At Signatrue, we revolutionize autograph verification with AI and Machine Learning.

Unlike humans who tire or miss small details, our AI reviews thousands of autographs with consistent accuracy and improves with every analysis. It spots fakes that people might overlook—faster, more precisely, and at lower cost.

Our mission is simple: to give you fast, reliable, and accessible autograph authentication. Whether you're a collector, fan, or professional, we help you protect the authenticity of what matters most.

AI examining a signature with holograms
  • Michael Jackson autograph authentication sample
  • Cristiano Ronaldo signed autograph
  • Tom Hanks autograph signed example
  • Ronaldinho signed autograph for AI signature verification
  • Stephen Curry basketball autograph authentication
  • Taylor Swift autograph signature example
  • Serena Williams autograph authentication sample
  • Michael Jordan signed autograph example
  • Lionel Messi signed jersey autograph example
  • Tom Brady autograph authentication sample
  • Lamine Yamal autograph signature example
  • Patrick Mahomes autograph verification sample
  • LeBron James signed autograph for AI verification
  • Tyson Fury signed boxing glove autograph example

AI Autograph Authentication - How It Works:

Our AI autograph authentication service compares thousands of verified examples to help collectors, fans, and businesses confirm genuine signatures with confidence.

 Online Submission

Whether you choose RapidReview or Pre-Authentication, simply upload a photo of the autograph or share the auction link directly through our platform.

 Expert Analysis

Our advanced AI algorithms will meticulously analyze the autograph's characteristics, comparing them against our extensive database. To learn more, click here

 Issue certification

Pre-Authentication provides a detailed online pre-certification with analysis, model score, and outcome (Likely Genuine or Not). RapidReview offers a shorter outcome statement, valid for 30 days.

Tailored Packages to Suit Every Requirement

Explore our range of packages, and discover the perfect fit for your needs.

 RapidReview

$10

 

Best for pre‑purchases — get peace of mind before buying listed autographed items with the trusted opinion of our advanced authentication system.

  • Analysis results in as little as 48 hours
  • Receive a professional statement before buying a signed item
  • Obtain a Rapid Review statement valid for 30 days
  • Powered by our most advanced AI authentication model
  • Compatible with any auction house

 Online Pre-Authentication

$20

 

Start your authentication by uploading autograph images for our advanced system to review. Ideal before buying, listing, adding value to items you own, or getting a detailed statement on authenticity.

  • Powered by our most advanced AI authentication model
  • Compatible with any auction house

    • Plus:

  • Analysis results in as little as 72 hours
  • Suitable for high-value items pre-purchase
  • Deeper analysis - up to 40 evaluation points
  • Permanent, downloadable certificate
  • Compatible with any physical item

 Mail-In Full Authentication

SOON

 

Elevate your authentication to the highest standard. Enhance your Online Pre-Authenticated autographs with our Mail-In Authentication service for a full physical examination and certification.

  • All Pre-Authentication features

    • Plus:

  • Detailed physical inspection using our AI authentication system
  • Online certification upgraded to Full Authentication with sticker number*
  • Tamper-proof sticker applied to your item*
  • Letter of Authentication (LOA) available ($25)
  • Processing completed within 10 days
  • * Only for successful Pre-Authenticated items

Frequently Asked Questions

What is AI autograph authentication?

AI autograph authentication is the process of using artificial intelligence and machine learning to analyze handwriting and signature features to determine whether an autograph is genuine or fake. Signatrue compares uploaded signatures against thousands of verified examples for accurate results.

Can AI verify a signature's authenticity?

Yes. AI can identify patterns, inconsistencies, and details that human eyes may miss. While no method is 100% perfect, our AI-driven system provides reliable and consistent signature verification for collectors, businesses, and fans.

How accurate is Signatrue's autograph identifier?

Our autograph identifier uses advanced AI models that are continuously trained and improved. The accuracy improves with every analysis and provides trusted insights with clear results such as “Likely Genuine” or “Not Genuine.”