Customer Authentication
Provider 
Founded 2020
Sells To Developer
Pricing Model —
Ownership Private

Developer-first identity platform providing APIs and SDKs for passwordless authentication, session management, B2B identity, and fraud prevention.
Stytch is an identity platform offering APIs and SDKs for authentication, account protection, and fraud prevention. Its product suite includes passwordless login, session management, B2B organization management, and risk-based access controls that developers embed directly into applications.
Acquired by Twilio in October 2025, Stytch continues to operate as a subsidiary, integrating its identity capabilities with Twilio's communications platform to deliver a combined identity-and-engagement solution.
Vonage

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Okta

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OneLogin

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Hexclave

User Infrastructure Platform
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Twilio

Verification API
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| Attribute | Customer Authentication | Communications APIs | Customer Identity and Access Management, Okta for AI Agents | OneLogin Customer Identity | User Infrastructure Platform | Verification API | |
|---|---|---|---|---|---|---|---|
| Provider | |||||||
| Founded | 2020 | 2001 | 2009 | 2009 | 2024 | 2008 | |
| Sells To | Developer | Enterprise | Enterprise, Small Business | Enterprise | Software Developers | Developer, Enterprise | |
| Pricing Model | — | — | Recurring, Software | — | Subscription | Subscription, Usage-based | |
| Ownership | Private | — | Public | Subsidiary | Open-Source | Public |
Provider 
Founded 2020
Sells To Developer
Pricing Model —
Ownership Private
Provider 
Founded 2001
Sells To Enterprise
Pricing Model —
Ownership —
Provider 
Founded 2009
Sells To Enterprise, Small Business
Pricing Model Recurring, Software
Ownership Public
Provider 
Founded 2009
Sells To Enterprise
Pricing Model —
Ownership Subsidiary
Provider 
Founded 2024
Sells To Software Developers
Pricing Model Subscription
Ownership Open-Source