Find the email.
Prove it exists.
Business name or domain in, verified decision-maker emails out. Real SMTP handshakes, honest “unknown” when a server won’t talk, and Jev scoring on top. Pink, because why not.
$ curl -X POST https://jevbase.app/api/v1/find \
-H "Authorization: Bearer jevbase_live_••••" \
-d '{"query":"Café Moka Mandurah"}'
→ resolvedDomain cafemoka.com.au
→ scraped /contact /about
→ smtp handshake RCPT TO … 250 OK
→ jev systemone role=founder_exec noul=0.88Four pillars. Zero pastel.
Business name → verified emails
Type “Café Moka Mandurah” or browsecheck.com. We resolve the official domain via web search, crawl home/contact/about, generate patterns and verify every candidate.
16-point SMTP engine
Syntax, MX, MX IP & country, disposable list (10k domains), role, free provider, typo fix, gibberish, spamtrap, catch-all probe and a real RCPT TO handshake. Never faked.
Jev System One decisions
Bring your JEV_API_KEY and every contact gets a role choice, a 1–4 lead score and a 0–1 decision-maker probability from jev-api.com/v1/systemone.
Native MCP server
Streamable HTTP endpoint with find_business_emails, verify_email_realtime, verify_emails_bulk, jev_evaluate_contact, get_account_credits. Paste into Cursor or Claude.
Your agents get a mailbox lie detector.
One JSON block. Works with Cursor, Claude Desktop, Grok Bot and n8n via Streamable HTTP, authenticated by your JEVBASE key.
{
"mcpServers": {
"jevbase": {
"url": "https://<your-host>/api/mcp",
"headers": {
"Authorization": "Bearer jevbase_live_••••"
}
}
}
}Fair billing. Pay for answers.
Bad syntax, dead domains, catch-alls and “unknown” cost nothing. Credits only burn on a definitive mailbox answer.