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API Terms/Data & Enrichment/Callook.info

Callook.info

callook.info

Provides lookups of United States amateur radio callsign information in plain text, XML, and JSON/JSONP formats.

The Callook.info API has free pricing. Verified 2026-07-12 with per-field source links.

Data & Enrichment Verified 2026-07-12 low confidence
Base URL
not documented null
no source
Auth
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Free tier
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Pricing model
free
callook.info ↗
Pricing
Free to use; donations requested to help with hosting costs
callook.info ↗
Rate limits
not documented null
no source
OpenAPI spec
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MCP server
not documented null
no source