Smarty Alternatives (January 2026)

Smarty

USPS & International Address Verification - Smarty

https://smart.com/

Address Verification for USPS & International Addresses. Try our easy-to-use APIs, list processing tools and more.

4.6/5

34,834+ reviews

Reviewed on:

G2
Capterra
Trustpilot
Trustradius
Getapp
Gartner
Softwareadvice
Facebook
Shopify
Producthunt
1.
USPS & International Address Verification - Smarty
http://smart
.com/

Address Verification for USPS & International Addresses. Try our easy-to-use APIs, list processing tools and more.

2.
Address Validation API | Address Verification API Services - USPS API - PostGrid™
https://www.postgri
.com/address-verification-api/

Verify/Validate Addresses using PostGrid’s CASS (USPS) and SERP (Canada Post) certified Address validation and verification API and services.

3.
Address Validator: Postal Address Validation & Address Verification Service
https://www.byteplan
.com/address-validator/

With our free postal address verification and international address validation service you can easily verify if any USPS or international postal address is valid and deliverable.

4.
Address Verification - Postal Address Validation | Melissa
https://www.meliss
.com/address-verification/

Melissa’s address verification systems standardize your US, Canada and International postal addresses – CASS and SERP Certified.

5.
Address Lookup, Rooftop Geo, Bank, Mobile & Email Validation - Postcoder
https://postcode
.com/

Postcoder is the API for address lookup & form validation. Improve your conversion rates and capture better quality customer data.

6.
Address Verification, Data Validation & Geocoding Software | Loqate, a GBG solution
https://www.loqat
.com/

Improve data quality by capturing correct UK addresses. Boost conversions and user experience with postcode address verification and geocoding technology.

7.
Email Address Verification Service | Kickbox
https://kickbo
.com/

Verify your email list in minutes, or integrate real-time email verification into your app with our API. Over 18 billion emails verified. Get started for free.

8.
Email verification for marketers and fraud fighters | Email Hippo
https://www.emailhipp
.com/

Reduce bounce rates, stop fake sign-ups and combat fraud with award-winning email verification solutions. Real-time API or batch file options available.

9.
Data Verification Software for Businesses | Fetchify
https://www.fetchif
.com/

Customer Data: Verified · Fast, accurate and intuitive data verification software to help businesses work smarter. · Address Auto-Complete · UK Postcode Lookup.