diff --git a/components/schemas/billing/methods/sources/MethodSource.yml b/components/schemas/billing/methods/sources/MethodSource.yml
index bc251f81..19c3934a 100644
--- a/components/schemas/billing/methods/sources/MethodSource.yml
+++ b/components/schemas/billing/methods/sources/MethodSource.yml
@@ -1,4 +1,5 @@
 title: MethodSource
+type: object
 description: The underlying source (credit card, bank account, etc) used by a payment method.
 discriminator:
   propertyName: type
diff --git a/components/schemas/monitoring/Metric.yml b/components/schemas/monitoring/metrics/Metric.yml
similarity index 97%
rename from components/schemas/monitoring/Metric.yml
rename to components/schemas/monitoring/metrics/Metric.yml
index 146f3e63..9e9053be 100644
--- a/components/schemas/monitoring/Metric.yml
+++ b/components/schemas/monitoring/metrics/Metric.yml
@@ -8,7 +8,7 @@ required:
 properties:
   time:
     description: When the metric was submitted to the platform.
-    $ref: ../DateTime.yml
+    $ref: ../../DateTime.yml
   labels:
     type: object
     description: Additional key-values that can be used for querying in an aggregation pipeline. Often useful for filtering.
@@ -26,7 +26,7 @@ properties:
       type: array
       items:
         anyOf:
-          - $ref: ../DateTime.yml
+          - $ref: ../../DateTime.yml
           - type: integer
   metadata:
     description: Information about this metric, such as the type of metric, the data it represents, and critical common information such as hub ID and associated cluster.
@@ -111,10 +111,10 @@ properties:
         description: The originator of this metric.
         type: string
       hub_id:
-        $ref: ../ID.yml
+        $ref: ../../ID.yml
       component:
         description: The specific resource ID and type associated with this metric.
-        type: 
+        type:
           - object
           - "null"
         required:
@@ -122,11 +122,11 @@ properties:
           - type
         properties:
           id:
-            $ref: ../ID.yml
+            $ref: ../../ID.yml
           type:
             type: string
       cluster:
         description: "The cluster associated with this metric"
-        type: 
+        type:
           - string
           - "null"
diff --git a/components/schemas/monitoring/monitors/Monitor.yml b/components/schemas/monitoring/monitors/Monitor.yml
new file mode 100644
index 00000000..38028758
--- /dev/null
+++ b/components/schemas/monitoring/monitors/Monitor.yml
@@ -0,0 +1,131 @@
+title: Monitor
+description: >
+  A user-defined monitor that watches conditions on the platform and raises alarms
+  when configured rules trigger. Monitors have a scope that determines what they
+  observe (globally or against specific clusters) and a configuration that
+  defines their evaluation logic.
+type: object
+required:
+  - id
+  - hub_id
+  - identifier
+  - creator
+  - status
+  - name
+  - description
+  - scope
+  - config
+  - state
+  - events
+properties:
+  id:
+    type: string
+    description: A unique identifier for this monitor.
+  hub_id:
+    type: string
+    description: The ID of the hub this monitor belongs to.
+  identifier:
+    $ref: "../../Identifier.yml"
+  creator:
+    $ref: "../../common/UserScope.yml"
+    description: The user or entity that created this monitor.
+  status:
+    type: string
+    enum:
+      - ok
+      - no-data
+      - alarm
+    description: >
+      The current evaluation status of the monitor.
+        - `ok` - the monitor is evaluating and its rules are not triggered.
+        - `no-data` - the monitor has not received enough data to evaluate.
+        - `alarm` - the monitor's rules have triggered and the monitor is in an alarm state.
+  name:
+    type: string
+    description: A human-readable name for this monitor.
+  description:
+    type: string
+    description: A longer description of what this monitor observes and why.
+  scope:
+    type: object
+    description: What this monitor observes. Either global or scoped to specific clusters.
+    required:
+      - global
+      - clusters
+    properties:
+      global:
+        type: boolean
+        description: When true, the monitor observes all clusters within the hub.
+      clusters:
+        type: array
+        description: Cluster identifiers this monitor is scoped to. Ignored when global is true.
+        items:
+          $ref: "../../Identifier.yml"
+  config:
+    $ref: "./MonitorConfig.yml"
+    description: The evaluation configuration for this monitor.
+  state:
+    title: MonitorStateInfo
+    type: object
+    description: The current runtime state of the monitor.
+    required:
+      - current
+      - changed
+    properties:
+      current:
+        type: string
+        enum:
+          - paused
+          - live
+          - deleting
+          - deleted
+        description: >
+          The current lifecycle state of the monitor.
+            - `paused` - the monitor exists but is not evaluating.
+            - `live` - the monitor is evaluating on its configured window.
+            - `deleting` - the monitor is being torn down.
+            - `deleted` - the monitor has been removed.
+      changed:
+        description: The timestamp of the most recent state transition.
+        $ref: "../../DateTime.yml"
+      error:
+        type: object
+        description: Details of the last error, if the monitor is in an error condition.
+        required:
+          - message
+          - time
+        properties:
+          message:
+            type: string
+            description: A description of the error.
+          time:
+            description: The timestamp at which the error was recorded.
+            $ref: "../../DateTime.yml"
+  events:
+    title: MonitorEvents
+    type: object
+    description: A collection of timestamps for events in the Monitor's lifetime.
+    required:
+      - created
+      - updated
+      - deleted
+    properties:
+      created:
+        description: The timestamp of when the monitor was created.
+        $ref: "../../DateTime.yml"
+      updated:
+        description: The timestamp of when the monitor was updated.
+        $ref: "../../DateTime.yml"
+      deleted:
+        description: The timestamp of when the monitor was deleted.
+        $ref: "../../DateTime.yml"
+      last_alarm:
+        description: The timestamp of the most recent alarm event.
+        $ref: "../../DateTime.yml"
+      last_check:
+        description: The timestamp of the most recent evaluation.
+        $ref: "../../DateTime.yml"
+  meta:
+    type: object
+    description: Additional metadata attached to the monitor response.
+    additionalProperties: true
diff --git a/components/schemas/monitoring/monitors/MonitorAction.yml b/components/schemas/monitoring/monitors/MonitorAction.yml
new file mode 100644
index 00000000..2c7b5104
--- /dev/null
+++ b/components/schemas/monitoring/monitors/MonitorAction.yml
@@ -0,0 +1,15 @@
+title: MonitorAction
+description: >
+  An action taken when a monitor's rule set matches. The type discriminates
+  what runs; details carries the type-specific configuration.
+type: object
+required:
+  - type
+  - details
+properties:
+  type:
+    type: string
+    description: The kind of action to take. Determines the shape of the details object.
+  details:
+    description: Type-specific configuration for the action.
+    additionalProperties: true
diff --git a/components/schemas/monitoring/monitors/MonitorConfig.yml b/components/schemas/monitoring/monitors/MonitorConfig.yml
new file mode 100644
index 00000000..14ee7ca3
--- /dev/null
+++ b/components/schemas/monitoring/monitors/MonitorConfig.yml
@@ -0,0 +1,25 @@
+title: MonitorConfig
+description: >
+  Configuration that defines how a monitor evaluates. The window and cool down
+  govern timing, the rule set defines the conditions that trigger an alarm,
+  and the actions list what happens when one does.
+type: object
+required:
+  - window
+  - cool_down
+  - rule_set
+  - actions
+properties:
+  window:
+    description: The evaluation window over which rules are checked.
+    $ref: "../../Duration.yml"
+  cool_down:
+    description: The minimum time between successive alarms. Suppresses re-triggering while an alarm state persists.
+    $ref: "../../Duration.yml"
+  rule_set:
+    $ref: "./rules/MonitorRuleSet.yml"
+  actions:
+    type: array
+    description: Actions taken when the rule set evaluates to an alarm state.
+    items:
+      $ref: "./MonitorAction.yml"
diff --git a/components/schemas/monitoring/monitors/actionGroups/ActionGroup.yml b/components/schemas/monitoring/monitors/actionGroups/ActionGroup.yml
new file mode 100644
index 00000000..c062cc84
--- /dev/null
+++ b/components/schemas/monitoring/monitors/actionGroups/ActionGroup.yml
@@ -0,0 +1,92 @@
+title: ActionGroup
+description: >
+  A named, reusable collection of actions. Monitors can reference an action group
+  so that a single set of alarm responses can be shared across many monitors and
+  updated in one place.
+type: object
+required:
+  - id
+  - hub_id
+  - identifier
+  - creator
+  - name
+  - description
+  - actions
+  - state
+  - events
+properties:
+  id:
+    type: string
+    description: A unique identifier for this action group.
+  hub_id:
+    type: string
+    description: The ID of the hub this action group belongs to.
+  identifier:
+    $ref: "../../../Identifier.yml"
+  creator:
+    $ref: "../../../common/UserScope.yml"
+    description: The user or entity that created this action group.
+  name:
+    type: string
+    description: A human-readable name for this action group.
+  description:
+    type: string
+    description: A longer description of what this action group does and when it is used.
+  actions:
+    type: array
+    description: The actions run when this group is triggered.
+    items:
+      $ref: "../MonitorAction.yml"
+  state:
+    title: ActionGroupStateInfo
+    type: object
+    description: The current runtime state of the action group.
+    required:
+      - current
+      - changed
+    properties:
+      current:
+        type: string
+        enum:
+          - live
+          - deleting
+          - deleted
+        description: The current state of the action group.
+      changed:
+        description: The timestamp of the most recent state transition.
+        $ref: "../../../DateTime.yml"
+      error:
+        type: object
+        description: Details of the last error, if the action group is in an error condition.
+        required:
+          - message
+          - time
+        properties:
+          message:
+            type: string
+            description: A description of the error.
+          time:
+            description: The timestamp at which the error was recorded.
+            $ref: "../../../DateTime.yml"
+  events:
+    title: ActionGroupEvents
+    type: object
+    description: A collection of timestamps for events in the action group's lifetime.
+    required:
+      - created
+      - updated
+      - deleted
+    properties:
+      created:
+        description: The timestamp of when the action group was created.
+        $ref: "../../../DateTime.yml"
+      updated:
+        description: The timestamp of when the action group was updated.
+        $ref: "../../../DateTime.yml"
+      deleted:
+        description: The timestamp of when the action group was deleted.
+        $ref: "../../../DateTime.yml"
+  meta:
+    type: object
+    description: Additional metadata attached to the action group response.
+    additionalProperties: true
diff --git a/components/schemas/monitoring/monitors/rules/MonitorEventRule.yml b/components/schemas/monitoring/monitors/rules/MonitorEventRule.yml
new file mode 100644
index 00000000..2330c015
--- /dev/null
+++ b/components/schemas/monitoring/monitors/rules/MonitorEventRule.yml
@@ -0,0 +1,40 @@
+title: MonitorEventRule
+description: >
+  An event-based rule. At least one of target, priority, or type must be set;
+  the rule matches when a platform event satisfies every set field. Occurrences
+  controls how many matching events within the monitor's window are required
+  for the rule to trigger.
+type: object
+required:
+  - type
+  - details
+properties:
+  type:
+    type: string
+    enum:
+      - event
+    description: Identifies this as an event rule.
+  details:
+    type: object
+    required:
+      - occurrences
+    properties:
+      target:
+        oneOf:
+          - $ref: ./MonitorRuleTarget.yml
+          - type: "null"
+        description: The event target to match on. Null disables this filter.
+      priority:
+        oneOf:
+          - type: string
+          - type: "null"
+        description: The event priority to match on. Null disables this filter.
+      type:
+        oneOf:
+          - type: string
+          - type: "null"
+        description: The event type to match on. Null disables this filter.
+      occurrences:
+        type: integer
+        minimum: 1
+        description: The minimum number of matching events within the monitor's window required to trigger.
diff --git a/components/schemas/monitoring/monitors/rules/MonitorMetricRule.yml b/components/schemas/monitoring/monitors/rules/MonitorMetricRule.yml
new file mode 100644
index 00000000..53364955
--- /dev/null
+++ b/components/schemas/monitoring/monitors/rules/MonitorMetricRule.yml
@@ -0,0 +1,52 @@
+title: MonitorMetricRule
+description: >
+  A metric-based rule. Aggregates the target metric across the monitor's window
+  and compares the result to the threshold using the operator.
+type: object
+required:
+  - type
+  - details
+properties:
+  type:
+    type: string
+    enum:
+      - metric
+  details:
+    type: object
+    required:
+      - target
+      - aggregation
+      - operator
+      - threshold
+    properties:
+      target:
+        $ref: ./MonitorRuleTarget.yml
+        description: The metric target to evaluate.
+      aggregation:
+        type: string
+        enum:
+          - avg
+          - sum
+          - max
+          - min
+        description: >
+          How the metric samples in the window are combined into a single value.
+            - `avg` - arithmetic mean.
+            - `sum` - total of all samples.
+            - `max` - largest sample.
+            - `min` - smallest sample.
+      operator:
+        type: string
+        enum:
+          - "=="
+          - "!="
+          - ">"
+          - "<"
+          - ">="
+          - "<="
+        description: The comparison applied between the aggregated value and the threshold.
+      threshold:
+        type: number
+        format: double
+        minimum: 0.01
+        description: The value the aggregated metric is compared against. Must be at least 0.01.
diff --git a/components/schemas/monitoring/monitors/rules/MonitorRule.yml b/components/schemas/monitoring/monitors/rules/MonitorRule.yml
new file mode 100644
index 00000000..13e5ea65
--- /dev/null
+++ b/components/schemas/monitoring/monitors/rules/MonitorRule.yml
@@ -0,0 +1,13 @@
+title: MonitorRule
+type: object
+description: >
+  A single rule evaluated by the monitor. The type discriminates whether the
+  rule watches events or metrics.
+discriminator:
+  propertyName: type
+  mapping:
+    event: ./MonitorEventRule.yml
+    metric: ./MonitorMetricRule.yml
+oneOf:
+  - $ref: ./MonitorEventRule.yml
+  - $ref: ./MonitorMetricRule.yml
diff --git a/components/schemas/monitoring/monitors/rules/MonitorRuleSet.yml b/components/schemas/monitoring/monitors/rules/MonitorRuleSet.yml
new file mode 100644
index 00000000..b42773c0
--- /dev/null
+++ b/components/schemas/monitoring/monitors/rules/MonitorRuleSet.yml
@@ -0,0 +1,24 @@
+title: MonitorRuleSet
+description: >
+  A collection of rules and how they combine. Rules evaluate individually; the
+  evaluate mode determines whether all of them must match for the set to trigger,
+  or whether any single match is enough.
+type: object
+required:
+  - evaluate
+  - rules
+properties:
+  evaluate:
+    type: string
+    enum:
+      - any
+      - all
+    description: >
+      How the rules combine.
+        - `any` - the rule set matches when any rule matches.
+        - `all` - the rule set matches only when every rule matches.
+  rules:
+    type: array
+    description: The individual rules evaluated by the rule set.
+    items:
+      $ref: ./MonitorRule.yml
diff --git a/components/schemas/monitoring/monitors/rules/MonitorRuleTarget.yml b/components/schemas/monitoring/monitors/rules/MonitorRuleTarget.yml
new file mode 100644
index 00000000..eb5ee63e
--- /dev/null
+++ b/components/schemas/monitoring/monitors/rules/MonitorRuleTarget.yml
@@ -0,0 +1,6 @@
+title: MonitorRuleTarget
+description: >
+  The subject of a monitor rule — the event target or metric name to evaluate
+  against. Alphanumeric characters, dots, hyphens, and underscores only.
+type: string
+pattern: "^[a-zA-Z0-9._-]+$"
diff --git a/components/schemas/monitoring/monitors/tasks/MonitorReconfigureAction.yml b/components/schemas/monitoring/monitors/tasks/MonitorReconfigureAction.yml
new file mode 100644
index 00000000..d296e22b
--- /dev/null
+++ b/components/schemas/monitoring/monitors/tasks/MonitorReconfigureAction.yml
@@ -0,0 +1,23 @@
+title: MonitorReconfigureAction
+description: >
+  Replaces the monitor's evaluation configuration. The new config is validated
+  before the job is queued; if validation fails, the request returns 422 without
+  queueing.
+type: object
+required:
+  - action
+  - contents
+properties:
+  action:
+    type: string
+    enum:
+      - reconfigure
+    description: Identifies this as a reconfigure task.
+  contents:
+    type: object
+    required:
+      - config
+    properties:
+      config:
+        $ref: ../MonitorConfig.yml
+        description: The new configuration for the monitor.
diff --git a/components/schemas/monitoring/monitors/tasks/MonitorTask.yml b/components/schemas/monitoring/monitors/tasks/MonitorTask.yml
new file mode 100644
index 00000000..f66dc78b
--- /dev/null
+++ b/components/schemas/monitoring/monitors/tasks/MonitorTask.yml
@@ -0,0 +1,8 @@
+title: MonitorTask
+description: A task to be run against a monitor.
+discriminator:
+  propertyName: action
+  mapping:
+    reconfigure: ./MonitorReconfigureAction.yml
+oneOf:
+  - $ref: ./MonitorReconfigureAction.yml
diff --git a/components/schemas/monitoring/Monitor.yml b/components/schemas/monitoring/platform/PlatformMonitor.yml
similarity index 86%
rename from components/schemas/monitoring/Monitor.yml
rename to components/schemas/monitoring/platform/PlatformMonitor.yml
index 783551fd..9a070ce1 100644
--- a/components/schemas/monitoring/Monitor.yml
+++ b/components/schemas/monitoring/platform/PlatformMonitor.yml
@@ -1,6 +1,6 @@
-title: Monitor
+title: PlatformMonitor
 description: >
-  A monitor used to determine latency between the public internet and a load balancer on Cycle.
+  A platform monitor used to determine latency between the public internet and a load balancer on Cycle.
   These monitors are automatically created and managed by the platform. Information about specific monitors
   is provided for determining the regional latencies for an environment.
 type: object
@@ -8,7 +8,7 @@ properties:
   node_id:
     type: string
     description: The ID of the node this monitor is running on.
-  country_short: 
+  country_short:
     type: string
     description: The country code of where this monitor is located.
   country:
@@ -35,4 +35,4 @@ required:
   - region
   - city
   - latitude
-  - longitude
\ No newline at end of file
+  - longitude
diff --git a/platform/api.yml b/platform/api.yml
index 8420cc5c..9d6023a7 100644
--- a/platform/api.yml
+++ b/platform/api.yml
@@ -685,7 +685,20 @@ paths:
   "/v1/monitoring/logs/aggregate":
     $ref: paths/monitoring/logs/aggregate.yml
   "/v1/monitoring/platform/monitors":
+    $ref: paths/monitoring/platform/platformMonitors.yml
+
+  ## Monitors
+  "/v1/monitoring/monitors":
     $ref: paths/monitoring/monitors/monitors.yml
+  "/v1/monitoring/monitors/{id}":
+    $ref: paths/monitoring/monitors/monitor.yml
+  "/v1/monitoring/monitors/{id}/tasks":
+    $ref: paths/monitoring/monitors/tasks.yml
+  ## Action Groups
+  "/v1/monitoring/monitors/action-groups":
+    $ref: paths/monitoring/monitors/action-groups/action-groups.yml
+  "/v1/monitoring/monitors/action-groups/{id}":
+    $ref: paths/monitoring/monitors/action-groups/action-group.yml
 
   # --Pipelines
   "/v1/pipelines":
@@ -803,7 +816,7 @@ webhooks:
             schema:
               type: array
               items:
-                $ref: ../components/schemas/monitoring/Metric.yml
+                $ref: ../components/schemas/monitoring/metrics/Metric.yml
   environmentEventsPush:
     post:
       operationId: environmentEventsPush
diff --git a/platform/paths/monitoring/metrics/metrics.yml b/platform/paths/monitoring/metrics/metrics.yml
index 01769038..d579bec4 100644
--- a/platform/paths/monitoring/metrics/metrics.yml
+++ b/platform/paths/monitoring/metrics/metrics.yml
@@ -72,6 +72,6 @@ get:
               data:
                 type: array
                 items:
-                  $ref: ../../../../components/schemas/monitoring/Metric.yml
+                  $ref: ../../../../components/schemas/monitoring/metrics/Metric.yml
     default:
       $ref: ../../../../components/responses/errors/DefaultError.yml
diff --git a/platform/paths/monitoring/monitors/action-groups/action-group.yml b/platform/paths/monitoring/monitors/action-groups/action-group.yml
new file mode 100644
index 00000000..681fe247
--- /dev/null
+++ b/platform/paths/monitoring/monitors/action-groups/action-group.yml
@@ -0,0 +1,128 @@
+get:
+  operationId: "getActionGroup"
+  summary: Get Action Group
+  description: Requires the `monitoring-monitors-view` capability.
+  tags:
+    - Monitoring
+  parameters:
+    - name: id
+      in: path
+      required: true
+      description: The ID of the action group to fetch.
+      schema:
+        type: string
+        pattern: "^[a-f0-9]{24}$"
+    - name: include
+      in: query
+      required: false
+      description:
+        A comma separated list of include values. Included resources will show up under
+        the root document's `include` field, with the key being the id of the included resource.
+      schema:
+        type: array
+        items:
+          type: string
+          enum:
+            - creators
+  responses:
+    200:
+      description: Returns an Action Group.
+      content:
+        application/json:
+          schema:
+            type: object
+            required:
+              - data
+            properties:
+              data:
+                $ref: ../../../../../components/schemas/monitoring/monitors/actionGroups/ActionGroup.yml
+              includes:
+                type: object
+                properties:
+                  creators:
+                    $ref: ../../../../../components/schemas/includes/IncludedCreators.yml
+    default:
+      $ref: ../../../../../components/responses/errors/DefaultError.yml
+patch:
+  operationId: "updateActionGroup"
+  summary: Update Action Group
+  description: |
+    Requires the `monitoring-monitors-manage` capability.
+
+    Action groups in `deleting` or `deleted` state cannot be updated.
+  tags:
+    - Monitoring
+  parameters:
+    - name: id
+      in: path
+      required: true
+      description: The ID of the action group to update.
+      schema:
+        type: string
+        pattern: "^[a-f0-9]{24}$"
+  requestBody:
+    content:
+      application/json:
+        schema:
+          type: object
+          properties:
+            name:
+              type: string
+              description: A user-defined name for the action group. Cannot be empty when provided.
+            identifier:
+              oneOf:
+                - $ref: ../../../../../components/schemas/Identifier.yml
+                - type: "null"
+            description:
+              type: string
+              description: A longer description of what this action group does and when it is used.
+            actions:
+              type: array
+              description: The actions run when this group is triggered.
+              items:
+                $ref: ../../../../../components/schemas/monitoring/monitors/MonitorAction.yml
+  responses:
+    200:
+      description: Returns the updated Action Group.
+      content:
+        application/json:
+          schema:
+            type: object
+            required:
+              - data
+            properties:
+              data:
+                $ref: ../../../../../components/schemas/monitoring/monitors/actionGroups/ActionGroup.yml
+    default:
+      $ref: ../../../../../components/responses/errors/DefaultError.yml
+delete:
+  operationId: "deleteActionGroup"
+  summary: Delete Action Group
+  description: |
+    Requires the `monitoring-monitors-manage` capability.
+
+    Deletion runs asynchronously via a job. The response returns a Task with the queued job details.
+  tags:
+    - Monitoring
+  parameters:
+    - name: id
+      in: path
+      required: true
+      description: The ID of the action group to delete.
+      schema:
+        type: string
+        pattern: "^[a-f0-9]{24}$"
+  responses:
+    202:
+      description: Returns a Task acknowledging the queued deletion job.
+      content:
+        application/json:
+          schema:
+            type: object
+            required:
+              - data
+            properties:
+              data:
+                $ref: ../../../../../components/schemas/jobs/JobDescriptor.yml
+    default:
+      $ref: ../../../../../components/responses/errors/DefaultError.yml
diff --git a/platform/paths/monitoring/monitors/action-groups/action-groups.yml b/platform/paths/monitoring/monitors/action-groups/action-groups.yml
new file mode 100644
index 00000000..10d1cd44
--- /dev/null
+++ b/platform/paths/monitoring/monitors/action-groups/action-groups.yml
@@ -0,0 +1,111 @@
+get:
+  operationId: "getActionGroups"
+  summary: List Action Groups
+  description: Requires the `monitoring-monitors-view` capability.
+  tags:
+    - Monitoring
+  parameters:
+    - name: include
+      in: query
+      required: false
+      description:
+        A comma separated list of include values. Included resources will show up under
+        the root document's `include` field, with the key being the id of the included resource.
+      schema:
+        type: array
+        items:
+          type: string
+          enum:
+            - creators
+    - name: filter
+      in: query
+      style: deepObject
+      required: false
+      description: |
+        ## Filter Field
+        The filter field is a key-value object, where the key is what you would like to filter, and the value is the value you're filtering for.
+      schema:
+        type: object
+        properties:
+          identifier:
+            type: string
+            description: |
+              `filter[identifier]=value` List only those action groups matching this identifier. May return multiple results.
+          search:
+            type: string
+            description: |
+              `filter[search]=value` search for a value associated with a field on the given action group(s).
+          state:
+            type: string
+            description: |
+              `filter[state]=value1,value2` filter by the action group's current lifecycle state.
+    - $ref: ../../../../../components/parameters/SortParam.yml
+    - $ref: ../../../../../components/parameters/PageParam.yml
+  responses:
+    200:
+      description: Returns a list of Action Groups.
+      content:
+        application/json:
+          schema:
+            type: object
+            required:
+              - data
+            properties:
+              data:
+                type: array
+                items:
+                  $ref: ../../../../../components/schemas/monitoring/monitors/actionGroups/ActionGroup.yml
+              includes:
+                type: object
+                properties:
+                  creators:
+                    $ref: ../../../../../components/schemas/includes/IncludedCreators.yml
+    default:
+      $ref: ../../../../../components/responses/errors/DefaultError.yml
+post:
+  operationId: "createActionGroup"
+  summary: Create Action Group
+  description: Requires the `monitoring-monitors-manage` capability.
+  tags:
+    - Monitoring
+  parameters: []
+  requestBody:
+    content:
+      application/json:
+        schema:
+          type: object
+          required:
+            - name
+            - description
+            - actions
+          properties:
+            name:
+              type: string
+              description: A user-defined name for the action group. Cannot be empty.
+            description:
+              type: string
+              description: A longer description of what this action group does and when it is used.
+            identifier:
+              oneOf:
+                - $ref: ../../../../../components/schemas/Identifier.yml
+                - type: "null"
+              description: A slug for the action group. Generated from the name when omitted or empty.
+            actions:
+              type: array
+              description: The actions run when this group is triggered.
+              items:
+                $ref: ../../../../../components/schemas/monitoring/monitors/MonitorAction.yml
+  responses:
+    201:
+      description: Returns an Action Group.
+      content:
+        application/json:
+          schema:
+            type: object
+            required:
+              - data
+            properties:
+              data:
+                $ref: ../../../../../components/schemas/monitoring/monitors/actionGroups/ActionGroup.yml
+    default:
+      $ref: ../../../../../components/responses/errors/DefaultError.yml
diff --git a/platform/paths/monitoring/monitors/monitor.yml b/platform/paths/monitoring/monitors/monitor.yml
new file mode 100644
index 00000000..9ef4102f
--- /dev/null
+++ b/platform/paths/monitoring/monitors/monitor.yml
@@ -0,0 +1,138 @@
+get:
+  operationId: "getMonitor"
+  summary: Get Monitor
+  description: Requires the `monitoring-monitors-view` capability.
+  tags:
+    - Monitoring
+  parameters:
+    - name: id
+      in: path
+      required: true
+      description: The ID of the monitor to fetch.
+      schema:
+        type: string
+        pattern: "^[a-f0-9]{24}$"
+    - name: include
+      in: query
+      required: false
+      description:
+        A comma separated list of include values. Included resources will show up under
+        the root document's `include` field, with the key being the id of the included resource.
+      schema:
+        type: array
+        items:
+          type: string
+          enum:
+            - creators
+  responses:
+    200:
+      description: Returns a Monitor.
+      content:
+        application/json:
+          schema:
+            type: object
+            required:
+              - data
+            properties:
+              data:
+                $ref: ../../../../components/schemas/monitoring/monitors/Monitor.yml
+              includes:
+                type: object
+                properties:
+                  creators:
+                    $ref: ../../../../components/schemas/includes/IncludedCreators.yml
+    default:
+      $ref: ../../../../components/responses/errors/DefaultError.yml
+patch:
+  operationId: "updateMonitor"
+  summary: Update Monitor
+  description: |
+    Requires the `monitoring-monitors-manage` capability.
+
+    Monitors in `deleting` or `deleted` state cannot be updated.
+  tags:
+    - Monitoring
+  parameters:
+    - name: id
+      in: path
+      required: true
+      description: The ID of the monitor to update.
+      schema:
+        type: string
+        pattern: "^[a-f0-9]{24}$"
+  requestBody:
+    content:
+      application/json:
+        schema:
+          type: object
+          properties:
+            name:
+              type: string
+              description: A user-defined name for the monitor. Cannot be empty when provided.
+            identifier:
+              oneOf:
+                - $ref: ../../../../components/schemas/Identifier.yml
+                - type: "null"
+            description:
+              type: string
+              description: A longer description of what this monitor observes and why.
+            scope:
+              type: object
+              description: What this monitor observes.
+              required:
+                - global
+                - clusters
+              properties:
+                global:
+                  type: boolean
+                  description: When true, the monitor observes all clusters within the hub.
+                clusters:
+                  type: array
+                  description: Cluster identifiers this monitor is scoped to. Ignored when global is true.
+                  items:
+                    $ref: ../../../../components/schemas/Identifier.yml
+  responses:
+    200:
+      description: Returns the updated Monitor.
+      content:
+        application/json:
+          schema:
+            type: object
+            required:
+              - data
+            properties:
+              data:
+                $ref: ../../../../components/schemas/monitoring/monitors/Monitor.yml
+    default:
+      $ref: ../../../../components/responses/errors/DefaultError.yml
+delete:
+  operationId: "deleteMonitor"
+  summary: Delete Monitor
+  description: |
+    Requires the `monitoring-monitors-manage` capability.
+
+    Deletion runs asynchronously via a job. The response returns a Task with the queued job details.
+  tags:
+    - Monitoring
+  parameters:
+    - name: id
+      in: path
+      required: true
+      description: The ID of the monitor to delete.
+      schema:
+        type: string
+        pattern: "^[a-f0-9]{24}$"
+  responses:
+    202:
+      description: Returns a Task acknowledging the queued deletion job.
+      content:
+        application/json:
+          schema:
+            type: object
+            required:
+              - data
+            properties:
+              data:
+                $ref: ../../../../components/schemas/jobs/JobDescriptor.yml
+    default:
+      $ref: ../../../../components/responses/errors/DefaultError.yml
diff --git a/platform/paths/monitoring/monitors/monitors.yml b/platform/paths/monitoring/monitors/monitors.yml
index 83f779e9..f65f4cb1 100644
--- a/platform/paths/monitoring/monitors/monitors.yml
+++ b/platform/paths/monitoring/monitors/monitors.yml
@@ -1,15 +1,53 @@
 get:
-  operationId: "getMonitoringMonitors"
-  summary: Get Monitoring Monitors
-  description: | 
-    Returns location information about the monitors used for Cycle's external monitoring service.
-    These monitors are used for determining the latency between the public internet and environment 
-    load balancers.
+  operationId: "getMonitors"
+  summary: List Monitors
+  description: Requires the `monitoring-monitors-view` capability.
   tags:
     - Monitoring
+  parameters:
+    - name: include
+      in: query
+      required: false
+      description:
+        A comma separated list of include values. Included resources will show up under
+        the root document's `include` field, with the key being the id of the included resource.
+      schema:
+        type: array
+        items:
+          type: string
+          enum:
+            - creators
+    - name: filter
+      in: query
+      style: deepObject
+      required: false
+      description: |
+        ## Filter Field
+        The filter field is a key-value object, where the key is what you would like to filter, and the value is the value you're filtering for.
+      schema:
+        type: object
+        properties:
+          identifier:
+            type: string
+            description: |
+              `filter[identifier]=value` List only those monitors matching this identifier. May return multiple results.
+          search:
+            type: string
+            description: |
+              `filter[search]=value` search for a value associated with a field on the given monitor(s).
+          state:
+            type: string
+            description: |
+              `filter[state]=value1,value2` filter by the monitor's current lifecycle state.
+          cluster:
+            type: string
+            description: |
+              `filter[cluster]=identifier` list monitors that either apply globally or are scoped to the specified cluster.
+    - $ref: ../../../../components/parameters/SortParam.yml
+    - $ref: ../../../../components/parameters/PageParam.yml
   responses:
     200:
-      description: Returns and array of monitor location information.
+      description: Returns a list of Monitors.
       content:
         application/json:
           schema:
@@ -20,6 +58,71 @@ get:
               data:
                 type: array
                 items:
-                  $ref: ../../../../components/schemas/monitoring/Monitor.yml
+                  $ref: ../../../../components/schemas/monitoring/monitors/Monitor.yml
+              includes:
+                type: object
+                properties:
+                  creators:
+                    $ref: ../../../../components/schemas/includes/IncludedCreators.yml
+    default:
+      $ref: ../../../../components/responses/errors/DefaultError.yml
+post:
+  operationId: "createMonitor"
+  summary: Create Monitor
+  description: Requires the `monitoring-monitors-manage` capability.
+  tags:
+    - Monitoring
+  parameters: []
+  requestBody:
+    content:
+      application/json:
+        schema:
+          type: object
+          required:
+            - name
+            - description
+            - scope
+            - config
+          properties:
+            name:
+              type: string
+              description: A user-defined name for the monitor. Cannot be empty.
+            description:
+              type: string
+              description: A longer description of what this monitor observes and why.
+            identifier:
+              oneOf:
+                - $ref: ../../../../components/schemas/Identifier.yml
+                - type: "null"
+              description: A slug for the monitor. Generated from the name when omitted or empty.
+            scope:
+              type: object
+              description: What this monitor observes. Either global or scoped to specific clusters.
+              required:
+                - global
+                - clusters
+              properties:
+                global:
+                  type: boolean
+                  description: When true, the monitor observes all clusters within the hub.
+                clusters:
+                  type: array
+                  description: Cluster identifiers this monitor is scoped to. Ignored when global is true.
+                  items:
+                    $ref: ../../../../components/schemas/Identifier.yml
+            config:
+              $ref: ../../../../components/schemas/monitoring/monitors/MonitorConfig.yml
+  responses:
+    201:
+      description: Returns a Monitor.
+      content:
+        application/json:
+          schema:
+            type: object
+            required:
+              - data
+            properties:
+              data:
+                $ref: ../../../../components/schemas/monitoring/monitors/Monitor.yml
     default:
       $ref: ../../../../components/responses/errors/DefaultError.yml
diff --git a/platform/paths/monitoring/monitors/tasks.yml b/platform/paths/monitoring/monitors/tasks.yml
new file mode 100644
index 00000000..81695cf9
--- /dev/null
+++ b/platform/paths/monitoring/monitors/tasks.yml
@@ -0,0 +1,41 @@
+post:
+  operationId: "createMonitorJob"
+  summary: Create Monitor Job
+  description: |
+    Create a job for a monitor. Currently supports the `reconfigure` action, which
+    replaces the monitor's evaluation configuration.
+
+    Requires the `monitoring-monitors-manage` capability.
+
+    Monitors in `deleting` or `deleted` state cannot accept jobs.
+  tags:
+    - Monitoring
+  parameters:
+    - name: id
+      description: The ID of the requested monitor.
+      in: path
+      required: true
+      schema:
+        type: string
+        pattern: "^[a-f0-9]{24}$"
+  requestBody:
+    description: Parameters for creating a new monitor job.
+    content:
+      application/json:
+        schema:
+          $ref: ../../../../components/schemas/monitoring/monitors/tasks/MonitorTask.yml
+  responses:
+    202:
+      description: Returns a Job Descriptor.
+      content:
+        application/json:
+          schema:
+            title: "TaskResponse"
+            type: object
+            required:
+              - data
+            properties:
+              data:
+                $ref: ../../../../components/schemas/jobs/JobDescriptor.yml
+    default:
+      $ref: ../../../../components/responses/errors/DefaultError.yml
diff --git a/platform/paths/monitoring/platform/platformMonitors.yml b/platform/paths/monitoring/platform/platformMonitors.yml
new file mode 100644
index 00000000..fe2638e6
--- /dev/null
+++ b/platform/paths/monitoring/platform/platformMonitors.yml
@@ -0,0 +1,25 @@
+get:
+  operationId: "getPlatformMonitors"
+  summary: Get Platform Monitors
+  description: |
+    Returns location information about the monitors used for Cycle's external platform monitoring service.
+    These monitors are used for determining the latency between the public internet and environment 
+    load balancers.
+  tags:
+    - Monitoring
+  responses:
+    200:
+      description: Returns and array of monitor location information.
+      content:
+        application/json:
+          schema:
+            type: object
+            required:
+              - data
+            properties:
+              data:
+                type: array
+                items:
+                  $ref: ../../../../components/schemas/monitoring/platform/PlatformMonitor.yml
+    default:
+      $ref: ../../../../components/responses/errors/DefaultError.yml