Create a custom field
Custom Fields
Create a custom field
Creates a new custom field in your organization. A stable slug is automatically generated from the name and returned in the response. The slug is immutable: renaming the custom field later will not change it.
POST
Create a custom field
Authorizations
Enter your API Key (sk_live_xxx or sk_test_xxx)
Body
application/json
Name of the custom field
Required string length:
1 - 200Example:
"Job Title"
Response
The created 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"