Amazon Listing Alerts
Before Revenue Is Lost
What is SellerMagnet Alerts? SellerMagnet Alerts is a free, real-time monitoring system built into the Analytics Dashboard. It scans your Amazon account continuously and sends instant notifications (in-app, email or Discord) when critical events occur: hijacker detection, Buy Box loss, listing changes, price and fee shifts, inventory drops and new reviews. Rated 4.9/5 across 218 reviews.
faster response time vs. manual monitoring (avg. across SellerMagnet users)
Secure SP‐API connection Data encrypted (TLS 1.2+) Amazon Software Partner Revoke anytime
Cancel anytime · Credit card required · No charge during 14-day trial · Free tier for 60 days
Key Performance Stats
What Is the SellerMagnet Alert System?
The SellerMagnet Alert System is a real-time monitoring engine built into the Analytics Dashboard. It continuously scans your Amazon Seller Central account via the SP-API and generates instant notifications when changes occur that can affect your revenue, rankings or brand integrity.
Instead of logging into Seller Central multiple times a day, you receive targeted, actionable alerts via in-app notifications, email or Discord, so you can respond in minutes instead of days.
Wireless Bluetooth Headphones
ASIN: B09XK7R3PL · SKU: WBH-BLK-01
Selling at €24.99 €34.99 · Undercutting by 29%
Organic Protein Powder 1kg
ASIN: B08M3K9YPT · SKU: OPP-VAN-1K
Buy Box share dropped from 94% to 62% today
Stainless Steel Water Bottle 750ml
ASIN: B07P5HJKR2 · SKU: SSB-SIL-750
⏲ Estimated stockout in ~1.3 days — restock now
Every Minute Without Alerts Costs You Money
Every minute without monitoring costs you money. Amazon moves fast and problems compound before you notice them.
A Hijacker Appears on Your ASIN
An unauthorized seller undercuts your price by 12%. You lose the Buy Box in minutes.
Without Alerts: You discover it 3 days later. By then, you’ve lost €1,200+ in revenue and your organic rank has dropped.
Your Best-Seller Goes Out of Stock
FBA inventory hits zero on a Friday evening. Restock lead time: 10 days.
Without Alerts: You notice on Monday. 3 days of lost sales, plus 2–4 weeks to recover organic ranking and Buy Box share.
A 1-Star Review Tanks Your Rating
A critical review drops your product from 4.5 to 4.1 stars overnight.
Without Alerts: CVR drops 18% before you even see it. A fast, empathetic response could have turned it around within hours.
* Figures are realistic examples based on aggregated seller data collected in 2025. Actual impact varies by product category, sales volume and marketplace.
The SellerMagnet Solution: Real-time alerts give you the signal before the damage becomes irreversible. Connect once, set your rules, and let the system watch 24/7.
Included with Analytics Dashboard · Setup in under 5 minutes
Trusted by Amazon Sellers Worldwide
"Caught a hijacker on our best-selling ASIN in under 2 minutes. Without the alert, we would have lost the Buy Box for days. That single event saved us over €2,400 in lost revenue."
"We manage 8 accounts across 5 marketplaces. Before SellerMagnet, one stockout cost us 3 weeks of rank recovery. Now we get low-stock alerts 48 hours in advance and haven’t had a surprise OOS in 6 months."
"The review alerts alone are worth it. We responded to a critical 1-star review within 30 minutes, resolved the issue and got the review updated to 4 stars. That ASIN’s conversion bounced back the same week."
Included with the Analytics Dashboard · No extra cost
Six Alert Categories, One Unified Dashboard
Each alert type is independently configurable. Choose which ASINs to monitor, set your thresholds, and select your preferred notification channels.
Listing & Catalog Alerts
Detect unauthorized or critical changes to your product pages.
- Title, image and bullet-point change detection
- Category and browse-node shifts
- Listing suppression and stranded inventory flags
- Before/after diff for every change
B09XK7... · 2 fields modified
Buy Box & Hijacker Alerts
Stay ahead in the Buy Box battle and detect unauthorized sellers.
- Buy Box win/loss tracking with competitor details
- Hijacker detection (new unauthorized sellers)
- Price undercut alerts with revenue-impact estimate
- Offer-count monitoring per ASIN
B08M3... · +1 seller · -12%
Price & Fee Alerts
Monitor FBA fee changes, referral fee adjustments and pricing rule violations.
- FBA fee change detection per ASIN
- Referral fee adjustments
- Pricing rule violations flagged
- Margin-impact estimates included
B07PQ... · +€0.35/unit
Inventory & Out-of-Stock Alerts
Get notified before SKUs go out of stock.
- Custom per-SKU low-stock thresholds
- Days-of-cover estimates
- Out-of-stock alerts with restock urgency
- Multi-warehouse inventory tracking
WH-DE-042 · 3 units · 8d cover
Review & Rating Alerts
Instant notifications for critical reviews and rating changes.
- New review notifications (1–3 star priority)
- Rating change alerts (e.g. 4.5 → 4.1)
- Review velocity tracking
- Sentiment shift detection
B09XK7... · “Product broke after...”
Want to see alerts in action?
Set Up Your First AlertYour Alert Command Center
Everything you need to monitor, triage and act on alerts from a single panel.
SKU-Level Monitoring
Set individual thresholds for each SKU. High-value products get tighter rules; long-tail items use defaults.
Visual Context
Every alert includes before/after diffs, competitor pricing and estimated revenue impact so you can prioritize at a glance.
Multi-Channel Notifications
Receive alerts via in-app, email or Discord. Each alert type can use a different channel, and urgent events are flagged separately.
Alert History & Trends
Track alert frequency over time. Spot patterns like recurring hijackers, seasonal stock issues or fee change cycles.
Click any notification to expand details
How SellerMagnet Alerts Compares
See why sellers choose SellerMagnet over manual monitoring or standalone alert tools.
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| Feature | SellerMagnet | Manual (Seller Central) | Generic Alert Tools |
|---|---|---|---|
| Real-Time Scanning | Yes Under 60s | No Manual only | Partial Hourly |
| Hijacker Detection | Yes Automated | No | Partial Basic |
| Custom Per-SKU Thresholds | Yes | No | No |
| Multi-Channel Notifications | Yes App + Email + Discord | Partial Email only | Partial Email |
| Integrated Analytics | Yes Revenue impact | No | No |
| Multi-Marketplace | Yes All marketplaces | Partial 1 per session | Partial Varies |
| Pricing | Included free | Free but manual | $29 to $99/mo extra |
SellerMagnet Alerts is the only solution that combines real-time scanning, automated hijacker detection, custom per-SKU thresholds and integrated analytics, included free with the Analytics Dashboard.
Not ready to sign up? See what the alerts actually look like first.
Alerts Work Best With the Full Suite
SellerMagnet Alerts integrates natively with the <a href='/en/amazon-repricer' class='text-primary hover:underline decoration-dotted underline-offset-2'>Repricer</a>, <a href='/en/analytics-dashboard' class='text-primary hover:underline decoration-dotted underline-offset-2'>Analytics Dashboard</a> and <a href='/en/amazon-review-request' class='text-primary hover:underline decoration-dotted underline-offset-2'>Review Requester</a>. Together, they form a closed-loop system: detect, respond, optimize.
Amazon Repricer
Use Buy Box and price alerts to verify that repricing strategies work as expected. If a rule misbehaves or margins shrink, you see it immediately.
Smart repricing across all marketplaces
Analytics / Profit Dashboard
Alerts are included with the Analytics Dashboard. You get real-time profit, fees and inventory data plus monitoring in one place.
Real-time profit tracking across all marketplaces
Review Requester
Review alerts help you prioritize customer service actions and decide where automated review campaigns are most needed.
Automated review campaigns across marketplaces
Built for Every Amazon Seller
Whether you manage one brand or hundreds of accounts, SellerMagnet Alerts adapts to your workflow.
Brand Owners & Private Label
Protect your catalog from hijackers, unauthorized listing edits and negative reviews that erode your brand equity.
- Instant hijacker and Buy Box loss alerts
- Per-ASIN listing change monitoring
- Review & rating tracking across marketplaces
Resellers & Arbitrage
Stay profitable across large catalogs. Price and fee alerts ensure your margins are protected at all times.
- Price & fee change alerts in real time
- Inventory & stockout warnings before it costs you
- Multi-marketplace monitoring from one dashboard
Agencies & Aggregators
Manage multiple accounts from one panel. Configure per-SKU alerts across every marketplace you operate in.
- Multi-account and multi-brand support
- Email, in-app & Discord notifications
- Centralized control panel for all clients
Not Ready Yet? Try Our Free Tools
No sign-up, no credit card. Use these tools instantly to optimize your Amazon business, then upgrade to SellerMagnet when you’re ready.
Amazon Fee Calculator
Estimate your fees and profit per unit before you order inventory. Compare FBA vs FBM costs, referral fees, revenue and ROI in seconds.
- FBA vs FBM side-by-side comparison
- Referral, fulfillment & closing fees
- Profit margin & ROI estimate
Amazon Title Checker
Audit your product title against Amazon’s official style guide. Check character length, forbidden phrases, Title Case and 22 compliance rules in seconds.
- Title length & truncation check
- Forbidden phrases detection
- Multi-marketplace support
ASIN / UPC / EAN Converter
Convert between ASIN, UPC, EAN and ISBN product identifiers instantly. Supports bulk conversion across all Amazon marketplaces.
- Single & bulk conversion
- All Amazon marketplaces
- CSV export included
Frequently Asked Questions
Everything you need to know about the SellerMagnet Alert System.
· Written by the SellerMagnet Product Team
Stats reflect average internal platform data across 2025. Rating aggregated from Trustpilot, SourceForge, SaaSHub, Slashdot and G2.
Still have questions? Our team is here to help.
TL;DR: SellerMagnet Amazon Alerts Summary
SellerMagnet Alerts is a free, real-time Amazon monitoring system included with the Analytics Dashboard. It scans your seller account continuously and sends instant notifications (in-app, email or Discord) when critical events occur: hijacker detection, Buy Box loss, listing changes, price and fee shifts, inventory drops and new reviews.
The system supports all Amazon marketplaces, offers custom per-SKU thresholds, and delivers alerts in under 60 seconds. It is rated 4.9/5 across 218 reviews and works for brand owners, resellers and agencies managing multiple accounts.
Unlike manual Seller Central monitoring or standalone tools that charge $29 to $99/month, SellerMagnet Alerts is included at no extra cost and integrates directly with the Repricer, Review Requester and full analytics suite. Setup takes under 5 minutes via the official Amazon SP-API.