The playground

Try any of 1042 endpoints — live.

Pick an endpoint, load a working example, tweak the params, and send — no signup to try. Results render the way the data deserves; raw JSON, headers & code are one tab away.

Playground demo key · api.reefapi.com
post/ip-geolocation/v1/lookup1 credit

geolocate ONE IPv4/IPv6 → country/region/city/lat-lon/timezone/ASN/ISP/org + hosting flag

Working example
Parameters

A single IPv4 or IPv6 address to geolocate (e.g. 8.8.8.8 or 2001:4860:4860::8888).

Preferred language for place names (country/region/city), e.g. en, de, fr, es, ru, ja. Falls back to English when a locale name is unavailable.

request preview
curl -X POST https://api.reefapi.com/ip-geolocation/v1/lookup \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"ip":"8.8.8.8"}'

Hit Send to run this endpoint live.