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Marketplace Auditor ← All Tools
🛍️ 100% In-RAM Transaction Guard • Buyer & Seller Fraud Scanner • Zero Cloud Logs

Marketplace & Escrow Scam Detector

Audit buyer/seller messages from Facebook Marketplace, OLX, eBay, and Craigslist. Detect fake courier pickups, Zelle overpayment tricks, and phone verification scams.

Buyer / Seller Chat or Listing Message
Presets: | | |
0 words • 0 characters
Transaction Safety Verdict
Awaiting Message Input
Transaction Risk: N/A

Paste any marketplace dialogue above to inspect for off-platform payment coercion, fake mover pickups, and advance-fee refund schemes.

🚚 Courier / Mover Traps 0
💳 Off-Platform Steering 0
🔢 Verification Code PIN 0
💰 Overpayment / Upgrade 0
Marketplace Red Flags 0 Flags Identified
No flags identified yet.
Recommended Counter-Response
Counter-response script will generate automatically based on detected flags.
Safety Rule: Keep all chat on platform 100% In-RAM

Marketplace Transaction Safety Comparison

How authentic buyers operate vs. organized marketplace scammers.

Scenario Legitimate Buyer Behavior Scammer / Fraud Pattern
Item Pickup Meets in person at a well-lit public place (police station, mall). Sends a "private courier / shipping agent" because they are away.
Payment Method Uses official in-app checkout or exact cash upon in-person handover. Demands your email for fake Zelle/Venmo screenshots or sends cashier check.
Identity Verification Communicates entirely through the platform's messaging tool. Asks you to send back a 6-digit SMS verification code (Google Voice trap).
Price Negotiation Negotiates reasonably or accepts listing price without drama. Offers to pay extra without inspecting the item or asking questions.

The Complete Guide to Marketplace & Peer-to-Peer Scams

Peer-to-peer marketplaces like Facebook Marketplace, Craigslist, and OLX have transformed local commerce. However, because these platforms host millions of transactions daily, scammers exploit sellers through psychological manipulation, fake payment confirmations, and identity-stealing phone verification traps.

1. The Fake Zelle "Business Account Upgrade" Scam

In this attack, a buyer asks for your email address to "send payment via Zelle". Shortly after, you receive a spoofed email pretending to be Zelle or PayPal stating that the transaction cannot go through because you do not have a "Merchant/Business Account". The email claims the buyer sent an additional $300 to upgrade your account and instructs you to refund the $300 back to the buyer immediately. In reality, no money was ever sent.

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Frequently Asked Questions

Should I ever give my personal phone number or email to a marketplace buyer?

No. Legitimate transactions on Facebook Marketplace and eBay should remain entirely within their built-in messaging systems. Giving your email allows scammers to send fake payment receipts.

What is the safest way to complete a local marketplace sale?

Meet in person at a public, well-monitored location (such as a designated police station safe-exchange zone) and accept cash in hand upon physical inspection.