Best Address API Products in 2026

The Standard in Global Address Verification.

Key Loqate features:

Global Coverage Accuracy Data Enrichment Easy Integration

Kechie Inventory Management.

Key Kechie features:

Cloud-Based Solution Integrated Modules User-Friendly Interface Customizable

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Fetchify delivers fast, accurate address, email, phone and bank validation tools that help businesses capture clean, verified customer data, reduce failed deliveries and improve checkout experiences worldwide.

Key Fetchify features:

Global Address Auto-Complete Postcode Lookup Email Validation Phone Number Validation

Open Source paid Free Trial £25 / Monthly

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

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

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

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

Start enjoying accurate address data, all the time. .

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

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

An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.

Key Mapbox features:

Customization User Experience Data Integration Developer Tools

freemium

Google Places API is a best-in-class platform that offers a complete information about multiple places using HTTP requests.

Key Google Places API features:

Extensive Database Comprehensive Details Versatile Search Options Integrated with Google Maps

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

A simple API for finding UK postal addresses.

Key getAddress.io features:

Comprehensive Address Database Easy Integration Cost-Effective Postal Code Lookup