Sep 7, 2026·7 min read
The Best Free Luxury Serial Number Checkers (2026)
A free serial or date-code checker tells you the production era and catches format contradictions; it does not prove a bag is real. What each main free tool covers.
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Luxury Authentication Industry Insights
In-depth comparisons of authentication services, luxury goods insurance guides, and industry insights to help you choose the right platform and protect your investments.
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Business Authentication Guides
31 guides — updated regularly by our experts
Sep 7, 2026·6 min read
Does a Serial Number Prove a Bag Is Authentic?
Short answer: no. A serial or date code places a bag in a production window and catches contradictions, but the format is public and counterfeiters copy it. What a code proves, and can't.
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Aug 31, 2026·10 min read
Authentication Academies: Can You Actually Learn to Authenticate From a Course?
Authentication courses promise expert-level skill in a few hours of video. What a course can genuinely teach you, what it structurally cannot, and why the gap matters.
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Jul 18, 2026·9 min read
eBay Authenticity Guarantee Review: How It Works & Where It Falls Short
eBay's Authenticity Guarantee covers watches, sneakers, handbags, and cards above set price thresholds. What's covered, what isn't, and how it compares to dedicated services.
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Jul 18, 2026·9 min read
Vestiaire Collective Authentication Review: How It Actually Works
Vestiaire Collective built its business on authenticated luxury resale, but the depth varies by price tier and category. How the process works, and where buyers should stay cautious.
Read GuideJul 18, 2026·9 min read
Poshmark Authentication Review: Is It Safe to Buy Luxury There?
Poshmark's Posh Authenticate covers luxury items above $500, but most of the platform's resale volume falls outside it. What's actually verified, and what isn't.
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Jul 18, 2026·9 min read
StockX Authentication Review: How Legit Is Their Verification?
StockX physically verifies every sneaker, streetwear item, and increasingly handbags and watches before shipping. How the process works, and where it still falls short.
Read GuideJul 18, 2026·8 min read
Depop Authentication Review: Is It Safe to Buy Designer There?
Depop has no built-in authentication: every purchase is peer-to-peer with no pre-shipment verification, luxury or otherwise. What that means for buyers.
Read GuideJul 18, 2026·9 min read
The RealReal Authentication Review: How Legit Is Their Process?
The RealReal is curated consignment, not an open marketplace: sellers ship to them and every piece is authenticated in-house before listing. How that model plays out.
Read GuideJul 18, 2026·8 min read
Fashionphile Authentication Review: How Legit Is Their Process?
Fashionphile, now owned by 1stDibs, is a handbag-focused consignment model with in-house authentication on every listing. How its process compares.
Read GuideJul 18, 2026·8 min read
Rebag Authentication Review: How Legit Is Their Process?
Rebag pairs consignment-style authentication with instant cash offers, buying items outright. How that model affects buyer-side authentication reliability.
Read GuideJul 18, 2026·8 min read
1stDibs Authentication Review: How Legit Is Their Process?
1stDibs is a curated marketplace for vintage, antique, and designer goods spanning furniture, art, and jewelry. Sellers are vetted before listing. How authentication works.
Read GuideJul 18, 2026·8 min read
GOAT Authentication Review: How Legit Is Their Verification?
GOAT runs a verification model close to StockX's — every sneaker order is physically inspected before shipping — with growing coverage of apparel and accessories. Here's how it actually works.
Read GuideJul 18, 2026·8 min read
Grailed Authentication Review: Is It Safe for Streetwear & Menswear?
Grailed is a peer-to-peer menswear and streetwear marketplace with no automatic authentication. Buyer protection is post-purchase only, so seller reputation is the main signal.
Read GuideJul 18, 2026·8 min read
Vinted Authentication Review: Is It Safe to Buy Designer There?
Vinted, Europe's largest C2C fashion marketplace, has no built-in authentication and is built for everyday secondhand, not verified luxury resale. What that means for buyers.
Read GuideJul 18, 2026·8 min read
Mercari Authentication Review: Is It Safe to Buy Designer There?
Mercari, the Japan-founded C2C marketplace popular in the US and Japan, offers no platform-wide authentication program — it's a general secondhand marketplace, not a luxury-verification specialist.
Read GuideJul 18, 2026·8 min read
Rakuma Authentication Review: Is It Safe to Buy Designer There?
Rakuma (Rakuten's C2C marketplace) is one of Japan's largest secondhand fashion platforms, popular for both everyday and designer resale — with no platform-wide physical authentication program.
Read GuideJul 18, 2026·8 min read
Carousell Authentication Review: Is It Safe to Buy Designer There?
Carousell is Southeast Asia's largest C2C marketplace, covering everything from electronics to designer fashion — with no platform-wide physical authentication program for any category.
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Jul 18, 2026·8 min read
The Row
The Row: How Mary-Kate and Ashley Olsen Built a Quiet-Luxury House
The Row is one of the few celebrity-founded labels taken seriously by the luxury industry on design merit. How Mary-Kate and Ashley Olsen built a house resold alongside Hermès.
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Jun 19, 2026·10 min read
How Snap Specs Could Change the Way Luxury Resellers Authenticate Goods
Snap's new Specs AR glasses enable hands-free photo capture and real-time AI analysis. Here's how resellers can pair them with LuxeDetect's authentication algorithm to spot red flags faster.
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Apr 30, 2026·10 min read
Luxury Goods Insurance: The Complete Guide to Protecting What You Own
Your Birkin, Submariner, or vintage Chanel bag is an asset. Why standard home insurance falls short on luxury items, how to insure them properly, and how authentication smooths the process.
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Jan 25, 2026·12 min read
Featured
Entrupy vs LegitCheck: Which Authentication Service Should You Choose?
An in-depth comparison of two leading authentication providers, examining their technology, accuracy, pricing, and use cases to help you make the right choice.
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Jan 24, 2026·11 min read
Entrupy vs RealAuthentication: Technology vs Traditional Expertise
Comparing Entrupy's AI-powered platform with RealAuthentication's expert-driven approach to help you choose the right authentication partner.
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Jan 23, 2026·10 min read
Entrupy vs Authenticate First: Choosing Your Authentication Platform
A detailed comparison of Entrupy and Authenticate First, examining their methodologies, strengths, and ideal use cases for luxury authentication.
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Jan 22, 2026·11 min read
LegitCheck vs RealAuthentication: Expert Authentication Services Compared
Comparing two leading expert-driven authentication services to help you choose the right partner for verifying your luxury items.
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Jan 21, 2026·10 min read
LegitCheck vs Authenticate First: Which Expert Service Fits Your Needs?
Comparing LegitCheck and Authenticate First to help you choose the right expert authentication service for your luxury items.
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Jan 20, 2026·12 min read
RealAuthentication vs Authenticate First: Premium Authentication Services
Comparing two premium authentication services to determine which offers the best comprehensive verification for high-value luxury items.
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Jan 19, 2026·11 min read
Entrupy vs Certilogo: AI Authentication vs Brand Verification
Comparing Entrupy's AI-powered authentication with Certilogo's brand-integrated verification system to understand their different approaches.
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Jan 18, 2026·10 min read
LegitCheck vs Certilogo: Expert Service vs Brand Verification
Comparing LegitCheck's expert authentication service with Certilogo's brand-integrated verification to understand when to use each approach.
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Jan 17, 2026·11 min read
RealAuthentication vs Certilogo: Expert Service vs Brand Verification
Comparing RealAuthentication's comprehensive expert service with Certilogo's brand-integrated verification for high-value luxury items.
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Jan 16, 2026·11 min read
Entrupy vs CheckCheck: AI Technology vs Expert Platform
Comparing Entrupy's AI-powered authentication with CheckCheck's expert platform to understand their different approaches to luxury verification.
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