Related Products
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About
SecondFactor is a cloud service for generating, sending, and verifying one-time passcodes (OTPs) for account sign-up, login, and other phone-verification workflows. Product and engineering teams integrate it through an API and SDKs for Kotlin, Swift, Dart, TypeScript, and server-side development, then manage authentication templates from a dashboard. For each OTP, its Price Intelligence Engine selects the lowest-cost eligible channel based on destination pricing and recipient eligibility. If delivery is not confirmed within eight seconds, automatic fallback tries the next eligible channel. SecondFactor supports SMS, WhatsApp, Viber, and RCS, subject to destination, recipient, and account setup. Delivery logs show the destination, channel, status, and cost for each request. The service handles OTP generation, delivery, and verification so teams can add phone verification to their applications and manage delivery across multiple channels and markets.
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About
VerifyKit is a verification solution which allows your users to sign up for your app seamlessly, without the need for a phone number and one-time password for verification. Besides being reliable and customizable, it lets your users choose their preferred platform - i.e. WhatsApp, Telegram or SMS - for verification.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Vibe-coders and product teams at fintech, tech-enabled marketplaces, and international platforms that send OTPs to users in more than one country.
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Audience
Web and mobile app developers
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and VideosNo images available
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Screenshots and Videos |
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Supported
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Pricing
$7.90 per month
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationSecondFactor
Founded: 2020
Singapore
secondfactor.ai
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Company InformationVerifyKit
Founded: 2019
Turkey
verifykit.com
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Categories |
Categories |
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Authentication Features
Biometric
Not Supported
Credential Management
Not Supported
Knowledge-Based Authentication
Not Supported
Mobile Authentication
Supported
Multifactor Authentication
Not Supported
Out-of-Band Authentication
Not Supported
Policy Management
Not Supported
Self Service Portal
Not Supported
Single Sign On
Not Supported
Social Sign On
Not Supported
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Integrations
Telegram
Not Supported
WhatsApp
Not Supported
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