Clerk provides drop-in authentication and user management for any web app — sign in with email, social, passkeys, or enterprise SSO in minutes. Beautiful pre-built UI components, webhooks, and first-class Next.js and React support.
How Clerk compares with its closest alternatives
4 of the 5 closest alternatives have a free plan, as Clerk does. Among the 4 that list a starting price, the cheapest is Datadog at $15 a month and the median is $20.50. Clerk starts at $25 a month, above that median. 4 of the 5 offer an API, as Clerk does. Clerk offers a web app. Of the alternatives, all 5 offer a web app. Clerk was founded in 2021; the alternatives were founded between 2009 and 2023, 4 of them earlier. Clerk is based in San Francisco, United States; all the 3 alternatives with a known headquarters are in the United States too.
Market position · Coding
How Clerk compares in Coding
Clerk has moderate opportunity and sits in the bottom third of 501 live Coding tools on FalcoScan. Across Coding, the average opportunity score is 60.4 and the average saturation score 44.4. FalcoScan rates Clerk's own market position as contested. 154 of the 501 operating Coding tools have hot momentum, and FalcoScan has recorded 16 shutdowns in the category.
Clerk has a free tier, with paid plans from $25 a month.
What are the best alternatives to Clerk?
The closest alternatives to Clerk that are still running, matched on the AI capabilities, uses and audience they share, are Auth0, v0 by Vercel, Datadog, Honeycomb, and PagerDuty.
Is Clerk still running?
Yes. As of 2 November 2026, FalcoScan lists Clerk as operating at clerk.com.
Where is Clerk based?
Clerk is headquartered in San Francisco, United States.
Does Clerk have an API?
Yes. Clerk offers an API.
Who is Clerk for?
Clerk is built for developers and enterprises.
How do I sign in to Clerk?
Sign in on Clerk's own website, clerk.com. FalcoScan reviews Clerk but does not run its accounts, so logins, passwords and billing are handled by Clerk directly.