Sign Up To Claim Free Deliverability Tracker

Built for Cold EmailersHOT

Provide Exceptional Deliverability
Services To Clients With Peeker

Give clients confidence with real proof of progress: placement trends, before/after performances, and ongoing monitoring that keeps deliverability strong, long after audits.

Trusted by 500+ Leading Cold Email Teams

Scale Your LeadsScale Your Leads
ClientPushClientPush
OO
BoardyBoardy
EverOutBoundEverOutBound
Scale Your LeadsScale Your Leads
ClientPushClientPush
OO
BoardyBoardy
EverOutBoundEverOutBound
Scale Your LeadsScale Your Leads
ClientPushClientPush
OO
BoardyBoardy
EverOutBoundEverOutBound
Scale Your LeadsScale Your Leads
ClientPushClientPush
OO
BoardyBoardy
EverOutBoundEverOutBound
001Peeker For Deliverability Experts
Deliverability Insights

Deliverability Experts Give Clear And Accurate
Inbox Insights To Clients

Deliverability expert insights dashboard

Peeker gives you inbox-level visibility across every sender and client, so you can pinpoint what's hurting placement, track performance trends over time, and back every client recommendation with data.

002Peeker x Deliverability Experts
Peeker's Value To Deliverability Experts

How Peeker Helps Deliverability Experts
Deliver Measurable Deliverability Wins

01

Client Proof

Turn deliverability work into client-ready evidence. Peeker helps you package what changed, what moved, and what improved into clean, easy-to-explain reporting, so clients see progress backed by data.

02

Data On What Changed & When

Deliverability is rarely one big problem, it's a series of small shifts. Peeker aligns performance changes with key events (new domains, volume increases), so you can easily defend your recommendations.

03

Develop Proven Playbooks

Run fixes like controlled experiments, not guesswork. Compare segments and sending sources with consistent measurement, then turn winning changes into repeatable playbooks for clients.

003Why Peeker
Peeker's Standout Value

Get Ready-To-Send
Cold-Email Inboxes Now

Stock up on inboxes the smart way: clear costs, fast provisioning, and scaling without babysitting.

Transparent Pricing

Straightforward rates that stay consistent as you add more inboxes, no surprise fees or confusing "add-ons".

Faster Setup

Skip the slow, manual work. Get inboxes provisioned and organized faster so campaigns can go live without delays.

Better Quality

Inboxes come properly configured for cold emailing so you see fewer issues, smoother ramp-ups, and more stable sending.

Connect Your Email Sequencers to Peeker

Peeker allows you to connect your various sequencers like Instantly, Email Bison, PlusVibe or Smartlead via API keys.

Connect sequencers to Peeker dashboard

Built for Deliverability Experts Who
Want Better Results For Their Clients

When an inbox gets burned, Peeker automatically swaps it for a fresh and healthy one. No manual intervention, no downtime, no paused campaigns.

Automatic inbox swap workflow

Trusted by Deliverability Experts who provide consistent value to their clients.

4.9%+

Average Reply Rate

200,000+

Inboxes monitored in real time

1,000+

Burned domains replaced

004Testimonials
Hear From Top Leading Giants

Why Deliverability Experts Love
Self-Healing Inboxes

Peeker gives deliverability experts what others don't: fast setup, real tracking, and inboxes that actually land in primary.

005FAQs
Find Answers

Frequently Asked Questions

Everything you need to know before getting started with Peeker.

It shortens the “what changed?” hunt by quickly surfacing which inbox/domain is drifting, when the issue started, and the likely cause.
Shared dashboards + role-based access for team members, and a single event timeline for swaps, reconnects, inbox/domain health alerts.
It complements your sequencer and deliverability stack: keep your outbound tool, and Peeker adds continuous inbox-level monitoring plus automation (swapping, reconnect) and a unified audit trail across clients/inboxes.
Immediately, once your inboxes are connected, you get visibility into deliverability + health, and the automations start preventing issues (disconnects, burn signals) before they impact results.