Custom Fields

Manage custom object field definitions — types, options, and validation rules.

📄️ List custom fields

Lists custom fields. To list the fields of one custom object, filter on its **numeric ID**:

Get custom field

Create a new custom field for a custom object. The `type` cannot be changed after creation.

The field type is immutable. For partial updates, use PATCH and omit `type`. Some versions

The field type is immutable. For partial updates, use PATCH and omit `type`. Some versions

Delete custom field