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post/domain-intel/v1/availability1 credit

Domain registration availability via RDAP (registered ⇔ an RDAP record exists). Caveat: legacy-WHOIS-only TLDs report 'available' falsely — surfaced in the note.

Working example
Parameters
request preview
curl -X POST https://api.reefapi.com/domain-intel/v1/availability \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"domain":"github.com"}'

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Playground · ReefAPI