Commerce · alternatives · 2026

24 alternatives to Address Validation iO

Validate shipping addresses. Prevent failed deliveries.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1RA
   REST API for Global Address Verification▲80

   Automate and personalize direct mail at scale while our nationwide print network speeds delivery, controls postage costs, and keeps every send compliant.

   2013 · lob.com · its alternatives →

2. 2
   Free Email Verifier▲202

   The first free and accurate email verification service

   2020 · gmass.co · its alternatives →

3. 3
   Ultimate PO Box Blocker for Shopify▲97

   Block PO Box addresses in real-time at Shopify checkout

   2024 · apps.shopify.com · its alternatives →

4. 4
   Proofy▲181

   Quickly validate and verify your email lists.

   2016 · proofy.io · its alternatives →

5. 5
   Email Verify API▲92

   Simple email validation API for a $39 lifetime license

   2021 · cloudlyn.com · its alternatives →

6. 6
   Lob▲106

   Programmatically send physical mail and verify addresses

   2013 · lob.com · its alternatives →

7. 7
   SmartEmailCheck▲9

   Smarter Email Validation—Built for Modern Apps.

   Nov 2025 · smartemailcheck.com · its alternatives →

8. 8
   Address Identify▲12

   Address Intelligence to boost delivery rates in India

   2024 · business.futwork.com · its alternatives →

9. 9
   Checker▲124

   Detect fake signups in under 200ms with an easy-to-use API

   2025 · its alternatives →

10. 10
    Briteverify▲117

    Validate & verify your email addresses before you send.

    2015 · briteverify.com · its alternatives →

11. 11
    Email deliverability validator▲35

    Guarding your pathway to inboxes

    2024 · downnotifier.com · its alternatives →

12. 12
    Bulk Email Verifier & Checker▲115

    The top tool for checking mail address authenticity

    2023 · email-verifier.convertinsight.com · its alternatives →

13. 13
    emailstuff.io▲14

    Reliable email validation for clean lists and deliverability

    2025 · emailstuff.io · its alternatives →

14. 14
    Shufti – Address Verification▲5

    AI-powered global address verification in seconds.

    2019 · shuftipro.com · its alternatives →

15. 15
    Deep Email Validator▲51

    Validates regex, typos, disposable, dns and smtp. Contribute to mfbx9da4/deep-email-validator development by creating an account on GitHub.

    2020 · github.com · its alternatives →

16. 16
    Mailerio▲30

    Keep your lists clean with email validation tool

    2025 · mailerio.com · its alternatives →

17. 17
    Email Validator API ▲7

    It tells you if a Email is valid or not

    2025 · thirsty-melisse-hardcode-c2fce731.koyeb.app · its alternatives →

18. 18
    Bulk Email Verifier▲78

    Validates email addresses, checks deliverability

    2022 · outscraper.com · its alternatives →

19. 19
    MailSentry.io▲4

    Email verifier, remove invalid, temp, and unsafe address.

    2024 · mailsentry.io · its alternatives →

20. 20
    AddressVerify▲3

    Residential Address Verification API for Lead Generators

    Dec 2025 · addressverify.io · its alternatives →

21. 21
    Verisend.io▲6

    Verify email addresses in real-time with 99% accuracy

    Nov 2025 · its alternatives →

22. 22
    MailCheck▲49

    Stop Free Trial Abuse with Advanced Email Verification

    2025 · mail-check.tech · its alternatives →

23. 23
    Amber.io▲61

    An API for placing orders with online retailers

    2014 · amber.io · its alternatives →

24. 24
    Weblegit Email Validation Service▲72

    A real customer starts with a real email

    2017 · weblegit.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →