# List Custom Fields Custom fields allow users to store additional information alongside a deal. EBITDA, revenue multiple, and other financial metrics can be tracked using custom fields. Endpoint: GET /v1/deals/custom-fields Version: 1.0.0 Security: ApiKeyAuth ## Response 200 fields (application/json): - `fields` (array, required) - `fields.fieldId` (string, required) - `fields.label` (string, required)