Base URL: https://ebounce.custmax.com
Pass your API key in the X-API-Key header or as ?api_key=. Create keys in your dashboard.
Query: email (required). Costs 1 validation.
Verdicts: pass / fail. Reasons: ok, bad-syntax, no-mx, disposable, role-based, dns-error.
JSON body: {"emails": ["a@x.com", "b@y.com"]}. Costs 1 validation per email.
401 missing/invalid API key · 402 monthly quota exceeded (upgrade at /pricing) · 400 bad request.