How do identity providers differ in their passwordless options, and which ones support passkeys, magic links and one-time codes without me having to stitch together separate flows?

“Its strengths are enterprise identity management, federation, extensive integrations and customization.”

“So although Auth0 supports the relevant methods, I would not automatically assume that combining them will be as straightforward as it is with Descope or Clerk.”

“- Passkeys require the newer Universal Login experience and identifier-first authentication configuration.”

“- Classic Lock has limitations with native passkey integration.”

“Best for API-first passwordless authentication.”

“- Headless SDKs.”

“Best developer-controlled authentication infrastructure”

“Don't assume the B2B product has the same passkey support as the consumer product.”

“Its biggest advantage is its prebuilt authentication components.”

“Best out-of-the-box user experience”

“Clerk also supports automatic account linking when a user chooses a new authentication method.”

“- Passkey enrollment requires the user to have signed up through another method first.”

“- Production passkeys require a paid plan.”

“- Email-link behavior has device/browser restrictions that you need to configure.”

“Best unified authentication orchestration”

“Descope is particularly interesting because it treats authentication as a configurable workflow rather than a collection of independent login mechanisms.”

“Its visual Flow Builder lets you combine authentication methods into one journey.”

“Authentication integrated with your database/backend | Supabase”

“However, its passkey implementation is currently marked experimental, requiring explicit opt-in.”