Update a field
Update a field’s label, type, options, or filterability. The code is immutable after create — live templates and segments reference it — so it cannot be changed here.
Authorizations
Org-scoped Norbelys API key. Create one in Settings → API keys and send it as Authorization: Bearer ak_….
Path Parameters
The field id to update.
"fld_tz4a98xat96iws9zmbrgj3a"
Body
Replace the default for new/imported contacts; null or an empty string disables it.
1000Whether this field is offered as a segment/list filter.
true
New display name for the field.
1 - 100Replace the dropdown's allowed values; null clears them.
1001Change the data type: text, email, phone, date, datetime, number, or dropdown.
text, email, phone, date, datetime, number, dropdown Response
OK
The merge tag and storage key, templated as {{ code }}.
"favorite_category"
The value applied to new/imported contacts that omit this field, or null when disabled.
1000The field id.
"fld_tz4a98xat96iws9zmbrgj3a"
Whether this field is offered as a segment/list filter.
true
The human-readable display name for the field.
"Favorite category"
Allowed values for a dropdown field; null for other types.
Display order among custom fields (lower = first).
x >= 00
The data type: text, email, phone, date, datetime, number, or dropdown. email and phone values are validated on write: a phone is normalized to E.164, and an invalid value is dropped without failing the request.
text, email, phone, date, datetime, number, dropdown "dropdown"
When the field was archived (RFC 3339), or null if still active.
When the field was created (RFC 3339).
Always "field" — the resource discriminator.
When the field was last updated (RFC 3339).