https://wpusermanager.com/addons/user-verification/
Mar 16, 2023 - Send a verification link via email upon registration or manually approve users before they can login through registration moderation.
wordpressregistrationverificationpluginwp
https://www.twilio.com/en-us/use-cases/user-verification-identity
Protect customer accounts and transactions from fraud with seamless two-factor authentication and mobile identity signals.
user verificationmobileidentitysignalstwilio
https://docs.kinde.com/authenticate/about-auth/identity-and-verification/
Understanding how user identity and verification works in Kinde, including identity types, trusted providers, and verification processes.
user identityverificationkindedocs
https://www.twilio.com/en-us/use-cases/user-verification-identity
Protect customer accounts and transactions from fraud with seamless two-factor authentication and mobile identity signals.
user verificationmobileidentitysignalstwilio