Update a custom field
Custom Fields
Update a custom field
Updates an existing custom field name. The slug is not modified by this operation — it remains stable for integrations. Returns 404 if the custom field is in a workspace outside the API key scope.
PATCH
Update a custom field
Authorizations
Enter your API Key (sk_live_xxx or sk_test_xxx)
Path Parameters
Body
application/json
Name of the custom field
Required string length:
1 - 200Example:
"Job Title"
Response
The updated custom field
Example:
"550e8400-e29b-41d4-a716-446655440000"
Human-readable label. Can be renamed without breaking integrations.
Example:
"Job Title"
Stable, immutable identifier derived from the name at creation time. Use this as the key when setting custom field values on a contact via POST/PATCH /contacts.
Example:
"job_title"