# Activate promo code promotion Activates a promo code promotion. Created promo code promotion is disabled by default. It will not be ready for redemption until you activate it. Use this endpoint to enable and activate a promo code promotion. Endpoint: PUT /v2/project/{project_id}/admin/promocode/{external_id}/activate Version: 2.0.0 Security: basicAuth ## Path parameters: - `project_id` (integer, required) Project ID. You can find this parameter in your Publisher Account next to the name of the project. Example: 44056 - `external_id` (integer, required) Promotion external ID. Unique promotion identifier within the project. Example: "coupon_44056_1" ## Response 401 fields (application/json): - `statusCode` (integer) Example: 401 - `errorCode` (integer) Example: 1020 - `errorMessage` (string) Example: "[0401-1020]: Error in Authentication method occurred" ## Response 404 fields (application/json): - `statusCode` (integer) Example: 404 - `errorCode` (integer) Example: 4001 - `errorMessage` (string) Example: "[0401-9802]: Promocode not found" - `transactionId` (string) Example: "x-x-x-x-transactionId-mock-x-x-x" ## Response 422 fields (application/json): - `statusCode` (integer) Example: 422 - `errorCode` (integer) Example: 9502 - `errorMessage` (string) Example: "[0401-9502]: Error occurred while receiving the promotion from the promotion service" - `transactionId` (string) Example: "x-x-x-x-transactionId-mock-x-x-x" ## Response 204 fields