CDC WONDER API

CDC WONDER (Wide-ranging ONline Data for Epidemiologic Research) is a suite of public-use ad-hoc query databases covering underlying and multiple cause of death, natality, cancer statistics, tuberculosis, STDs, vaccine adverse events, and environmental health indicators. WONDER exposes an XML-based HTTP API that accepts parameter documents and returns aggregate statistics suitable for epidemiologic research.

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/cdc-wonder-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑
aid: centers-for-disease-control-and-prevention:cdc-wonder-api
name: CDC WONDER API
tags:
- Cancer
- Mortality
- Natality
- Query Database
- Statistics
humanURL: https://wonder.cdc.gov/
baseURL: https://wonder.cdc.gov/controller/datarequest/
properties:
- url: https://wonder.cdc.gov/
  type: Website
- url: https://wonder.cdc.gov/wonder/help/wonder-api.html
  type: Documentation
- url: https://wonder.cdc.gov/wonder/help/faq.html
  type: FAQ
description: CDC WONDER (Wide-ranging ONline Data for Epidemiologic Research) is a suite of public-use
  ad-hoc query databases covering underlying and multiple cause of death, natality, cancer statistics,
  tuberculosis, STDs, vaccine adverse events, and environmental health indicators. WONDER exposes an XML-based
  HTTP API that accepts parameter documents and returns aggregate statistics suitable for epidemiologic
  research.