Cancer.gov · Rate Limits

Cancer Gov Rate Limits

Cancer Gov Rate Limits is the machine-readable rate-limit profile for Cancer.gov on the APIs.io network, conforming to the API Commons Rate Limits specification.

It captures 5 rate-limit definitions.

The profile also includes response codes documented for throttled and note.

Tagged areas include Cancer, Federal-Government, Healthcare, Research, and Clinical Trials.

5 Limits
CancerFederal-GovernmentHealthcareResearchClinical TrialsGenomicsSurveillanceOpen Data

Limits

SEER*API published call ceiling per-key
5000

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/cancer-gov-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.