Dev tools · alternatives · 2026

24 alternatives to CallerAPI

☎️ Phone identification and validation API

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. CallerAPI launched in 2024; newer entries below may have overtaken it.

1. 1AR
   ApproveAPI – Real-Time user approvals via email, SMS, and push▲183

   2019 · approveapi.com · its alternatives →

2. 2
   OpenPhone API▲422

   The phone system for teams, now integrated with your stack

   2024 · quo.com · its alternatives →

3. 3
   Listen▲413

   A smart phone number

   2016 · its alternatives →

4. 4
   Callsi AI Phone Agents▲67

   Human-like AI phone agents for businesses.

   2025 · getcallsi.in · its alternatives →

5. 5
   Caller ID & Call Blocker Free▲5

   Caller id, block spam calls & SMS, fake call

   2016 · play.google.com · its alternatives →

6. 6
   Livecaller▲214

   Caller ID that works. Now for iOS.

   2025 · livecallerid.com · its alternatives →

7. 7
   PhoneValidation.app▲6

   Phone verificationValidate phone numbers instantly

   2025 · phonevalidation.app · its alternatives →

8. 8
   Dasha Assistant▲154

   Stop every spam call, no matter who is calling

   2020 · dasha.ai · its alternatives →

9. 9
   Phonestat▲64

   Make every call count. A tool for call centers.

   2019 · phonestat.com · its alternatives →

10. 10
    Nextcaller▲80

    Advanced caller ID & fraud API support for businesses

    2015 · its alternatives →

11. 11
    Caller Id - Take right call▲14

    Take control of all call

    2025 · play.google.com · its alternatives →

12. 12
    Truecaller Assistant - Call Screening▲146

    Let your assistant answer for you

    2022 · truecaller.com · its alternatives →

13. 13CS
    CallStop – Superhuman for your phone number▲91

    Robocalls and unwanted calls are one of the biggest hassles these days. Over 50% of phone traffic is spam. I'm the founder of CallStop: https://apps.apple.com/us/app/callstop/id1455892856 CallStop allows you to: - Block 100% of robocalls on your current number, using your contacts as a whitelist - Effortlessly email call invites to an any email (that can be joined in one tap, the PIN is embedded), where the recipient can only call you starting 5 minutes before the meeting start and up until 5 minutes after the meeting end - Pause call filtering and have it…

    2020 · its alternatives →

14. 14
    Caller ID and Caller Block▲2

    Android app that blocks scam calls and show caller id

    2024 · play.google.com · its alternatives →

15. 15
    Cally▲3

    AI-powered caller ID & spam blocker

    Jun 2026 · play.google.com · its alternatives →

16. 16
    Numverify▲81

    Global phone number validation and lookup API

    2019 · numverify.com · its alternatives →

17. 17
    Unknown Calls & Caller Name▲3

    caller, call, caller name, unknown call,

    2019 · play.google.com · its alternatives →

18. 18
    Callergy▲74

    Digital allergy calendars customized for your city. 📅 👌

    2018 · dloweplaybook.com · its alternatives →

19. 19
    Numverify API▲9

    Numverify api | phone number validation & phone lookup api

    2024 · numverify.com · its alternatives →

20. 20
    ApproveAPI▲14

    Real-time user approvals via email, SMS, and mobile push

    2019 · approveapi.com · its alternatives →

21. 21
    Caller ID : True Number Search▲6

    Identify unknown calls & spam

    Nov 2025 · apps.apple.com · its alternatives →

22. 22
    Whose Number Is This?▲10

    Reverse phone lookup made simple and fast

    2025 · whonumberisthis.com · its alternatives →

23. 23
    hone Verification API▲1

    Verify phone numbers get country operator and type instantly

    Jun 2026 · rapidapi.com · its alternatives →

24. 24CS
    Call Screening app that ends robocalls forever – CallHero▲10

    2019 · getcallhero.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 →