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🦅 Warm is the mechanic — mailbox warmup, deliverability-first sending. Hawk is precision targeting over volume. One server per account, not a shared pool: your own containers, your own database, your own TLS certificate. WarmHawk never touches your leads or mailbox credentials, because it never sees them.
The free engine takes one command and no license:
git clone https://github.com/warmhawk/warmhawk-core-engine.git && cd warmhawk-core-engine
./scripts/install.sh --domain api.yourcompany.comFull sending/queueing API, direct access, no dashboard, no credit card. The paid Self-Hosted Pro tier adds the operator dashboard on top — see What it costs below.
- True infrastructure-level single tenancy. Your own containers, database, nginx, TLS certificate, and Docker network. Not a "dedicated IP," not an isolated row in a shared database — nothing here is shared with any other customer, or with WarmHawk itself.
- Live in under 10 minutes, one command. Handles TLS, secrets, and the full stack, start to finish.
- Real deliverability data, not a vanity score. Most "warmup health" numbers are self-reported and can read 90+ while real inbox placement quietly collapses. WarmHawk surfaces an actual seed-inbox placement result instead.
- A queue engine that won't burn your domains. Every send respects a minimum cadence floor with jitter; mailbox rotation is capacity-aware, favoring whichever mailbox has sent least recently.
- No per-seat, no credits, no hidden add-ons. One flat fee per account. Warmup, uptime monitoring, and OTEL export are built in, not upsells.
Every tier runs the same sending engine — what changes is the dashboard, the support SLA, and how much of the running is done for you.
🆓 Open Core — free. Direct API access, no web UI. This repo.
⚡ Self-Hosted Pro — $199/mo (or $1,990/yr, two months free). Full operator dashboard, unlimited domains/mailboxes/users, live queue inspector, bundled Uptime Kuma + OTEL export, nightly backups, 2FA, a 1-business-day support SLA (4h on critical), and a 30-day money-back guarantee.
🏢 Enterprise DFY — $1,999 one-time setup + $199/mo. Everything in Pro, plus WarmHawk's founder handles deployment, DNS, and white-glove list migration for you — self-serve checkout, same $199/mo software fee as Pro.
Full breakdown: warmhawk.com/compare/pricing
Instantly, Smartlead, Lemlist, and Woodpecker all run every customer on shared, vendor-owned servers. WarmHawk doesn't. Side-by-side write-ups: vs Smartlead · vs Lemlist · vs Woodpecker · vs a custom n8n setup · vs Inframail
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🦅 © 2026 WarmHawk. Self-hosted, always.