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Client Error (4xx)

HTTP/1.1

423 Locked

The resource that is being accessed is locked.

CategoryClient Error (4xx)
API error types1 error schema
Related headers0 headers
Defined inRFC 4918
Updated2026-07-09

What does HTTP status code 423 mean?

The 423 Locked status code (from WebDAV, RFC 4918) indicates that the target resource is currently locked and cannot be modified.

When to use it in APIs

Use when a tenant resource has been locked by administrators (due to billing freeze, moderation, etc.) or when a resource is temporarily locked for editing.

How it compares to other codes

  • 403 Forbidden: A general permission denial. 423 indicates permission is denied specifically because of a lock state.

Problem types for 423

1