# CDC Open Data API (data.cdc.gov)

Category: [Health](https://free-web-services.com/web-services/open-data/health/)  
Page: https://free-web-services.com/web-services/open-data/health/cdc-open-data-api.html  
Documentation: https://dev.socrata.com/foundry/data.cdc.gov/bi63-dtpu

The CDC open data portal publishes hundreds of US public-health datasets, such as causes of death, vaccination coverage and disease surveillance, each with its own API (Socrata SODA). Filter, sort and aggregate rows with SoQL in the URL and get JSON or CSV, for example the leading causes of death per state and year. Free, no key needed; a free app token raises the rate limit.

- API key: Not needed
- Pricing: Free, no key needed; a free app token raises the rate limit.
- From the browser: Yes (CORS)
- Formats: JSON, CSV
- Interface: REST, HTTP-GET
- Provider: dev.socrata.com
- Last checked: Working on November 7th, 2026

Example request:

```sh
curl 'https://data.cdc.gov/resource/bi63-dtpu.json?$limit=5'
```

The JavaScript works in a web page as well as in Node.js 18 or newer.