eCommSentry - Buy Box & Listing Protection for Amazon Sellers
SMS Monitoring for Amazon Sellers

Your Buy Box Flipped. You Just Don't Know It Yet.

Buy Box flips, listing suppressions, and competitor price changes happen around the clock. Email alerts have a 20% open rate. You find out hours later. We text you within minutes.

Read-only Amazon SP-API monitoring. SMS alerts you control. Cannot touch your account.

Start 7-Day Free Trial

7-day free trial • Cancel anytime • Read-only access • ~2 minute setup

Because the alert you don't see is the same as no alert at all.

Every Minute Without Buy Box Costs You

Buy Box loss isn't a single event. It's a cascade of failures that compounds every minute you don't know about it.

0
min

Buy Box Flips to a Competitor

Your Sponsored Products ads stop delivering. Organic placement drops. Sales velocity begins to stall. You don't know yet.

30
min

Sponsored Brand Ads Budget Is Burning

These campaigns are still spending against a listing that can't convert. Every click is wasted money. You're still asleep.

2
hrs

Ranking Starts to Slide

Amazon's algorithm rewards velocity. No sales means your organic rank is decaying. Competitors are climbing. You're at your kid's game.

6
hrs

Review Velocity Stalls

No sales means no reviews. Your competitors are collecting social proof while your listing goes cold. You check email. Nothing.

12
hrs

You Finally Notice

Morning dashboard check. Sales are down. ROAS tanked. You start investigating. The damage is already done. Recovery takes days.

Estimated cost of one Buy Box loss event left unchecked for 12 hours:

$127 – $1,500+ in cascading damage

An entire month of eCommSentry costs less than one missed hour.

The Second Threat: Invisible Listings

Amazon can suppress your listing without warning. Your product disappears from search. Your ads keep spending. You have no idea.

🚫

Content Flags

A word in your bullet points triggers a policy review. Listing goes dark. No notification from Amazon.

⚠️

Compliance Issues

Hazmat flags, pesticide claims, or category-specific restrictions. You find out when a customer asks why they can't find you.

👤

Competitor Complaints

A competitor files a report. Amazon suppresses first, investigates later. Days pass before you even know.

Adam texts you when a listing status changes. Not tomorrow. Not when ROAS craters. Within minutes.

Read-Only Means Read-Only

We connect through Amazon's official SP-API with the minimum permissions needed to monitor. We cannot modify anything in your account. Ever.

🔍 What eCommSentry Can See
  • Product titles and ASINs
  • Buy Box status and current winner
  • Listing status (active, suppressed, inactive)
  • Competitor offer prices
  • Order count and sales data
  • Cancellation events
🚫 What eCommSentry Cannot Do
  • Change your prices
  • Edit your listings or content
  • Access your financial data or bank info
  • Modify account settings
  • Place or cancel orders
  • Run, pause, or change your ads
  • Access customer personal information

Monitoring only. Zero write access. We built it this way because we've been sellers too—and we know what's at stake.

Works alongside Helium 10, Jungle Scout, and your existing tools. We're not replacing your stack—we're plugging the gap they leave.

Your Phone IS the Platform

Every other Amazon monitoring tool requires you to go somewhere. Log into a dashboard. Open an app. Check a tab. Hope the notifications came through.

eCommSentry works the other way around.

Sign up, connect your account, and your phone becomes your command center. Alerts come to you. Controls happen from your keyboard. Text PAUSE and alerts pause. Text STATUS and you get an instant report. Text REALTIME and the frequency changes — all from your messages app. The same place you text your family.

📵

No App to Download

Works on any phone, any carrier. Nothing to install, update, or open. If you can receive a text, you're covered.

🖥️

No Dashboard to Check

Alerts find you, not the other way around. You're not monitoring the monitor — you're living your life until something needs your attention.

🔑

No Login to Remember

Your phone number is your account. There's no portal, no password reset, no tab to keep open. eCommSentry lives in your messages.

That's not a feature. That's a fundamentally different approach to monitoring — and no other tool for Amazon sellers does it this way.

Meet Adam: Your Competitive Intelligence

Adam watches your listings around the clock. When something needs your attention, he texts you.

Adam - Competitive Intelligence Analyst

Adam

Competitive Intelligence Analyst

Competitor undercuts your price? You'll know. Hijacker jumps on your listing? You'll know. Amazon suppresses your product? You'll know. Within minutes of our next check cycle—not tomorrow morning, not days later. You'll have time to respond before the damage compounds.

  • Buy Box lost & recovered alerts
  • Listing suppression & status changes
  • Competitor price change alerts with direct links
  • Cancellation spike detection
  • Heartbeat check-ins confirming your listings are being actively monitored
Plus, You Also Get

Meet Alyson: Your Revenue Analyst

Sales updates throughout the day. Running daily totals. And when it's been quiet? Alyson checks your Buy Box and listings, then texts you: "All clear."

Alyson

Revenue Analyst

Every seller knows the feeling: sales go quiet for a few hours and doubt creeps in. Slow day? Broken listing? Suppression? You don't want to check—but you can't not check.

Alyson solves that. In REALTIME mode, she sends a sales update at every check interval with your order count, totals, and daily running total. In DIGEST mode, she bundles everything into two daily summaries at noon and 8pm. And during quiet stretches, she proactively verifies your Buy Box and listing status so you can stop wondering.

Alyson - Revenue Analyst
PAUSE

Quiet Mode

Pause sales notifications. Buy Box and suppression alerts still come through.

DIGEST

Batch Updates

Get sales bundled into two daily summaries — noon and 8pm — instead of one-by-one.

REALTIME

Every Check

Get a sales update at every check interval with products sold, order count, order total, and running daily total.

STATUS

Quick Check

Get an instant report: what's being monitored, what mode you're in, when Adam last checked.

See What It Looks Like

eCommSentry sample Buy Box alert SMS

Tap to enlarge

To see what it feels like, text SAMPLE and we'll send it straight to your phone.

One sample per day. We don't store your number or send anything else.

Choose Your Level of Protection

One prevented Buy Box loss pays for months of service. Start with a 7-day free trial.

Sentry
$9.99 /month
$14.99 after launch
Daily protection + every sale celebrated
  • Up to 25 products
  • Alyson: Sales notifications
  • Adam: Daily Buy Box check (6am)
  • Heartbeat check-ins
  • SMS controls (PAUSE, DIGEST, etc.)
  • Suppression alerts
  • Cancellation tracking
Start Free Trial
Sentry Elite
$39.99 /month
$59.99 after launch
Maximum protection for power sellers
  • Up to 150 products
  • Alyson: Sales notifications
  • Adam: Buy Box checks every 15 min
  • Suppression alerts
  • Cancellation tracking
  • Heartbeat check-ins
  • SMS controls (PAUSE, DIGEST, etc.)
  • Priority support
Start Free Trial

Every Plan Includes

Proof It Works—Immediately Connect in 2 minutes. Get a welcome text showing YOUR products. No guessing if it's working.
🔒
Launch Pricing Forever Lock in this rate—your price never increases, even when regular pricing kicks in.
🛡️
7-Day Full Access Trial See it work with your actual products before you pay a cent.

Why I Built This

Dax Riprock - Founder of eCommSentry

In early 2025, hijackers jumped on my Amazon listings. I was making $1,000 a day selling desktop mats. Within weeks, I was down to $200. By the time I realized what was happening, the damage was done.

The worst part wasn't the money. It was knowing that if I had caught it sooner—within minutes instead of days—I could have fought back. Filed a complaint. Adjusted pricing. Paused ad spend. Done something.

I looked at every monitoring tool out there. They all had the same problem: they sent alerts to email. And email alerts have a 20% open rate. I was getting "alerts" that I wouldn't see for hours. That's not monitoring. That's a post-mortem.

So I built eCommSentry. SMS alerts for the events that actually cost you money. Read-only access because I know what it feels like when a tool touches your account. And full message control because nobody wants their phone blowing up at 2am with sales notifications when the only thing that matters is whether the Buy Box is still yours.

I built the tool I wish I'd had. I hope it saves you from the lesson I learned the hard way.

— Dax Riprock

Founder, eCommSentry • Amazon Seller