# Create reward chain Creates reward chain. Endpoint: POST /v3/project/{project_id}/admin/reward_chain 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 ## Response 201 fields (application/json): - `reward_chain_id` (integer) Example: 10 ## Response 401 fields (application/json): - `statusCode` (integer) Example: 401 - `errorCode` (integer) Example: 1020 - `errorMessage` (string) Example: "[0401-1020]: Error in Authentication method occurred" ## Response 422 fields (application/json): - `statusCode` (integer) Example: 422 - `errorCode` (integer) Example: 1102 - `errorMessage` (string) Example: "[0401-1102]: Unprocessable Entity. The property `property_name` is required" - `transactionId` (string) Example: "x-x-x-x-transactionId-mock-x-x-x"