAssignments API from Department of Homeland Security — 1 operation(s) for missionassignments.
- **Department of Homeland Security PublicAssistanceApplicants API** — The PublicAssistanceApplicants API from Department of Homeland Security — 1 operation(s) for publicassistanceapplicants.
- **Department of Homeland Security PublicAssistanceFundedProjectsDetails API** — The PublicAssistanceFundedProjectsDetails API from Department of Homeland Security — 1 operation(s) for publicassistancefundedprojectsdetails.

## Agentic access (1)

- **Department Of Homeland Security Agentic Access** — 14 operations

## Security (1)

- **Department Of Homeland Security Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Department Of Homeland Security Plans Pricing**

## Tags

CISA, Cybersecurity, Disaster, Federal-Government, FEMA, Homeland Security, Immigration, NTAS, Open Data, USCIS

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/department-of-homeland-security/). Scores are computed from the provider's own public artifacts under a published rubric.