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Amazon Cognito provides authentication, authorization, and user management for web and mobile apps.
Auth0 provides a comprehensive platform for authentication and authorization.
Free tier available. Paid plans start at $23/month.
Okta is an identity management service that helps companies manage and secure user authentication into modern applications.
Custom pricing based on requirements
Firebase Authentication provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app.
Free tier available, pay as you go pricing for higher usage
OneLogin is a cloud-based identity and access management (IAM) solution that enables companies to secure their applications and data. It offers single...
Subscription-based pricing
VerifyKit is a phone-number verification service for developers building mobile and web applications. It provides API-based verification flows using channels such as...
Usage-based; pricing varies by country
OTPfy is an online service for implementing one-time-password verification in user authentication flows. It is intended for developers and businesses that need...
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