The playground
Try any of 1462 endpoints — live.
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Playground demo key · api.reefapi.com
post/domain-availability/v1/rdap1 credit
Full WHOIS via RDAP for a registered domain (registrar, created/expires, status, nameservers, dnssec, abuse). A 404 is returned cleanly (available on RDAP-served TLDs; null + a pointer to 'check' on TLDs with no RDAP server), not an error.
Working example
Parameters
request preview
curl -X POST https://api.reefapi.com/domain-availability/v1/rdap \
-H "x-api-key: $REEF_KEY" \
-H "content-type: application/json" \
-d '{"domain":"github.com"}'Hit Send to run this endpoint live.