From Address Verification and Lead Scoring to Email Validation, get the details you’ve been missing about your customers.

Using our lead validation API for developers allows you to improve and standardize contact information at the point of entry. Our lead validation and contact verification APIs instantly compare user-provided data with certified address and phone databases to ensure accuracy and deliverability. With a contact verification API, it becomes possible to instantly correct and append contact data, detect bogus names, perform reverse phone and address lookups, and ensure deliverability.

Our address validation APIs for developers instantly verify addresses across the United States and Canada. Choose from several address validation and geocode APIs. Whether you need to extract latitude and longitude coordinates for addresses, extract detailed demographic information, cross-reference addresses against the National Change of Address database, verify address deliverability, or would like a comprehensive address validation API.

Instantly validate email addresses, and gain rich demographic insights with real-time email validation APIs. Several email validation APIs for developers are available. Our email address verification API validates email addresses at the point of entry, instantly correcting typos, syntax errors, and common domain misspellings while simultaneously warning you of potential data quality issues.

Append phone numbers to existing customer records, find addresses with reverse phone lookup, and validate phone numbers in an instant with real-time phone APIs. Our phone number reverse lookup API provides accurate contact information associated with a given telephone number such as contact name and address, line type, and provider name and location.

Calculate sales tax for eCommerce orders, ensure tax compliance, and validate credit card metadata with sales tax software and BIN validation tools for developers.

Our real-time, real-time sales tax API instantly calculates sales and use tax for addresses in the United States and Canada. Sales tax verification takes place at the street address level, ensuring the highest level of accuracy possible.

Fight fraud, verify names and IP addresses, remove bogus contact data, and mine and append demographic data to new and existing contacts with real-time demographic data APIs for developers.

IP address validation identifies the precise location of any given IP address, allowing you to instantly flag data associated with suspicious IP addresses, anonymous IP addresses, and high-risk IP addresses.