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/domain-risk/v1/batch1 credit

Risk-assess up to 50 domains in one call (RDAP + DNS + email hygiene scoring, no per-domain parked-page probe). Returns a risk verdict per domain plus a combined high-risk list — ideal for bulk fraud screening.

Working example

Parameters

domainsrequired

A list of full domains to risk-assess at once (comma-separated string or array). Capped at 50; invalid entries reported under 'invalid'.

request preview

curl -X POST https://api.reefapi.com/domain-risk/v1/batch \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"domains":"google.com,g00gle.com"}'

Hit Send to run this endpoint live.