Add llm-observability alert monitor type

.generator/schemas/v1/openapi.yaml

@@ -10153,6 +10153,7 @@ components:
         - "data-quality alert"
         - "network-path alert"
         - "data-jobs alert"
+        - "llm-observability alert"
       example: "query alert"
       type: string
       x-enum-varnames:
@@ -10178,6 +10179,7 @@ components:
         - DATA_QUALITY_ALERT
         - NETWORK_PATH_ALERT
         - DATA_JOBS_ALERT
+        - LLM_OBSERVABILITY_ALERT
     MonitorUpdateRequest:
       description: Object describing a monitor update request.
       properties:

cassettes/features/v1/monitors/Create-an-LLM-Observability-monitor-returns-OK-response.frozen

@@ -0,0 +1 @@
+2026-08-11T15:01:12.326Z

examples/v1/monitors/CreateMonitor_1348801712.rb

@@ -0,0 +1,23 @@
+# Create an LLM Observability monitor returns "OK" response
+
+require "datadog_api_client"
+api_instance = DatadogAPIClient::V1::MonitorsAPI.new
+
+body = DatadogAPIClient::V1::Monitor.new({
+  name: "Example-Monitor",
+  type: DatadogAPIClient::V1::MonitorType::LLM_OBSERVABILITY_ALERT,
+  query: 'llm-observability("*").rollup("count").last("2h") > 0',
+  message: "LLM observability alert triggered",
+  tags: [
+    "test:examplemonitor",
+    "env:ci",
+  ],
+  options: DatadogAPIClient::V1::MonitorOptions.new({
+    thresholds: DatadogAPIClient::V1::MonitorThresholds.new({
+      critical: 0,
+    }),
+    include_tags: true,
+    notify_audit: false,
+  }),
+})
+p api_instance.create_monitor(body)

features/v1/monitors.feature

@@ -202,6 +202,15 @@ Feature: Monitors
     And the response "query" is equal to "error-tracking-rum(\"service:foo AND @error.source:source\").rollup(\"count\").by(\"@issue.id\").last(\"1h\") >= 1"
     And the response "draft_status" is equal to "draft"
 
+  @team:DataDog/monitor-app
+  Scenario: Create an LLM Observability monitor returns "OK" response
+    Given new "CreateMonitor" request
+    And body with value {"name": "{{ unique }}", "type": "llm-observability alert", "query": "llm-observability(\"*\").rollup(\"count\").last(\"2h\") > 0", "message": "LLM observability alert triggered", "tags": ["test:{{ unique_lower_alnum }}", "env:ci"], "options": {"thresholds": {"critical": 0}, "include_tags": true, "notify_audit": false}}
+    When the request is sent
+    Then the response status is 200 OK
+    And the response "name" is equal to "{{ unique }}"
+    And the response "type" is equal to "llm-observability alert"
+
   @generated @skip @team:DataDog/monitor-app
   Scenario: Delete a monitor returns "Bad Request" response
     Given new "DeleteMonitor" request

lib/datadog_api_client/v1/models/monitor_type.rb

@@ -43,5 +43,6 @@ class MonitorType
     DATA_QUALITY_ALERT = "data-quality alert".freeze
     NETWORK_PATH_ALERT = "network-path alert".freeze
     DATA_JOBS_ALERT = "data-jobs alert".freeze
+    LLM_OBSERVABILITY_ALERT = "llm-observability alert".freeze
   end
 end