Artemis · Rate Limits

Artemis Rate Limits

Published rate limits for the NASA Open API surface at api.nasa.gov, plus the runtime headers the gateway actually returns.

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

It captures 3 rate-limit definitions, across the demo and registered tiers, measuring requests_per_hour and requests_per_day.

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

Tagged areas include NASA, Space, Government, Rate Limiting, and Quotas.

3 Limits Throttle: 429 Quota: 429
NASASpaceGovernmentRate LimitingQuotas

Limits

DEMO_KEY (shared, unregistered) ip-address
requests_per_hour
30
DEMO_KEY (shared, unregistered) ip-address
requests_per_day
50
Registered developer API key api-key
requests_per_hour
1000

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/artemis-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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