Cold Email Infrastructure API
A mailbox.
One API call away.
Domains, DNS, and Google & Microsoft mailboxes - white-labeled. You keep every dollar.
Monthly Revenue
$4,800
↑ 32%Provider breakdown
Google Workspace
Gmail / Google Admin
68
mailboxes
Microsoft 365
Outlook / Exchange
52
mailboxes
Active mailboxes
One API.
Full control.
Provision with one API call
Domains, DNS, Google & Microsoft mailboxes - create, update, and track everything through a single REST API.
Warmup that stays on
Enable, tune, and monitor mailbox warmup via API. Keep inbox placement healthy without babysitting settings.
Ship reputation-ready inboxes
Order pre-warmed mailboxes with reputation already baked in - ready to send from day one, not day fourteen.
Records & mailbox data, unified
DNS records, domains, subscriptions, and mailbox details - read and write the full stack from one control plane.
What we handle for you
Provision, warm, and scale
cold email infrastructure
Live in 30 Minutes, Not 48 Hours
Domains registered, DNS pushed, mailboxes provisioned automatically. Watch the live log instead of waiting on tickets.
Pre-Warmed Reputation
Skip the 14-day ramp. Pre-warmed mailboxes arrive with reputation baked in, ready to fire day one.
Deliverability You Can See
Inbox placement, bounce rates, and blacklist status - tracked live, surfaced before reply rates flatline.
How it works
From signup to revenue.
Your surface. Our rails.
Join the partner program
Free account, no card needed to look around. Sign up in 60 seconds.
Set your brand
Upload your logo, set your domain, and choose your pricing. Clients only ever see your name.
Operate your way
Same infrastructure. Two surfaces. Pick one — or use both.
White-label dashboard
Order mailboxes, manage clients, and set pricing from a panel that looks like yours.
REST APIs
You build the UI and blend it into your product. We handle everything else for you.
Paths converge · infrastructure stays the same
We provision everything
Mailboxes live in ~30 minutes. DNS pushed, SPF · DKIM · DMARC configured, warmup auto-starts. Zero tickets.
Your clients go live
Your users start buying infra under your brand — your dashboard, your support, your domain. Never ours.
Collect recurring revenue
Every mailbox bills monthly. Scale clients, scale income. We keep the infrastructure running silently behind you.
Built for builders
A mailbox is just
one API call away.
Provision instantly
One API call creates domains, DNS records, mailboxes, and starts warmup - no manual steps.
Full white-label
All mailboxes provision under your brand. Your clients never see our infrastructure.
Real-time webhooks
Get notified on provisioning complete, warmup progress, and deliverability events.
OAuth + API keys
Secure auth with scoped API keys. Integrate into any sequencer or CRM in minutes.
WHAT YOU GET
Everything, Handled for you
Your brand, our infrastructure, zero complexity.
White-label ready
Launch under your brand - logo, domain, and pricing fully customized.
Inbox deliverability
Google Workspace & M365 infrastructure that lands in the primary inbox.
99.1
% inbox rate
Provider matching
Google to Google, M365 to M365 - maximum deliverability.
Google Workspace
Gmail accounts
Microsoft 365
Outlook accounts
Scales with you
From 10 to 10,000 mailboxes as fast as you sell.
Set your own margins
You control the pricing. Keep every dollar above our base cost.
$15
per mailbox
$40
you decide
$25
pure profit
Partner-first support
Round-the-clock help from a team invested in your success.
WHY COLD MAIL RESELLER
How does Cold Mail Reseller
compare?
DIY Email SetupManual DNS, no API, no warmup | Other ResellersThin APIs, limited infrastructure | Cold Mail Reseller API. Warmup. Full control. | |
|---|---|---|---|
| Full REST API | Partial | No | Yes |
| Mailbox warmup | Manual | Limited | Yes |
| Pre-warmed mailboxes | No | No | Yes |
| DNS & record management | Manual | Limited | Yes |
| Mailbox data control | Partial | Limited | Yes |
| White-label branding | No | No | Yes |
| Time to launch | 2-4 weeks | 5-7 days | ~24 hours |
| Scales instantly | Partial | No | Yes |
| BOOK A CALL | |||
Inbox rate
99.1%
across Google & M365
Time to launch
~24h
domains, DNS & mailboxes live