Centers for Disease Control and Prevention · Rate Limits

Centers For Disease Control And Prevention Rate Limits

Published rate limits across the CDC API surface. CDC does not operate a quota system: its data APIs are free and anonymous, and the only enforcement is Socrata's IP-based throttle on token-less SODA traffic. What is missing is the runtime signal — no CDC surface returns any RateLimit-* or X-RateLimit-* response header, so a caller cannot see its remaining budget.

Centers For Disease Control And Prevention Rate Limits is the machine-readable rate-limit profile for Centers for Disease Control and Prevention on the APIs.io network, conforming to the API Commons Rate Limits specification.

It captures 5 rate-limit definitions, across the anonymous, app-token, response-size, automated, and page-size tiers.

The profile also includes response codes documented for throttled, quotaExceeded, and serviceUnavailable.

Tagged areas include CDC, Open Data, Public Health, Socrata, and WONDER.

5 Limits Throttle: 429
CDCOpen DataPublic HealthSocrataWONDERRate Limiting

Limits

SODA without an application token per-ip
SODA with an application token per-token
SODA maximum rows per request per-request
50000
CDC WONDER query cadence for automated data mining per-client
1
Content Syndication maximum items per page per-request
100

Work with this as data

Every rate limit 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 rate limits

4 MCP tools reach this
  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • 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 rate limit 
curl "https://apis.io/api/v1/rate-limits/centers-for-disease-control-and-prevention-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?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.

GitHub Google LinkedIn

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