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post/domain-intel/v1/subdomains1 credit

Subdomain discovery via Certificate-Transparency-log cert SANs (the standard passive method; pass deep=true for full crt.sh history = more results).

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

Hit Send to run this endpoint live.

Playground · ReefAPI