Best Address Verification Software with a Free Trial

Sumsub's address verification is one signal within a unified AI-powered trust infrastructure platform, working alongside identity verification, KYC, and risk management to build a complete picture of every customer. Rather than checking an address in isolation, Sumsub connects it to ongoing monitoring and unified decisioning, so businesses catch mismatches and fraud patterns others would miss. This supports compliance and onboarding across more than 220 countries and territories, adapting to new markets and regulatory requirements through configuration. With Summy AI and AI-powered decisioning at its core, teams verify addresses quickly while keeping operations lean. Recognized as a Leader by Gartner, Forrester, IDC, Liminal, and KuppingerCole, Sumsub is trusted by more than 4,000 clients globally for accurate, scalable verification.

Powerful, all-in-one identity verification, fraud prevention, and compliance platform. iDenfy protects startups, financial institutions, gambling, streaming, ridesharing, and other digital services from identity fraud using a three-layer identity verification process. The process protects businesses from the most threatening forms of identity fraud. iDenfy also provides services for business verification, proxy detection, fraud scoring, AML screening and monitoring, NFC verification, and other fraud prevention services. Founded before AML, fraud, and GDPR regulations were put into place, iDenfy pioneered identity verification. The company covers users' ID verification process in full, combining AI-based biometric recognition and manual human checks to ensure they are real users. Save up to 40% of identity verification costs using our ID verification software. Pay per successful ID verification and save up to 40% of identity verification services expenses.

Smarty leads the way in location data intelligence, offering a comprehensive suite of address validation APIs for USPS, non-postal, and international addresses. Our address autocomplete API simplifies data entry, and our geocoding and reverse geocoding APIs deliver hyper-accurate results at lightning speed. From New York to Jakarta, Smarty covers the globe, standardizing, validating, and enriching address data. Our fully documented APIs and unlimited tech support make us the top choice for USPS and international address validation solutions. Whether you're in Tokyo or Toronto, our comprehensive documentation and exceptional customer support make it easy to start validating addresses in minutes. With 250 free lookups per month, no credit card required, and a full demo available, Smarty has you covered. From address validation to list processing, we've got every detail you need. Our service ensures security with 24-hour monitoring, encryption, and hashed data, delivering an average sub-3

ComplyCube is a market-leading identity verification platform for automating and simplifying Identity Verification (IDV), Anti-Money Laundering (AML), and Know Your Customer (KYC) compliance, with customers across government, legal, telecoms, financial services, healthcare, e-commerce, cryptocurrency, travel, and more. It offers the most complete, flexible, and cost-effective AML/KYC tools to help you build trust in your business - Whether you’re a startup or a multinational enterprise, ComplyCube will have a solution tailored to your needs. ComplyCube boasts the fastest omnichannel integration turnaround in the market with Low/No-Code solutions, API, Mobile & Web SDKs, Client Libraries, and CRM Integrations.

Melissa’s Web APIs provide a comprehensive solution for global data verification, cleansing, and enrichment to maintain reliable data. Verify, standardize and cleanse global identities, addresses, phones & emails, powered by AI-driven reference data. Our flexible APIs are designed for modern interfaces, including REST, JSON, and XML are easily accessible through our Developer Portal, where you can build, test, and explore integrations. Enhance your data with geographic, demographic, and firmographic insights, along with U.S. property data for advanced enrichment. Melissa supports seamless integration with popular platforms such as Salesforce, Shopify, and more, making data management and governance simple and efficient. Whether you’re focused on data management, data validation, or leveraging our APIs into your website or mobile applications, Melissa helps you unlock the full potential of your data. Get started with 1,000 complimentary credits! All you need is a Melissa account

Shufti is a Glocal Compliance Platform managing the full compliance lifecycle, onboarding, authentication, monitoring, and remediation, for every industry, region, and use case. Every model is built in-house (no aggregators, no third-party engines), deployable on SaaS, private cloud, or on-premise as data residency demands. The first European provider certified at iBeta PAD Level 3, Shufti is SOC 2 Type II, ISO 27001, PCI DSS, and GDPR compliant, trusted by 2,000+ organisations and a Leader in G2's 2026 Identity Verification and AML Grid Reports.

Postcoder is an API from Allies Computing that gives developers a single endpoint for verifying and validating customer contact data at the point of entry. Used across sectors from healthcare to retail, it's built to drop into checkout, onboarding, and account creation flows with minimal friction. What's included: Address lookup – Postcode, partial address, or coordinate-based search across Royal Mail PAF, Ordnance Survey AddressBase, and 249 countries worldwide. Bank validation – Real-time sort code and account number verification, with branch data and direct debit eligibility returned in the response. Email validation – Domain and formatting checks with disposable address detection. Mobile validation – Live network status checks across 200+ countries. OTP verification – SMS-based one-time password delivery. Clear documentation, multi-language sample code, and a straightforward REST structure mean integration is quick. 30 day free trial with no credit card required.

One in five addresses contains errors that can result in late or undeliverable mail and shipments. Our address validation US service verifies and corrects addresses to ZIP+4, ensuring addresses are valid and deliverable, avoiding costly shipping and customer service issues. Encompassing multiple authoritative sources, our validation engine leverages over 160 million USPS addresses, as well as an additional 15 million non-postal addresses to validate and correct US mailing and shipping addresses with unparalleled precision. Our engine surpasses the stringent requirements of the USPS, exceeding their CASS (Coding Accuracy Support System) accuracy standards. Our software focuses on address precision, significantly mitigating costs associated with undeliverable, lost, or returned mail. Whether shipping products or mailing invoices, Service Objects Address Validation ensures delivery while avoiding costly address correction fees from the USPS and third-party shippers.

Our UK address validation and postcode lookup tools are the most comprehensive available, providing access to highly accurate data, including geolocations and UPRN. We offer a user-friendly integration process with transparent documentation, open-source libraries, and live support. We cater to businesses of all sizes, ranging from small startups to public and FTSE 100 organizations, delivering fast, cost-effective, and well-supported APIs to enable postcode lookup, address search, and address autocomplete. Our services are GDPR compliant, ensuring the protection of your customer data within our UK and EU data centers. With minimal code, you can easily integrate address validation into your eCommerce site, CRM, or any other platform. Our JavaScript libraries allow for quick implementation of address finder and postcode lookup.

Verify, standardize and correct postal addresses from over 240 countries worldwide. Whether you want to clean up your customer address in your backend database or verify addresses in real-time directly on your frontend, address validator is exactly the right solution for you. Validate email addresses without sending email, improve sender reputation, deliverability and reduce bounce rates with Byteplant's email validator. With our online API you can validate email addresses right at the point of entry. This allows your visitors to correct errors instantly, and only valid email addresses will be accepted. Email is the main point of contact between your business and the customer. Byteplant's email validator will help you reach your customers and keep your email sender reputation intact. We offer full end-to-end email verification solutions for all your email marketing needs. Our email validation services will improve your sender reputation and delivery rates.

Address verification powered by the most accurate global location data. Deliver exceptional experiences to every customer, wherever they are located. The easiest way for a person to enter a location through single-line address capture on any device or platform. Faster, accurate completion of digital journeys with type-ahead, predictive technology. The most effective way to update and enhance address data, enabling you to achieve the highest levels of quality and accuracy. The easiest way for a person to enter a location through single-line address capture on any device or platform. Faster, accurate completion of digital journeys with type-ahead, predictive technology. The most effective way to update and enhance address data, enabling you to achieve the highest levels of quality and accuracy.

Convert good folks to good customers faster and build trust. Identity verification made simple. 13,000+ ID documents supported in 200+ countries and territories. Up to 50 AI-based Security Checks on each ID Document in seconds. Bank-Grade certified Biometrics Checks. Unparalleled Emerging Markets expertise. Dramatically accelerate customer conversion and bring down abandonment rates with IDWise’s fully automated, AI-driven, highly accurate and user-friendly identity verification solution. At IDWise we love to keep things simple. Everything from our simple all-in pricing plans to our seamless integration is tailored to help you serve your customers quickly and reliably with minimal friction, while focusing your precious resources at what you do best – running your business. We pride ourselves in our long-term partnership approach, recognizing that no two companies are the same when it comes to finding the right mix between speed, user experience, fraud prevention and compliance.

We provide an address lookup solution to search and verify addresses on an online form. We provide an API and various integrations to implement address verification. Address lookup autocompletes in real time as a user types, speeding up form fill and improving ux. Our data is sourced from USPS, providing the most complete, accurate and up-to-date address database.

We help our customers verify their users’ identity with accuracy and efficiency when their users perform an action or make transactions. “Cause for Pause” is our defining motto because that’s what matters most to our customers. By stopping the automation to assess the individual better, our customers prevent fake identities, bots, scams, bad actors, and, ultimately, fraud from their platforms. We offer scores on all US adults (270 million+) across an array of use-cases relating to synthetic identity and e-commerce fraud. - Top-Level Identity Score - Phone Verification - Email Verification - Address Verification - IP Verification - PII Combinatory Linkages 1. Scores are trained against known outcomes of fake identities 2. Highly advanced data-science and machine-learning techniques utilized 3. Scores are built on top of our market-leading identity graph consisting of online and offline consumer data, historical data, and public filings

PAV (Postal Address Verification) is a CASS Certified™ API that allows you to standardize, correct, and validate U.S. and Canadian addresses in one step. Save time, money, and resources by verifying that addresses are deliverable before mailings or packages are sent out. PAV helps businesses ensure data quality for U.S. and Canadian customers. When verifying a Canadian address, the API will only verify the city, state, and ZIP Code. The province name must be abbreviated in order for PAV to append a missing ZIP Code to a verified Canadian address. CDYNE offers trial license keys for all web services so that you may test the APIs for free. Postal Address Verification (PAV) is an API (Application Programming Interface). The API allows a business's IT department to configure the Web Service on a web page, application, or database with a few lines of code. There is no software to buy or install, no complex system to learn, and the service's data is automatically updated each month.