# CDC

**Canonical:** https://apis.io/providers/cdc/  
**Website:** https://open.cdc.gov/apis.html  
**APIs profiled:** 14

The US Centers for Disease Control and Prevention (CDC) provides a suite of public APIs for accessing disease surveillance data, vaccination rates, health statistics, environmental public health tracking, and public health datasets. Key offerings include the CDC WONDER API for querying mortality and disease databases, the Open Data API powered by Socrata for thousands of datasets across categories such as flu vaccinations, STDs, injury, and NCHS statistics, the Environmental Public Health Tracking Network API for environmental health data, and the PHIN VADS vocabulary service for public health terminology.

## Kin Score — 36.2 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 36.2).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 46.2 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

Regulatory layer — **Government & Public Sector**: 37.0 (matched via tags).

## Agent readiness — 38.9 (agent-ready)

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

## Access

Free — onboarding: unknown, pricing: free, trial: no (confidence: medium).

## APIs (14)

- **CDC WONDER API** — The CDC WONDER (Wide-ranging Online Data for Epidemiologic Research) API enables automated data queries in XML format over HTTP. Supports access to online databases covering mor...
- **CDC Environmental Public Health Tracking Network API** — Allows querying of data from the CDC National Environmental Public Health Tracking Network. Returns JSON-formatted responses covering environmental health indicators such as air...
- **CDC Content Syndication API** — Enables CDC to offer web content to other sites and applications. Provides structured access to CDC health content including articles, health topics, media, and tools in JSON an...
- **PHIN VADS API** — The Public Health Information Network Vocabulary Access and Distribution System (PHIN VADS) is a web-based enterprise vocabulary system for accessing, searching, and distributin...
- **CDC app-notifications API** — The app-notifications API from CDC — 1 operation(s) for app-notifications.
- **CDC code-systems API** — The code-systems API from CDC — 1 operation(s) for code-systems.
- **CDC conditions API** — The conditions API from CDC — 2 operation(s) for conditions.
- **CDC configurations API** — The configurations API from CDC — 15 operation(s) for configurations.
- **CDC events API** — The events API from CDC — 2 operation(s) for events.
- **CDC Query API** — The Query API from CDC — 1 operation(s) for query.
- **CDC Query Connector API OpenAPI 3.0 API** — The Query Connector API OpenAPI 3.0 API from CDC — 1 operation(s) for query connector api openapi 3.0.
- **CDC releases API** — The releases API from CDC — 1 operation(s) for releases.
- **CDC simulator API** — The simulator API from CDC — 3 operation(s) for simulator.
- **CDC user API** — The user API from CDC — 1 operation(s) for user.

## Agentic access (1)

- **Cdc Agentic Access** — 33 operations · 20 acting

## Security (1)

- **Cdc Domain Security** — TLSv1.2 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Plans**

## Tags

Public Health, Disease Surveillance, Vaccination, Health Statistics, Government, Open Data, Environmental Health, Mortality, CDC WONDER

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