AddressVerify

AddressVerify is the game-changing API that's setting a new standard for data accuracy in marketing and lead generation. It's not just another address checker; it's the only real-time API laser-focused on verifying U.S. residential addresses. For marketers, lead gen companies, home service advertisers, and direct mailers tired of wasting budget on fake leads and vacant lots, this tool is a revelation. It goes beyond simple validation to instantly filter out commercial properties, PO boxes, and invalid entries, while correcting formatting errors and standardizing your data on the fly. But the real magic lies in its powerful enrichment: AddressVerify classifies the property type into seven distinct categories and provides an estimated current home value. This means you can finally move from generic blasts to hyper-targeted, data-driven campaigns. Imagine segmenting your audience by home value or tailoring your messaging for condo owners versus single-family homeowners. That's the power of AddressVerify—transforming raw leads into qualified, actionable insights that skyrocket ROI, boost engagement, and make every marketing dollar count. Join the thousands of businesses that have already made the switch and are witnessing a dramatic improvement in lead quality and campaign performance.

Real-Time Residential Verification

This core feature validates addresses in milliseconds, performing a crucial dual function. First, it confirms the address exists and is deliverable. Second, and most importantly, it filters out non-residential addresses like businesses, vacant lots, and PO boxes. This instant filtering ensures your lists are packed only with genuine, reachable households, drastically improving lead quality from the very first API call and eliminating wasted effort on dead ends.

Property Type Classification

AddressVerify doesn't just tell you if an address is residential; it tells you what kind of home it is. The API intelligently classifies properties into seven distinct types: Single-Family, Multi-Family, Condo, Townhouse, Apartment, Manufactured Home, and Lot. This granular insight allows for unprecedented audience segmentation, enabling marketers to craft personalized messages and offers tailored to specific homeowner demographics and needs for massively improved campaign relevance.

Estimated Home Value Data

Unlock the power of value-based targeting. AddressVerify provides an estimated current market value for each verified residential property. This allows businesses to segment audiences by property value, prioritize high-value leads for immediate follow-up, tailor service tiers or product offerings, and allocate sales resources more effectively, ensuring your highest-touch strategies are directed toward the most valuable prospects.

Address Correction & Standardization

Clean, consistent data is the foundation of any successful campaign. This feature automatically corrects common typos, missing suite numbers, and incorrect abbreviations (e.g., changing "St" to "Street"). It then standardizes every address into a uniform, postal-approved format. This ensures maximum deliverability for direct mail, improves match rates in your CRM, and creates a single source of truth for all your customer data.

For Lead Generation Companies

Lead gen platforms use AddressVerify to scrub and enrich their data in real-time before delivering it to clients. By filtering out fake and non-residential entries and appending property type and value, they dramatically increase the conversion rate of their leads. This builds immense trust with clients, justifies premium pricing, and establishes their service as a top-tier, high-quality source in a competitive market.

For Targeted Direct Mail Campaigns

Direct mailers leverage the API to purge mailing lists of undeliverable and commercial addresses, ensuring every postcard, catalog, or flyer is sent to a real home. By using the property type and value data, they can create hyper-personalized mail pieces (e.g., different offers for apartment renters vs. single-family homeowners), which significantly boosts open rates, response rates, and overall campaign ROI while reducing waste.

For Home Services Marketing

Roofing, solar, landscaping, and remodeling companies use AddressVerify to qualify leads instantly. They can filter for specific property types (e.g., targeting only single-family homes for a siding project) and prioritize outreach based on estimated home value. This means their sales teams spend time on high-intent, high-value prospects likely to afford their services, optimizing sales efficiency and close rates.

For CRM and Data Enrichment

Businesses integrate AddressVerify into their sign-up forms, checkout processes, and CRM systems to validate and enrich contact records in real-time. This prevents bad data from entering the system, automatically appends valuable property insights to customer profiles, and enables more sophisticated segmentation for email marketing and customer lifecycle campaigns, all without manual research.

How accurate is the home value estimate?

The estimated home value provided by AddressVerify is a current market valuation derived from trusted property data sources and algorithms. It is designed for segmentation and prioritization purposes within marketing campaigns. While highly reliable for identifying value tiers (e.g., high-value vs. mid-range properties), it should not be used as a formal appraisal for real estate transactions or lending.

What counts as a non-residential address that gets filtered?

AddressVerify is specifically designed to identify and filter out addresses that are not primary residential dwellings. This includes commercial properties (stores, offices), industrial lots, vacant land, PO Boxes, and in some cases, large multi-unit apartment buildings that are classified differently. The goal is to ensure your marketing reaches individual households.

Is there a free trial available?

Yes! AddressVerify offers a generous free tier to get you started. You can sign up for an API key and immediately receive 100 free address verifications. This allows you to test the API's speed, accuracy, and features with your own data before committing to a paid plan, ensuring it's the perfect fit for your business needs.

How fast is the API response?

The AddressVerify API is built for real-time performance. Responses are typically returned in under 100 milliseconds. This blazing speed allows for seamless integration into live forms, instant lead scoring, and high-volume batch processing without causing delays in your user experience or operational workflows.

AddressVerify offers a transparent and scalable pricing model designed to grow with your business. It all starts with a completely free tier that includes 100 API calls per month—perfect for testing and small projects. Paid plans then offer increasing volumes of verifications at competitive per-call rates, with significant discounts for higher volumes. You can choose a monthly subscription that fits your expected usage or explore custom enterprise plans for very high-volume needs. All paid plans include access to every feature: real-time residential verification, property type classification, and estimated home value data. There are no hidden fees or feature gates; you get the full power of the API from the moment you start. Detailed pricing tiers and rates are clearly listed on the AddressVerify website's Pricing page.