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POST
Set Client Custom Field Value
This endpoint sets a value on an existing company-wide custom field for a specific client — it does not create a new field definition. Custom field definitions are managed at the company level.

Authorizations

X-API-KEY
string
header
required

Path Parameters

id
string
required

Client ID

Body

application/json

Custom field ID and the value to set.

custom_field_id
string
required

The company-wide custom field definition ID.

value
string

The value to set for this client.

Response

OK

A custom field with its value for a specific client.

id
string

Custom field definition ID.

name
string

Custom field name.

value
string | null

The value set for this client.

field_type
string

Field type (e.g., text, dropdown, checkbox).

options
object[]

Available options for dropdown/select fields.