Dev tools · alternatives · 2026

24 alternatives to AdAuth.com - Ads.txt API

Ads.txt API and Bulk Validation service

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. AdAuth.com - Ads.txt API launched in 2019; newer entries below may have overtaken it.

1. 1WA
   www.AdAuth.com – Combat Ad Fraud Using Ads.txt Analysis▲9

   Link: https://www.AdAuth.com * Download lists of an ad exchange's publishers * Bulk analysis of publisher's ads.txt files * Validate ad inventory reports to find unauthorized bids or purchases Feedback is welcome!

   2018 · its alternatives →

2. 2
   Proofy▲181

   Quickly validate and verify your email lists.

   2016 · proofy.io · its alternatives →

3. 3
   Validated - Taglines▲253

   Test your messaging on 20k+ customers with digital ads

   2024 · its alternatives →

4. 4
   Ads.txt Generator For Publishers▲14

   Increase your transparency in the programmatic media

   2017 · its alternatives →

5. 5
   BooleanMaths▲229

   Fix Ad targeting on Meta + Google Ads w/ better attribution

   2025 · booleanmaths.com · its alternatives →

6. 6
   Lumorrow Verify▲4

   Continuous ads.txt, app-ads.txt and sellers.json monitoring

   Jul 2026 · verify.lumorrow.com · its alternatives →

7. 7
   Prelude Verify▲479

   Verify more users for less cost with our spam-free SMS API

   2024 · prelude.so · its alternatives →

8. 8
   Manage Ads.txt▲6

   Visually create and manage your ads.txt file.

   2019 · manageadstxt.com · its alternatives →

9. 9
   Clearalist▲64

   Accurate, fast and secure email validation

   2021 · clearalist.com · its alternatives →

10. 10
    AdStage V2 and Universal Data API▲110

    The easiest way to ship ad data to all your marketing tools

    2017 · its alternatives →

11. 11
    Proofy 2.0▲199

    A bulk email verification service

    2019 · proofy.io · its alternatives →

12. 12
    Email Verify API▲92

    Simple email validation API for a $39 lifetime license

    2021 · cloudlyn.com · its alternatives →

13. 13
    ValidSheet▲103

    Validate emails in bulk inside Google Sheet using API

    2023 · victrays.com · its alternatives →

14. 14
    Legalify ADS▲139

    High quality traffic filtering platform

    2024 · its alternatives →

15. 15
    Truelist▲53

    Unlimited email validation

    2024 · truelist.io · its alternatives →

16. 16
    Adyntel▲13

    API to scrape Meta, LinkedIn, and Google Ads

    2024 · adyntel.com · its alternatives →

17. 17
    Bulk Email Validation▲80

    Clean your existing email lists with mailbox verification

    2019 · app.mailgun.com · its alternatives →

18. 18
    Email List Validation▲17

    Email Verification Service

    2024 · its alternatives →

19. 19
    VerifiedEmail▲13

    Affordable, accurate email-verification tool

    Nov 2025 · verified.email · its alternatives →

20. 20
    Bulk Email Validator▲4

    Verify email addresses. Check spam, and disposable email

    2025 · apify.com · its alternatives →

21. 21
    Mailerio▲30

    Keep your lists clean with email validation tool

    2025 · mailerio.com · its alternatives →

22. 22RT
    robots.txt as a service, check web crawl rules through an API▲17

    2019 · robotstxt.io · its alternatives →

23. 23
    CatMRR: Verified Apps MRRs and Listings▲10

    mobile apps, revenuecat, catmrr, mrr, verified, exit

    Nov 2025 · catmrr.com · its alternatives →

24. 24
    Redirect Validator▲17

    Bulk URL Redirect Validation Tool

    2025 · 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 →