Real Contact Data Assessment

Real Contact Data Assessment—the ultimate free tool for fast and reliable lead assessment. Easily upload up to 10,000 records in a single batch, and we’ll handle the verification for free.

Powered by our advanced Real Contact API, this tool summarizes your contact data into aggregate statistics to understand the health of your contact or lead data and compares how your data is doing compared to your peers.

Trestle is trusted by leading enterprise companies
serving 2B+ queries annually in the United States.

How It Works

Submit your data file in a CSV format. Please upload both phone numbers and names.

We’ll process your data and send you an email with your aggregated report.

Download your results and share!

Features

Free Verification

Free verification for up to 10,000 records. Upload your .csv file and get a comprehensive report at no cost.

No sign up required

No need to make an account to get your results. 

Detailed Reporting

Receive a clear, easy-to-read aggregated report via email with the breakdowns on lead quality and comparisons to your peers.

Accurate Results

Powered by our Real Contact API for top-tier accuracy, ensuring you have an accurate assessment of your data’s health.

Lead Grading System

Automatically categorize your leads based on quality:

High-quality, verified leads ready for engagement.

Medium-quality leads that may require further nurturing.

Low-quality leads, helping you prioritize where to focus your efforts.

Privacy First

Your data will be immediately deleted after the lead assessment is processed. For more details, please review our Terms of Service.