Clerk
@ClerkDev
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Clerk is a complete suite of embeddable UIs, flexible APIs, and admin dashboards to authenticate and manage your users.
Everywhere
Joined July 2019
We raised a $50m Series C from @MenloVentures and @AnthropicAI's Anthology Fund AI has presented an exciting new challenge in authentication: Agent Identity We'll be tackling it head-on, alongside continued innovation in our authentication, multi-tenancy, and billing products.
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Using Clerk just got faster. The new command menu helps you search less and do more.
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And this is why we do what we do 😎
The last few weeks, Clerk saw an increase in attempted credential stuffing, where attackers use leaked passwords to attempt account takeovers. We check for leaked passwords on every sign-in with @haveibeenpwned, but in this wave of attacks, many we're not listed. Practically on
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Here's how Client Trust works: 1. If a user enters a valid password 2. and hasn’t enabled two-factor authentication 3. and is signing in from a new-to-them client (device) Then Clerk will require a second factor, with either a one-time passcode or a magic link. Since
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This begged the question: how can Clerk better protect our customers for 0-day leaks that haven't been added to HIBP yet? Machine learning and rate limits to block fraud are highly effective, but even blocking 99.9% isn't enough for leaks of this scale. So, we devised a new
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The last few weeks, Clerk saw an increase in attempted credential stuffing, where attackers use leaked passwords to attempt account takeovers. We check for leaked passwords on every sign-in with @haveibeenpwned, but in this wave of attacks, many we're not listed. Practically on
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Credential stuffing had a good run, but it ends today. We're introducing Client Trust, and it's FREE for all Clerk customers! Client Trust is how we stop attackers, even when they have the right password:
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B2B growth starts when users bring their teams. Clerk now gives you a clear view of organization growth across your app.
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GPT-5 vs Sonnet 4.5 vs v0. Which one is better at real Clerk integration tasks (auth, users, orgs, webhooks, checkout, etc.)? Find out here →
clerk.com
Compare how different large language models perform at writing Clerk code and select the one that best fits your requirements.
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We’ll be performing a scheduled database maintenance on Sunday, October 26, between 6:00 AM and 7:00 AM UTC. No downtime is expected during this window, though you may notice slightly elevated latency for a few seconds on certain operations while we complete the maintenance. All
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0 to SaaS in less than 1 day
My friend's contact us form is filled with spam, causing him to lose actual customer requests. In the last 24 hours I built a SaaS to handle this, and it's live on his site now. 0 to production in less than a day (with paid subscriptions!) thanks to @ClerkDev and @Railway
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That's a wrap on our Next.js Conf hackathon. 20+ teams, 5 hours, some incredible builds. Congratulations to our winners! A big thank you to our judges @YTCodeAntonio
@haydenbleasel
@vcrama
@reidRMC Until next time...
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