Dev tools · alternatives · 2026

24 alternatives to Verify API by Telnyx

Secure apps & services with multichannel user authentication

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Verify API by Telnyx launched in 2021; newer entries below may have overtaken it.

1
Telnyx SMS API▲111
Build global text messaging right in your app
2019 · telnyx.com · its alternatives →
2
Prelude Verify▲479
Verify more users for less cost with our spam-free SMS API
2024 · prelude.so · its alternatives →
3
VerifyKit▲175
Verify your users faster and cheaper than ever
2022 · verifykit.com · its alternatives →
4
SMS Verification Service▲213
SMS-Verify.me | secure sms verification made simple
2025 · its alternatives →
5
Everify▲69
SMS verification made dead-simple, secure and cheap.
2021 · everify.dev · its alternatives →
6
Phone Number Verification for Your App Without Using SMS▲7
Validate users across SMS and preferred channels at scale with the Twilio Verify API, a turnkey, passwordless authentication solution that enables seamless and secure user onboarding, reduces fraud, and optimizes delivery rates without the heavy lifting. Twilio handles all your connectivity, channel
2018 · phoneverification.io · its alternatives →
7
Phone verification at no cost▲147
Phone verification at no cost (Deprecated). Contribute to natsu90/dial2verify-twilio development by creating an account on GitHub.
2016 · github.com · its alternatives →
8
TypingDNA Verify (2FA)▲189
Replace SMS 2FA codes with better UX, just type 4 words
2021 · typingdna.com · its alternatives →
9
Nexmo▲100
API's for SMS, voice, and phone verification
2015 · vonage.com · its alternatives →
10
ID Verify by Trueface▲169
Simplest way to verify identities online
2018 · trueface.ai · its alternatives →
11
Instant PhoneCheck API by tru.ID▲64
The stronger SIM-based alternative to passwords, SMS and 2FA
2021 · idlayr.com · its alternatives →
12
NoPass.me▲129
Open-source identity verification
2021 · nopass.me · its alternatives →
13
Mati▲184
Legally verify users with a few lines of JS
2018 · metamap.com · its alternatives →
14
Numverify▲81
Global phone number validation and lookup API
2019 · numverify.com · its alternatives →
15IM
I made a super easy way to verify users' mobile numbers using SMS▲26
2015 · digitimate.com · its alternatives →
16
OTP.com▲36
OTP service for product builders. 4 channels - Single API
Sep 2026 · otp.com · its alternatives →
17
Base Verify▲68
Making user data verification a breeze
2023 · baseverify.com · its alternatives →
18
CheckHim▲6
Verify phone numbers fast, before you send SMS
2025 · checkhim.tech · its alternatives →
19
OTP.io▲26
Verify users over SMS, WhatsApp and Email, Globally
2024 · otp.io · its alternatives →
20
Telnyx Call Control▲5
Connect & control your calls globally with custom voice apps
2019 · telnyx.com · its alternatives →
21
Verifik▲69
All you need to verify and authenticate with biometrics
2023 · verifik.co · its alternatives →
22
Verifly — SMS verification service▲6
Phone number verification in any website
2023 · verifly.one · its alternatives →
23
ApproveAPI▲14
Real-time user approvals via email, SMS, and mobile push
2019 · approveapi.com · its alternatives →
24
OtpNinja▲80
Setup OTP API easily
2021 · otpninja.com · 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 →