Best Address Verification API Products in 2025

The Standard in Global Address Verification.

Key Loqate features:

Global Coverage Accuracy Data Enrichment Easy Integration

EcomIQX scores every product in your catalog on content health, keyword coverage and AI search visibility, then rewrites the weak ones in your brand voice.

Key EcomIQX features:

Free Catalog Audit Catalog Health Scoring AI Content Enrichment AI Visibility Tracking

Try for free freemium

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

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

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

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

Transform your engagement efforts by improving and maintaining patient and member data.

Key LexisNexis MemberPoint features:

Comprehensive Data Advanced Analytics Compliance Support Integration Capabilities

Intelligent address autocomplete for any <input>.

Key Algolia Places features:

Ease of Integration High Performance Global Coverage Autocomplete Feature

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

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

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

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 / Monthly

A simple API for finding UK postal addresses.

Key getAddress.io features:

Comprehensive Address Database Easy Integration Cost-Effective Postal Code Lookup

Value-Based Reimbursement.

Key iClinic features:

Comprehensive Features User-Friendly Interface Customizable Templates Integration Capabilities