Best Address Verification API Products in 2025

The Standard in Global Address Verification.

Key Loqate features:

Global Coverage Accuracy Data Enrichment Easy Integration

Preferred Patron is the top Customer Loyalty Software Program for businesses in any industry of any size.

Key Preferred Patron features:

Marketing SMS Text Messaging Email Marketing Digital Rewards Management

Visit website paid $149.0 / Monthly (Small Biz Edition - White labeled (5,000 Active Member Limit))

Fetchify is the new name for Crafty Clicks - we offer global address, phone, email and bank account validation integrations for most e-commerce and CRM platforms.

Key Fetchify features:

Address Autocomplete Postcode Lookup Email Validation Phone Number Validation

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.

Key Smarty features:

Affordability Flexible Plans No Credit Check Unlimited Calls and Texts

Open Source freemium

Addressy is address verification software that captures and verifies addresses on websites.

Key Addressy features:

Accurate Address Verification Ease of Integration Global Coverage User-Friendly Interface

Lob's address verification API enables companies to validate and standardize mailing addresses to ensure the mail reaches their customers.

Key Lob Address Verification API features:

Accuracy Ease of Integration Real-Time Processing Global Coverage

Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).

Key Melissa Data Quality features:

Comprehensive Data Quality Solutions Global Reach Integration Capabilities Scalability

Experian provides Address Verification API for accurate, complete USPS addresses with minimal data entry.

Key Experian Address Verification API features:

Accuracy Global Coverage Integration Ease Improved Data Quality

We help businesses improve UX and data quality with a cutting edge address validation service.

Key Ideal postcodes features:

Postcode Lookup Address Autocomplete Address Geolocation UPRN Lookup

Free Trial

Addressify is an API that allows developers to implement address verification, validation and autocomplete for Australia in their apps.

Key Addressify features:

Easily Integrable API Australian Address Focus Real-time Address Verification User-Friendly Documentation

A simple API for finding UK postal addresses.

Key getAddress.io features:

Comprehensive Address Database Easy Integration Cost-Effective Postal Code Lookup

UK Postcode Address Lookup API - Maximise E-Commerce Checkouts, Increase Conversions, Reduce Data Entry & Improve Accuracy.

Key Primo Postcodes features:

Comprehensive Data Coverage Easy Integration Cost-Effective Frequent Updates

freemium

Build smarter location experiences with our fast, accurate & affordable geocoding solutions.

Key Geocode Earth features:

Address Autocomplete Places Autocomplete Reverse Geocoding Structured Geocoding

Open Source paid Free Trial $100.0 / Monthly

Start enjoying accurate address data, all the time. .

freemium