# Update an Accounting Project This endpoint allows users to update an existing accounting project. It supports financial tracking and project organization by enabling modifications to project details. A finance manager can use this endpoint to update details of an accounting project, ensuring all financial activities are properly tracked and managed. Endpoint: PUT /api/external/accounting-projects/{projectId} Version: 1.5.0 Security: API_AUTHENTICATION ## Path parameters: - `projectId` (integer, required) FL3XX ID ## Request fields (application/json): - `externalReference` (string) External Identifier of the project Example: "PRO1" - `name` (string) Project label/name Example: "Project 1" - `isActive` (boolean) Indicates whether the project is active and usable within FL3XX ## Response 200 fields (application/json): - `id` (integer) Identifier of the project (FL3XX) Example: 112233 - `externalReference` (string) External Identifier of the project Example: "PRO1" - `name` (string) Project label/name Example: "Project 1" - `isActive` (boolean) Indicates whether the project is active and usable within FL3XX