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.
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OpenPhone API▲431The phone system for teams, now integrated with your stack
2024 · quo.com · its alternatives →
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Human-like AI phone agents for businesses.
Oct 2025 · getcallsi.in · its alternatives →
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- 6AR
2019 · approveapi.com · its alternatives →
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Phone verificationValidate phone numbers instantly
Oct 2025 · phonevalidation.app · its alternatives →
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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 →
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Android app that blocks scam calls and show caller id
2024 · its alternatives →
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Numverify api | phone number validation & phone lookup api
2024 · numverify.com · its alternatives →
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Identify unknown calls & spam
Nov 2025 · apps.apple.com · its alternatives →
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Reverse phone lookup made simple and fast
2025 · whonumberisthis.com · its alternatives →
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Verify phone numbers get country operator and type instantly
Jun 2026 · rapidapi.com · its alternatives →
- 23

The caller ID app also lets you block annoying spam calls
2022 · its alternatives →
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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 →