CoStar Group · Rate Limits

Costar Rate Limits

Scaffolded rate limit definitions for the CoStar Group API surface. Captures per-tier quotas, burst behavior, response signaling, and recovery semantics. Defaults are scaffold values to be replaced with published provider limits.

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

It captures 2 rate-limit definitions, across the free and pro tiers, measuring requests_per_minute.

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

Tagged areas include Commercial Real Estate, Residential Real Estate, Real Estate Data, Marketplaces, and Analytics.

2 Limits Throttle: 429 Quota: 429
Commercial Real EstateResidential Real EstateReal Estate DataMarketplacesAnalyticsListingsPropTechRate LimitingQuotasThrottling

Limits

Free Tier Default api-key
requests_per_minute · minute
10
Pro Tier Default api-key
requests_per_minute · minute
120

Work with this as data

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

MCP server

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

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