Built for Marketplaces

Competitive Intelligence for Marketplaces

Monitor seller pricing, win the buy-box, and keep your platform competitive against Amazon, Walmart, and category-specific marketplaces — with intelligence that keeps pace with fast-moving marketplaces.

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Tracked SKUs
12,840
+248 this week
Avg. price gap
4.7%
−0.3% vs last week
Active alerts
37
12 require review
Price MovementLAST 30 DAYS
Marketplace sellers monitored across many platforms
Benefits

Win the buy-box. Keep the buy-box.

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Marketplace sellers face the harshest pricing environment in e-commerce — many rivals on a single SKU, prices changing constantly, and the buy-box swinging on cents. Manual monitoring doesn't cut it.

Buy-Box Win Rate

See exactly when and why you lose the buy-box — and react fast.

Cross-Platform View

One workspace covering Amazon, Walmart, eBay, and vertical marketplaces.

Seller Tracking

Identify the rival sellers driving each SKU and watch their pricing tactics.

Repricing Signal

Webhook-fed pricing recommendations into any repricing engine.

Industries served
  • Amazon FBA Sellers
  • Walmart Marketplace
  • eBay Power Sellers
  • Vertical Marketplaces
  • Platform Operators
  • Multi-Channel Brands
Use Cases

Built for marketplace sellers and platform operators

From third-party Amazon sellers to platform operators monitoring listing health, CompetRadar fits the marketplace economy.

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  • Buy-box monitoring with fast resolution
  • Seller-level price tracking and tactical alerts
  • Cross-platform price arbitrage opportunities
BUY-BOX MONITORING

See every buy-box swing the moment it happens

Continuous monitoring of every SKU you sell — with the seller, price, and shipping conditions captured for each buy-box change.

  • Frequent buy-box state polling
  • Per-seller pricing and shipping breakdown
  • Loss-reason classification (price, prime, stock)

Activity log

● Streaming
TechStore dropped Smart Watch Pro2 min ago−$30
Rival Co. raised Wireless Earbuds14 min ago+$12
SportMax lowered Sneakers1 hr ago−$8
PhotoGear restocked Camera3 hr agoIn stock
REPRICING WEBHOOKS

Wire competitive data straight into your repricer

CompetRadar fires HMAC-signed webhooks quickly — directly into your repricing engine or workflow.

  • Fast webhook delivery with retries
  • HMAC-signed payloads with full state context
  • Per-rule, per-channel routing
Alert rule
WHENCompetitor price drops by≥ 10%
ANDCategory isElectronics
THENNotify#pricing-team
SELLER INTELLIGENCE

Know the sellers driving every SKU

Profile the rival sellers on every listing — their pricing tactics, restock cadence, and which SKUs they aggressively defend.

  • Per-seller pricing histograms
  • Restock and OOS pattern detection
  • Aggressive-seller flags on key SKUs

Product matching

2,148 active
MatchScoreType
Smart Watch ProPulse Watch S6 · TechStore Pro98%Auto
Wireless Earbuds XAirBuds Plus · Rival Co.92%Auto
Running SneakersTrail Runner 2 · SportMax87%Manual
Polaroid CameraInstaSnap 300 · PhotoGear76%Auto
FAQ

Everything You Need to Know

Answers to common questions from marketplace sellers and platform operators.

Product Solutions Support
Do you support Amazon, Walmart, and eBay?+
Yes — major marketplaces and many vertical platforms are covered, with frequent cadence depending on plan.
How fast is buy-box monitoring?+
Frequent polling on priority SKUs, with webhooks firing quickly from detection.
Do you track per-seller pricing?+
Yes — every seller on every listing is captured, with histograms of their pricing behavior.
Can I see why I lost the buy-box?+
Yes. Each buy-box loss is classified by reason: price, Prime eligibility, stock, or shipping.
Do you handle international marketplaces?+
Yes. Amazon US/EU/UK/JP, Walmart Mexico, eBay UK/AU/DE, and regional marketplaces all supported.
Can I track listings I don't sell?+
Yes. Watchlists for new SKU opportunities and rival category expansion are included.
Have more questions?Contact our team — we usually reply within a business day.
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One Platform.
Competitive Clarity.

Discover how CompetRadar helps you scale competitive intelligence, automate pricing decisions, and stay ahead in marketplace platforms.

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