For cold email agencies on Instantly

Stop Losing Hot Leads
to a Slow Inbox

Every INTERESTED reply auto-categorized, followed up in under 5 minutes, and kept compliance-safe — so no agency ever loses a $2–7K/mo client to an unanswered email.

Book a Free Inbox Leak Audit See how it works

One unanswered INTERESTED reply = one lost client. Cold email agencies running 3+ Instantly sub-accounts leak revenue every day — not from bad leads, but from a messy, unmonitored inbox.

Your inbox is where your revenue leaks

You send thousands of emails. Prospects reply. Then nothing happens fast enough.

🔕

Replies go cold

INTERESTED leads sit in a multi-account inbox for hours. By the time someone replies, the prospect has moved on.

⚠️

Compliance blind spots

Unsubscribe requests aren't blocklisted fast enough. One complaint hits your sending reputation before you notice.

📉

Domain health drift

SPF breaks, domains hit blacklists, or certs expire silently. You find out when deliverability tanks, not before.

The inbox automation layer for Instantly agencies

One platform. Four modules. Every reply caught, categorized, and acted on — automatically.

Base

Reply Intel

AI classifies every reply (INTERESTED, OOO, Unsubscribe, etc.), fires Slack alerts, and logs everything to your live dashboard.

$400 setup · $400/mo
Add-on

HotLead Closer

Auto follow-up on every INTERESTED reply in under 5 minutes — sent from the correct mailbox via Instantly Unibox API.

+$250 setup · +$300/mo
Add-on

Unsubscribe Shield

Auto-blocklists opt-outs via Instantly API the moment they reply. Full compliance audit log in your dashboard.

+$150 setup · +$200/mo
Add-on

Domain Sentinel

Monitors SPF, DKIM, DMARC, MX, blacklists, and domain expiry every 6 hours. Slack alert before anything breaks.

+$150 setup · +$200/mo

Up and running in 48 hours

No code. No Zapier. A managed automation layer that sits on top of your existing Instantly setup.

1

Inbox Leak Audit (free)

We take a read-only look at one of your Instantly workspaces and quantify exactly how many INTERESTED replies leaked in the last 30 days — and what that's worth in lost ARR.

2

We configure InboxLayer on your account

Your API keys. Your Instantly sub-accounts. Your Slack. We wire it up and test it end-to-end. Setup takes 24–48 hours.

3

Every reply is handled automatically

INTERESTED replies trigger an automatic, on-brand follow-up in under 5 minutes. You get a Slack ping. Nothing leaks.

4

Weekly report delivered to your inbox

Inbox Intelligence Score, reply breakdown, campaign stats, and domain health — one email, every Friday morning.

Simple. Transparent. No surprises.

One offer. Start with the module that solves your loudest pain, expand from there.

Starter

Reply Intel + HotLead Closer

$700/mo
$650 one-time setup
  • AI reply categorization (every inbox, every account)
  • Auto follow-up on INTERESTED replies in <5 min
  • Slack alerts for hot leads
  • Live dashboard
Pilot offer (first 3 clients only): 40% off the combined setup + month 1 invoice in exchange for a documented case study. Month 2 onwards at full list price. Payment before setup — always.

Find out how much your inbox is leaking

Book a free 20-minute Inbox Leak Audit. We'll show you the exact replies that slipped through — using your own data.

Book Your Free Audit