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Playground demo key · api.reefapi.com
post/email-health/v1/spf1 credit

Parse + validate the SPF record: follow include:/redirect=, count the ≤10 DNS-lookup mechanisms, flag +all and void lookups, report the all-qualifier policy.

Working example
Parameters

The domain to inspect (a bare host like github.com; a full URL, a leading www., or a full email address are accepted and normalized to the registrable domain).

request preview
curl -X POST https://api.reefapi.com/email-health/v1/spf \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"domain":"google.com"}'

Hit Send to run this endpoint live.