Clerk
Authentication and user management for modern web apps
#22 of 37 in Identity & Access Management1,300 customers (per businesswire.com)56% positive in AI answers
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
- Clerk ranks #22 of 37 in Identity & Access Management with an AI visibility score of 3.1 (SlateIndex, Nov 3, 2026).
- Clerk's visibility rose 1.6 points since the previous weekly run.
- Clerk is most visible on Google AI Mode (3.7) and least on ChatGPT (1.1).
- AI engines name Clerk in 3 of the 30 Identity & Access Management buyer prompts SlateIndex tracks.
- startwithidentity.com is the source AI engines cite most in answers about Clerk, with 7 citations.
About
Company details for Clerk
Clerk provides authentication and user management for web and mobile applications, delivered as embeddable UI components, APIs and admin dashboards. It supports passwords, magic links, one-time codes, social sign-on, passkeys, MFA, enterprise SSO via SAML and OIDC, and SCIM directory sync. Add-ons cover B2B multi-tenancy with organizations and roles, fraud and abuse protection, administration, and subscription billing. SDKs target modern frameworks such as Next.js, React, Expo and Astro. It ranks #22 of 37 in Identity & Access Management on SlateIndex and has a visibility score of 3.1 in the latest weekly run.
Founded in 2019 and headquartered in San Francisco, CA, United States, the company employs 51–200 people. It has raised about $101M. Its differentiator: prebuilt, drop-in UI components and SDKs for modern frameworks, priced on monthly retained users rather than MAU.
- Website
- clerk.com
- Categories
- Identity & Access Management
- Company size
- 51–200 employees
- Headquarters
- San Francisco, CA, United States
- Founded
- 2019
- Company type
- Private, venture-backed
- Funding
- Series C · $101M raised
- Customers
- 1,300 · per businesswire.com/news/home/20240117610993/en
- Pricing
- Free; paid from $25 / mo · usage-based
- Free trial
- Free plan available
- Deployment
- Cloud (SaaS)
- Platforms
- Web, Mobile
- Compliance
- SOC 2 Type 2, HIPAA, GDPR (EU-U.S. Data Privacy Framework), CCPA
- Support
- Community Discord, Email support, Priority support, Dedicated technical account manager, Dedicated Slack channel
Read from linkedin.com, clerk.com, capterra.com, x.com, businesswire.com, supertokens.com · refreshed Nov 2, 2026.
AI visibility
Latest weekly run · Nov 3 · next run Nov 9
Visibility score trend
Weekly runs over the last 60 days, with up to 7 competitors. Click a name to hide or show its line.
Clerk gained 0.6 points over 1 weekly run in Identity & Access Management. Microsoft Entra ID leads the category at 66%.
Media
Website and product screenshots for Clerk
AI mentions & citations
Recent answers that name Clerk
Top identity and access management platform options for B2B SaaS companies
Why choose it: While initially favored for rapid development and B2C/PLG-style apps, Clerk has expanded robust support for B2B organization structures and multi-tenancy.
Which identity and access management platform has transparent pricing?
They offer free user management up to 1,000,000 Monthly Active Users (MAUs) and clear, modular per-connection pricing (e.g., a flat public rate per month for SSO or Directory Sync…
Top identity and access management platform options for B2B SaaS companies
Best for a rapid MVP: Clerk or Stytch.
Best identity and access management platform for startups
Product authentication: Start with Auth0; evaluate Clerk, Stytch, or WorkOS if their developer experience or pricing better matches your product.
Top identity and access management platform options for B2B SaaS companies
Products & features
What Clerk sells
User Authentication
Sign-in and sign-up with passwords, magic links, OTP, social SSO, passkeys and MFA.
B2B Authentication
Multi-tenancy with organizations, invitations, auto-join and custom roles and permissions.
Enterprise Authentication
SAML/OIDC SSO connections and SCIM directory sync.
Protect
Fraud and abuse protection including bot detection, brute force prevention and rate limits.
Billing
Subscription billing on Stripe with prebuilt pricing and self-service components.
Administration
Advanced user management including user impersonation.
Machine Authentication
User API keys and machine-to-machine tokens.
Clerk CLI and MCP server
Tools letting developers and AI agents set up and configure Clerk.
Strengths engines cite
- Free user management up to 1,000,000 MAUs
- Clear, modular per-connection pricing
- Rapid development and developer experience
- Expanded support for B2B organizations and multi-tenancy
- Good fit for rapid MVP builds
Target market & buyers
Software developers and SaaS companies, from startups to enterprises
Funding & recent developments
Funding
| Round | Year | Amount |
|---|---|---|
| Seed | — | $4M |
| Seed | — | $6M |
| Series B | 2024 | $30M |
| Series C | 2025 | $50M |
| Latest known round | Total raised |
|---|---|
| Series C | $101M |
Recent developments
- Dec 2025CompanyRanked #4 on Ramp fastest-growing vendors list
Clerk ranked fourth fastest-growing software vendor on Ramp's December 2025 list.
- Oct 2025FundingClerk raises $50M Series C
Led by Menlo and Anthropic's Anthology Fund with Georgian and existing investors.
- Sep 2025SecurityDatabase incident postmortem
Postmortem published for a database incident from September 14–18, 2025.
- Aug 2025ProductMosaic released
Clerk released Mosaic for branding authentication flows.
- Jun 2025ProductOAuth improvements
Expanded OAuth capabilities including dynamic client registration.
Competitive landscape
How Clerk compares with its top three alternatives
Clerk most often appears alongside WorkOS, Microsoft Entra ID, Okta in AI answers.
| Brand | Visibility | Share of voice | vs last week | Starting price |
|---|---|---|---|---|
| Clerk | 3.1% | 1.3% | up+1.6% | Free plan |
| WorkOS | 9.5% | 3% | down−1.3% | Free plan |
| Microsoft Entra ID | 66% | 12.9% | up+5.2% | Pricing not available |
| Okta | 56.9% | 12.2% | down−0.9% | $6 / seat / mo |
| Auth0 | 17.2% | 5.4% | up+2.6% | Free plan |
What AI answers say
Sentiment and themes from the answers that mention this brand
Positive 56% · Neutral 11% · Mixed 33% of 9 engine answers that mention Clerk
Praised for
- Free user management up to 1,000,000 MAUs
- Clear, modular per-connection pricing
- Rapid development and developer experience
- Expanded support for B2B organizations and multi-tenancy
- Good fit for rapid MVP builds
Criticised for
Pricing
Usage-based pricing with a free plan
Cite as: SlateIndex, “Clerk AI visibility profile”, https://slateindex.ai/brand/clerk, data of Nov 3, 2026. Licence: CC BY 4.0.