# Request backfill for feature **POST /v1/feature/backfill/{featureId}** Requests that PX begin a backfill operation for the feature with the given ID ## Servers - https://api.aptrinsic.com: https://api.aptrinsic.com () ## Parameters ### Path parameters - **featureId** (string) Feature id ## Responses ### 200 Success #### Body: */* (object) - **body** (object) - **statusCode** (string) - **statusCodeValue** (integer(int32)) ### 204 No Content #### Body: */* (object) - **body** (object) - **statusCode** (string) - **statusCodeValue** (integer(int32)) ### 401 Unauthorized or bad API Key ### 403 Forbidden ### 404 Feature not found ### 429 Rate limit exceeded [Powered by Bump.sh](https://bump.sh)