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Clerk

Unclaimed

By Clerk, Inc.

Clerk is a hosted authentication and user-management layer for web and mobile applications, providing prebuilt sign-in, sign-up, and profile UI plus APIs and SDKs.

clerk.com ↗Structured profile ↗

Prepared by Scribble from public sources.

Reviewed public sources (6)

Snapshot

Continue to About ↓
What it does
  • Clerk is a hosted authentication and user-management layer for web and mobile applications, providing prebuilt sign-in, sign-up, and profile UI plus APIs and SDKs.
More detail
  • It also covers sessions, multifactor authentication, multi-tenant Organizations, and fraud/abuse protection so teams do not have to build login infrastructure from scratch.
Best for
  • Front-end and full-stack developers building React, Next.js, Expo, and similar apps who want drop-in authentication, MFA, and B2B multi-tenancy without hand-rolling sessions and OAuth.
More detail
  • Early-stage SaaS teams also benefit from the free tier and fast setup.
Pricing
  • Clerk bills monthly by Monthly Retained Users (MRU): Hobby is free with up to 50,000 MRU per app and 3 dashboard seats, but has a fixed 7-day session lifetime and 1-day log retention.
More detail
  • Pro is $25/mo ($20/mo annual) with 50,000 MRU included, then $0.02/mo per additional MRU; extra SSO and Directory Sy
Main limitation
  • Organizations that require ISO 27001 certification, EU/UK/Swiss regional data residency, or a HIPAA BAA outside the Enterprise plan.
More detail
  • Teams that need PCI DSS coverage for stored cardholder data should look elsewhere.
Record
Living and monitored
Reviewed
Evidence
Public web research

About

  • Clerk is a hosted authentication and user-management layer for web and mobile applications, providing prebuilt sign-in, sign-up, and profile UI plus APIs and SDKs.
  • It also covers sessions, multifactor authentication, multi-tenant Organizations, and fraud/abuse protection so teams do not have to build login infrastructure from scratch.

What it helps with

Capabilities

A practical view of what is available and where limitations apply.

OfferingAvailableDetail
Prebuilt authentication UI YesSign-in, sign-up, and user-profile components are available out of the box per the official homepage and docs.
Multifactor authentication YesMFA is included on Pro and above and can be enforced application-wide with a Dashboard toggle.
Social sign-on YesOfficial homepage states 20+ social SSO options are supported.
Multi-tenant Organizations YesOrganizations, custom roles, invitations, and auto-join by email domain are documented; enhanced B2B add-on is $100/mo.
SMS authentication LimitedAvailable on Pro and above; billed per SMS at $0.01 in the US/Canada and market rate internationally; not on the free Hobby tier.
Regional data residency NoOfficial security page states no regional data residency or region selection; all data is hosted in the US.
ISO 27001 certification NoClerk explicitly states it is not ISO 27001 certified.
HIPAA BAA LimitedBusiness Associate Agreement is available only on the Enterprise plan.
SOC 2 Type 2 report access LimitedControls are consistent across plans, but the report is available only on Business and above.
Agent tooling (CLI and MCP) YesOfficial homepage describes an agent-oriented CLI returning JSON and an MCP server for configuring Clerk settings, users, and domains.

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Verification
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  • The owner has not manually confirmed every field.
Last reviewed
Primary source
clerk.com
Technical profile details
Record ID21b45659-b58b-45dc-8403-65ebd37d44c0Canonical URLhttps://profiles.scribble.network/listing/clerk-21b45659