Eliminate fake leads and
focus on high-quality
leads Maximize results

Integrate with major CRMs like HubSpot and Salesforce to automatically filter out invalid leads and spam. Reduce waste in marketing and sales.

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Over600companies in Japan trust

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Can You Really Trust Your Lead Data?

Detect Lead Fraud Instantly and at No Cost with Spider AF.

Lost Time, Lost Revenue

Fake Leads Are Killing Your Sales Efficiency

Fake Leads Corrupting CRM

Dirty data blocks meaningful insight and leads to poor strategic choices. Spider AF filters out fraud so your analysis reflects reality.

Fake Leads Feed Your Ad Models

Machine learning relies on clean data. Spam and fake conversions throw off optimization and hurt ROI.

Get a Free Fake Lead Diagnosis

Maximize Business Results
with Clean, Reliable Data

Protect Lead Quality. Improve Sales Results.

Optimize Your Lead Ads and Eliminate Wasted Spend

Protect Targeting Precision from Fraudulent Leads and Boost Campaign Results

Remove Fake Leads to Improve Ad Algorithm Accuracy and Reach the Right Audience. Eliminate audience list contamination and protect your ad platform’s machine learning from fraudulent users.

Reduce Manual Work for Marketers and focus on Strategic Initiatives

Optimize Marketing Team Workloads and Boost Efficiency

No More Guesswork. Just Qualified Leads for Your Sales Team.

Streamline Sales Efforts and Improve Conversion Rates

Make Your Sales Team More Efficient

Block Spam and Fake Submissions. Focus on Real Customers. Gain visibility into form fraud and ensure your team only engages with legitimate leads.

Customer Success Stories

Fake Lead Protection Boosting ROI by 152%

Guidable, a job platform for foreign residents in Japan, improved its ROI by 152% after implementing Spider AF's Fake Lead Protection Service to eliminate fraudulent leads and enhance ad efficiency.

Learn More >

Spider AF ensures regional compliance

Spider AF ensures your data is processed and stored locally.
We manage customer data securely in region-specific data centers to meet local compliance and security standards.

What Fake Lead Protection Can Do

Data Screening

Screen form inputs in real time to identify fake leads.

Automatic Filtering

Instantly block fake leads before they enter your system.

CRM Integration

Reflect accurate lead data in real time across your CRM.

Ad Optimization

Boost targeting precision with clean, trustworthy data.

How to Get Started with
Spider AF FLP Protection

Once you register, our team will support you every step of the way
—so you can get started with confidence.

Create an Account

Create your free account using the form on this page.

Add the Spider AF Tag to Your Site

After you complete registration, our support team will contact you directly.

Start Your Free Trial

Once the tag is added, your trial will automatically start. You’ll receive your ad fraud results in 10 to 14 days.

Activate Blocking

Upgrading to a paid plan enables full ad fraud blocking.

Start Your Free Trial

Frequently Asked Questions

2026 Ad Fraud White Paper

Spider AF analyzed more than 4 billion ad clicks and found that the average ad fraud rate reached 5.58% in the first half of 2026, up from 4.32% in 2025. Estimated losses totaled approximately JPY 100 billion in the first half alone.If this rate continues throughout 2026, annual losses could reach approximately JPY 200 billion for the first time in Spider Labs’ measurement history. Among bot-related IVT, sophisticated bots accounted for 64.4%, while 71% of losses recorded on MFA sites came through AI-optimized campaigns.

The report highlights the rise of sophisticated bots, risks associated with AI-optimized advertising, and key areas advertisers should monitor, supported by the latest data and case studies.

Access latest Report for Free