AddressVerify
The only API that verifies residential addresses, classifies home types, and provides estimated home values for data-driven marketing.
About
AddressVerify.io is a real-time residential address verification API designed to enhance lead quality and data accuracy for businesses. It validates addresses instantly, filters out non-residential or fake entries, corrects formatting errors, and standardizes data. Key features include: real-time validation, non-residential filtering, error correction, format standardization, classification into 7 property types (Single-Family, Multi-Family, Condo, Townhouse, Apartment, Manufactured Home, Lot), and estimated current home values. Benefits encompass targeted marketing campaigns, audience segmentation by property type or value, improved ROI through precise lead prioritization, and customized messaging for better engagement. Use cases are ideal for marketing professionals boosting campaign effectiveness, lead generation companies ensuring data accuracy, home services advertisers tailoring offers, and direct mailers increasing response rates by verifying deliverable addresses.
Key Features
Real-time Address Validation
Instantly verifies whether a submitted U.S. address is valid and deliverable, returning standardized, corrected address components.
Non-residential & Fraud Filtering
Detects and filters out PO boxes, commercial, and clearly fake or malformed addresses to improve lead quality.
Property Type Classification
Classifies addresses into seven residential property types (Single-Family, Multi-Family, Condo, Townhouse, Apartment, Manufactured Home, Lot) for precise segmentation.
Estimated Home Value
Provides an estimated current market value for residential properties to enable value-based lead prioritization and targeting.
Data Standardization & Error Correction
Automatically corrects formatting errors, normalizes address fields, and returns consistent output for downstream systems.
How to Use AddressVerify
1) Sign up and get an API key from the AddressVerify dashboard. 2) Read the API docs and choose the validation endpoint; include your API key in request headers. 3) Send address data (street, city, state, ZIP) to the validate endpoint and receive a JSON response with verification status, standardized address, property type, and estimated value. 4) Use the response to filter invalid/non-residential leads, segment by property type/value, and route high-value prospects into prioritized workflows.