Dev tools · alternatives · 2026

24 alternatives to Domain Checker API

Check all domains informations with one API.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. Domain Checker API launched in 2020; newer entries below may have overtaken it.

1. 1
   Free Domain Tool▲14

   Domain availability checker

   2025 · domainaide.com · its alternatives →

2. 2
   Domain Availability Checker▲78

   Check domain and compare prices of best registrars

   2022 · goonlinetools.com · its alternatives →

3. 3IC
   I crossed a thesaurus with a domain availability checking API▲113

   2013 · domainmasher.com · its alternatives →

4. 4
   Registered Domain Names Search▲22

   Access our comprehensive domain database through a powerful API. Check domain availability and status with simple HTTP requests.

   2017 · domainsdb.info · its alternatives →

5. 5
   DomainWatch▲352

   Domain Monitoring Made Easy

   2018 · webmaster.ninja · its alternatives →

6. 6
   Instant Domain Search▲141

   See Domain Name Search Results As You Type

   2015 · instantdomainsearch.com · its alternatives →

7. 7
   HealthCheck Bot▲75

   Simple bot helps to check all your domains every minute

   2021 · t.me · its alternatives →

8. 8
   Your Domain Bot▲295

   Telegram bot for domain monitoring

   2023 · yourdomainbot.online · its alternatives →

9. 9
   Notify.domainsfree tier, from $2/mo▲322

   Know the moment a domain opportunity appears

   Aug 2026 · notify.domains · its alternatives →

10. 10DI
    DomainWatcher.io – List of registered, expired and dropped domains▲23

    2015 · domainwatcher.io · its alternatives →

11. 11
    Fast Domain Checker▲4

    Lightning-fast domain availability checker with AI assistant

    Jul 2026 · chromewebstore.google.com · its alternatives →

12. 12
    Domain Age Checker▲121

    Discover the age of domains with precision and ease

    2023 · techcopes.com · its alternatives →

13. 13
    Domain Availability Checker | Ease Tools▲3

    Check .com, .in, .net, .org, .io, and 10+ TLDs for free.

    May 2026 · geteasetools.com · its alternatives →

14. 14
    Domain Sniffer▲6

    Improve your site SEO ranking by getting a good domain name

    2020 · its alternatives →

15. 15
    Domain Name Search▲13

    Quickly find available domain names

    2025 · apps.apple.com · its alternatives →

16. 16
    WHOIS Checker - Chrome Extension▲10

    Check WHOIS details of any website with a single click.

    2024 · hostingchecker.net · its alternatives →

17. 17
    Domain Monitor▲69

    The fastest all-in-one domain & website monitoring tool

    2022 · domain-monitor.io · its alternatives →

18. 18
    Domain Finder Plus▲93

    Programmable domain name finder

    2024 · its alternatives →

19. 19
    Domain Typer▲10

    Super easy and fast domain name checker

    2017 · domaintyper.com · its alternatives →

20. 20
    Domain Diary▲85

    Track your domains expiry dates at one place

    2021 · its alternatives →

21. 21
    Scan Domains▲16

    Your daily toolkit for everything related to domains.

    2024 · its alternatives →

22. 22MN
    My new domain search tool▲95

    2013 · shortdomainsearch.net · its alternatives →

23. 23FA
    Fast and efficient domain checking tool▲65

    2013 · instantname.me · its alternatives →

24. 24
    Is Available – CLI Domain Availability Checker▲7

    2014 · github.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 →