# Get alert history trend **GET /alerts/trend** Returns trend data for resolved alerts over a specified period with daily data points. Compares the current period with the previous period of equal length. Requires `read:systems` permission. ## Servers - Backend API server (port 8080): https://api.your-domain.com/api (Backend API server (port 8080)) - Collect API server (port 8081): https://collect.your-domain.com/api (Collect API server (port 8081)) ## Authentication methods - Bearer auth ## Parameters ### Query parameters - **period** (integer) Trend period in days ## Responses ### 200 Alert trend data #### Body: application/json (object) - **code** (integer) - **message** (string) - **data** (object) ### 400 Bad request - validation error #### Body: application/json (object) - **code** (integer) HTTP error code - **message** (string) Error message - **data** (object) ### 401 Unauthorized - invalid or missing token #### Body: application/json (object) - **code** (integer) - **message** (string) - **data** (object | null) ### 403 Forbidden - insufficient permissions #### Body: application/json (object) - **code** (integer) - **message** (string) - **data** (object | null) [Powered by Bump.sh](https://bump.sh)