Dev tools · alternatives · 2026

24 alternatives to OTP Gateway

Reliable OTP Forwarding

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
OTP.com▲36
OTP service for product builders. 4 channels - Single API
Sep 2026 · otp.com · its alternatives →
2
OtpNinja▲80
Setup OTP API easily
2021 · otpninja.com · its alternatives →
3
OTP.io▲26
Verify users over SMS, WhatsApp and Email, Globally
2024 · otp.io · its alternatives →
4AO
Auto-OTP: automatically send and receive OTPs, end-to-end encrypted▲20
2022 · auto-otp.com · its alternatives →
5
Simple OTP▲104
Simple passwordless authentication for your website
2023 · its alternatives →
6
Forward SMS▲6
Automatic Text Message Forwarding for iPhone
2024 · forwardsms.com · its alternatives →
7
WhatsAuth▲72
Frictionless WhatsApp login & OTP for NextGen security
2023 · whatsauth.com · its alternatives →
8
GlobalOTP▲5
No more one-time password hassle!
2020 · globalotp.com · its alternatives →
9
Simple OTP 2.0▲131
Passwordless, source-code-included auth for your website
2024 · its alternatives →
10
Quickleap▲116
Domain redirecting service without hassle.
Dec 2025 · its alternatives →
11
ForwardMsg▲12
ForwardMsg is a powerful message forwarding tool that automatically syncs messages between Discord and Telegram. Whether you need Discord-to-Telegram, Telegram-to-Discord, or even Discord-to-Discord and Telegram-to-Telegram message forwarding, ForwardMsg delivers real-time, reliable performance. Ide
2025 · forwardmsg.com · its alternatives →
12
SMSPipe
Turn your phone to a reliable SMS Gateway
Apr 2026 · smspipe.pro · its alternatives →
13
auth.▲66
2FA , MFA, OTP, Secure Code for Apple devices
2021 · auth.startway.io · its alternatives →
14
Authyo Secure logins made simple▲5
Fast. Flexible. Frictionless MFA for Every App
2025 · authyo.io · its alternatives →
15
SMS to Slack streamlines receiving 2FA codes for teams who share logins▲20
SMS to Slack lets you send and receive text messages from your Slack channels. Whether for customers, vendors, or more. Get started in minutes.
2023 · smstoslack.app · its alternatives →
16
Outbound - A single events API for emails, push, sms, and voice▲59
Empower your product manager. Let them decide what the messages to your users say, when those messages are triggered, as well as how they are sent (sms, email, etc.) while you focus on building product features. They'll be able to use trusted providers like sendgrid, twilio and apple so you don't have to worry about message delivery.
2013 · outbound.io · its alternatives →
17
Text Messaging for HubSpot by Salesmsg▲68
SMS & MMS text messaging for HubSpot (certified integration)
2018 · salesmessage.com · its alternatives →
18
OTPfy▲60
Securing applications
2022 · otpfy.com · its alternatives →
19
Email forwarding for your domain – my SaaS after 10 years of failure▲17
Mailwip - fast and reliable email forwarding service for your domains. Incoming mail API for your web service. Support Rails action mailbox. Replacement for SES incoming. Built-in support for DKIM, SRS, SPF, ARC, DMARC, and more. No credit card required.
2021 · hanami.run · its alternatives →
20
OTP Share▲13
Easy OTP Sharing for Demo or Test Accounts
2024 · its alternatives →
21
WhatsApp OTP Verification▲4
Send OTPs via WhatsApp with one blazing fast, low-cost API.
Nov 2025 · rapidapi.com · its alternatives →
22
OTP-less One tap Sign in▲37
No more passwords. Fast, simple, secure.
2023 · otpless.com · its alternatives →
23
Rajdoot▲10
Your Private, Powerful, and Programmable SMS Gateway
2025 · its alternatives →
24
SMS OTPs and Notifications in Adalo▲5
Secure your apps in Adalo with SMS verification and OTPs
2022 · integrations.clicksend.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 →