Zendo warms domains gradually, checks DNS records, watches placement signals, and alerts your team before a sending issue hurts campaigns.
Email that
Warm domains, run sequences, and reply in your voice
Ask Zendo to warm a domain & launch a sequence…Powering outbound for modern businesses
Your whole funnel, handled
Find, warm, write, send, and reply, all in one place.
Start NowSee exactly how Zendo runs your outbound
Warm. Find. Write. Send. Automate.
Land in the inbox, every time
Zendo warms every domain across real inboxes and guards your sender reputation 24/7.
- Warmed by real inboxes, not bots
- SPF, DKIM & DMARC watched 24/7
- Alerts the moment placement slips

Find your perfect leads
Describe your ideal buyer. Zendo finds, verifies, and scores them, ready to send in seconds.
- Discovery from a plain-English brief
- Verified emails + company data
- Scored and saved to your database

On-brand emails, instantly
Describe the email. Zendo writes it in your voice, with variants you tweak in a click.
- Drafts in your brand voice
- Learns your tone and reuses it
- Subject & tone variants
Launch campaigns in minutes
Adaptive sequences that pause the second someone replies, then route the lead to the right rep.
- Drag-and-drop sequence builder
- Smart per-recipient send windows
- Auto-pause and route on reply

Workflows that just work
A lead joins, opens, or books, and Zendo routes, tags, and fires the next campaign. No setup.
- Trigger, logic & action nodes
- Conditional splits and timed waits
- Fires from events you track

Built for outbound, not broadcasts
Mailchimp, Klaviyo, and Brevo blast marketing lists. Zendo finds, warms, sends, and replies.
| Capability | Mailchimp | Klaviyo | Brevo | |
|---|---|---|---|---|
| Built for cold outreach | Yes | |||
| Domain warmup | Guided | Real-inbox network | ||
| Lead finder & database | Built in | |||
| Visual email composer | Drag & drop | Drag & drop | Drag & drop | AI, on-brand |
| Unified inbox (Unibox) | Chat-first | Every reply, one place | ||
| AI reply drafting | Chat replies | In your voice | ||
| Campaign automations | Journeys | Flows | Workflows | Triggers & sequences |
| Inbox-placement testing | Real-time | |||
| Pricing model | Per contact | Per contact + SMS | Per email sent | Scales with sending |
Plugs into your whole stack
Answers for fast-moving teams
Yes. You can require approval by mailbox, account, intent, or keyword, then keep the full thread summary visible before a reply is sent.
Connect an existing Gmail, Outlook, or any IMAP/SMTP mailbox in minutes. When you are ready to scale, Zendo helps you add and warm fresh sending domains without hand-editing DNS.
Native integrations cover Gmail, Outlook, IMAP, SMTP, Mailgun, and HubSpot. Webhooks can route the rest.
Most teams connect domains, import a first campaign, and start inbox monitoring in under an hour.
Plans scale with sending volume and connected mailboxes. Book a demo and we will map a plan to your team, then add seats or domains as you grow.