# Acknowledge an alert (/docs/api/logs/alerts_acknowledge)

Mark an open alert as being handled. PagerDuty and Opsgenie destinations are acknowledged too.

`POST /v1/alerts/{id}/acknowledge`

```json
{
  "operationId": "alerts_acknowledge",
  "summary": "Acknowledge an alert",
  "description": "Mark an open alert as being handled. PagerDuty and Opsgenie destinations are acknowledged too.",
  "tags": [
    "alerts"
  ],
  "security": [
    {
      "bearer": []
    }
  ],
  "parameters": [
    {
      "schema": {
        "type": "string",
        "pattern": "^alt_[a-z0-9]{8,40}$"
      },
      "required": true,
      "name": "id",
      "in": "path"
    }
  ],
  "responses": {
    "200": {
      "description": "OK",
      "content": {
        "application/json": {
          "schema": {
            "type": "object",
            "properties": {
              "object": {
                "type": "string",
                "enum": [
                  "alert"
                ]
              },
              "id": {
                "type": "string",
                "pattern": "^alt_[a-z0-9]{8,40}$"
              },
              "rule_id": {
                "type": [
                  "string",
                  "null"
                ],
                "pattern": "^alr_[a-z0-9]{8,32}$"
              },
              "rule_name": {
                "type": "string",
                "maxLength": 80
              },
              "metric": {
                "type": "string",
                "enum": [
                  "error_rate",
                  "p95_latency",
                  "spend",
                  "budget_used",
                  "vendor_failure_spike",
                  "vendor_key_failing",
                  "billing_mismatch",
                  "cache_hit_rate",
                  "delivery_backlog",
                  "security_event",
                  "new_ip"
                ]
              },
              "severity": {
                "type": "string",
                "enum": [
                  "info",
                  "warning",
                  "critical"
                ]
              },
              "status": {
                "type": "string",
                "enum": [
                  "triggered",
                  "acknowledged",
                  "resolved"
                ]
              },
              "subject": {
                "type": [
                  "string",
                  "null"
                ],
                "maxLength": 200
              },
              "title": {
                "type": "string",
                "maxLength": 160
              },
              "message": {
                "type": "string",
                "maxLength": 500
              },
              "value": {
                "type": [
                  "number",
                  "null"
                ]
              },
              "threshold": {
                "type": [
                  "number",
                  "null"
                ]
              },
              "count": {
                "type": "integer",
                "minimum": 0
              },
              "started_at": {
                "type": "string",
                "format": "date-time"
              },
              "last_seen_at": {
                "type": "string",
                "format": "date-time"
              },
              "acknowledged_at": {
                "type": [
                  "string",
                  "null"
                ],
                "format": "date-time"
              },
              "acknowledged_by": {
                "type": [
                  "string",
                  "null"
                ],
                "maxLength": 200
              },
              "resolved_at": {
                "type": [
                  "string",
                  "null"
                ],
                "format": "date-time"
              },
              "resolved_reason": {
                "type": [
                  "string",
                  "null"
                ],
                "enum": [
                  "auto",
                  "manual",
                  "rule_changed",
                  null
                ]
              },
              "muted": {
                "type": "boolean"
              },
              "timeline": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "at": {
                      "type": "string",
                      "format": "date-time"
                    },
                    "type": {
                      "type": "string",
                      "enum": [
                        "triggered",
                        "repeated",
                        "escalated",
                        "notified",
                        "notify_failed",
                        "acknowledged",
                        "resolved",
                        "suppressed"
                      ]
                    },
                    "message": {
                      "type": "string",
                      "maxLength": 300
                    },
                    "destination_id": {
                      "type": [
                        "string",
                        "null"
                      ],
                      "pattern": "^dst_[a-z0-9]{8,32}$",
                      "default": null
                    },
                    "actor": {
                      "type": [
                        "string",
                        "null"
                      ],
                      "maxLength": 200,
                      "default": null
                    }
                  },
                  "required": [
                    "at",
                    "type",
                    "message"
                  ]
                },
                "maxItems": 60
              }
            },
            "required": [
              "object",
              "id",
              "rule_id",
              "rule_name",
              "metric",
              "severity",
              "status",
              "subject",
              "title",
              "message",
              "value",
              "threshold",
              "count",
              "started_at",
              "last_seen_at",
              "acknowledged_at",
              "acknowledged_by",
              "resolved_at",
              "resolved_reason",
              "muted",
              "timeline"
            ]
          }
        }
      }
    },
    "default": {
      "description": "Error",
      "content": {
        "application/json": {
          "schema": {
            "type": "object",
            "properties": {
              "error": {
                "type": "object",
                "properties": {
                  "code": {
                    "type": "string",
                    "enum": [
                      "invalid_request",
                      "unauthorized",
                      "insufficient_balance",
                      "max_cost_exceeded",
                      "scope_denied",
                      "budget_blocked",
                      "not_found",
                      "idempotency_mismatch",
                      "invalid_meta",
                      "rate_limited",
                      "upstream_error",
                      "response_buffer_limit",
                      "provider_capacity_unavailable",
                      "grid_saturated",
                      "upstream_timeout",
                      "conflict",
                      "internal_error",
                      "account_frozen",
                      "strict_filters",
                      "plan_limit_reached",
                      "validation_failed",
                      "deadline_exceeded",
                      "cancelled"
                    ]
                  },
                  "message": {
                    "type": "string"
                  },
                  "request_id": {
                    "type": "string"
                  },
                  "call_id": {
                    "type": "string"
                  },
                  "retry_after_ms": {
                    "type": "integer",
                    "minimum": 0
                  },
                  "details": {
                    "type": "object",
                    "additionalProperties": {}
                  }
                },
                "required": [
                  "code",
                  "message"
                ]
              }
            },
            "required": [
              "error"
            ]
          }
        }
      }
    }
  }
}
```