The short answer
A CLERK* AUTH charge is a monthly user authentication and session management subscription from Clerk Dev, Inc. for React and Next.js applications.
Why it shows up like this
Clerk provides drop-in user authentication components, multi-session management, and user profiles. Statement descriptors include CLERK* AUTH, CLERK DEV INC, or CLERK.COM.
The Pro plan starts at $25/month and includes custom domain branding, expanded monthly active users (MAUs), and SMS verification quotas.
Don’t recognize it? Common scenarios
- A software developer integrated Clerk into a web project on a team credit card.
- An application exceeded the 10,000 MAU free tier allocation.
- SMS phone verification or custom branding add-ons were enabled.
How to locate the invoice and cancel
- Log in to Clerk Dashboard Open dashboard.clerk.com and sign in to your developer account.
- View Application Billing Select your application and go to Settings > Billing to see plan details and invoices.
- Downgrade to Free Click Manage Plan and downgrade your application to the Free tier.
Frequently Asked Questions
What happens if my application exceeds Clerk's Free tier limits?
Applications that exceed 10,000 monthly active users will be prompted to upgrade to the Pro tier to maintain unrestricted access.
Does Clerk charge for SMS one-time passcodes?
Clerk includes a base allocation of SMS verifications on paid plans; additional messages incur carrier passthrough fees.
Dispute Rights & Fraud Prevention
If you suspect this charge is unauthorized or incorrect, federal regulations protect your payment card.
Review your recent statements carefully and notify your financial institution within 60 days of the statement date.
What should I do if I do not recognize this charge?
First check with household or team members who have permission to use your account. If the transaction was not authorized by anyone on your card, contact your bank or card issuer immediately to report it. Under the Fair Credit Billing Act (FCBA), you have 60 days from the statement date to dispute unauthorized credit card charges.
How long does a billing dispute take to resolve?
Under federal rules, your bank must acknowledge your written inquiry within 30 days and resolve the dispute within two billing cycles (up to 90 days). The bank typically issues a provisional credit while they investigate.
Independent reference — not affiliated with Clerk Dev, Inc.. Billing names and policies change; verify with the merchant or your bank before acting.
Verified sources
Every claim on this page is checked against official sources — open them to confirm before you call your bank.
- Clerk Account and Billing Documentation https://clerk.com
- CFPB: Disputing Credit Card Charges https://www.consumerfinance.gov
Reviewed Aug 15, 2026 · high · About UnknownCharges