diff --git a/api/services/ocean/rightsizing/paths/oceanRightsizingClusterConfiguration.yaml b/api/services/ocean/rightsizing/paths/oceanRightsizingClusterConfiguration.yaml
new file mode 100644
index 00000000..715b3366
--- /dev/null
+++ b/api/services/ocean/rightsizing/paths/oceanRightsizingClusterConfiguration.yaml
@@ -0,0 +1,27 @@
+post:
+  summary: "Set Cluster Recommendations Percentile"
+  description: |
+    Set Recommendations Percentile for the Ocean Cluster.
+    <br />
+    <br />
+    **This action can take a few minutes to complete.**
+  operationId: "SetClusterRecommendationsPercentile"
+  tags:
+    - "Ocean Automatic Rightsizing"
+  parameters:
+    - $ref: "../parameters/oceanId.yaml"
+    - $ref: "../parameters/clusterIdentifier.yaml"
+    - $ref: "../../../../commons/parameters/accountId.yaml"
+  requestBody:
+    required: true
+    content:
+      application/json:
+        schema:
+          allOf:
+            - $ref: "../schemas/oceanRightsizingSetClusterRecommendationsPercentileRequest.yaml"
+  responses:
+    200:
+      description: Ocean Cluster Recommendations Percentile Response
+      $ref: "../responses/oceanRightsizingClusterConfigurationResponse.yaml"
+    400:
+      description: "Bad Request"
\ No newline at end of file
diff --git a/api/services/ocean/rightsizing/responses/oceanRightsizingClusterConfigurationResponse.yaml b/api/services/ocean/rightsizing/responses/oceanRightsizingClusterConfigurationResponse.yaml
new file mode 100644
index 00000000..99c00b07
--- /dev/null
+++ b/api/services/ocean/rightsizing/responses/oceanRightsizingClusterConfigurationResponse.yaml
@@ -0,0 +1,37 @@
+description: Ocean Rightsizing Cluster Configuration Response
+content:
+  application/json:
+    schema:
+      allOf:
+        - $ref: "../../../../commons/schemas/responseItemWrapper.yaml"
+        - type: object
+          properties:
+            request:
+              type: object
+              properties:
+                url:
+                  example: "/ocean/{oceanId}/rightSizing/cluster/configuration"
+                method:
+                  example: "POST"
+            response:
+              type: object
+              properties:
+                items:
+                  type: array
+                  items:
+                    type: object
+                    properties:
+                      oceanId:
+                        type: string
+                        example: "o-abcd1234"
+                      clusterIdentifier:
+                        type: string
+                        example: "dev-cluster"
+                      config:
+                        type: object
+                        properties:
+                          recommendationsPercentile:
+                            type: integer
+                            example: 85
+                kind:
+                  example: "mcs:ocean:rightSizing:clusterConfiguration"
\ No newline at end of file
diff --git a/api/services/ocean/rightsizing/schemas/oceanRightsizingSetClusterRecommendationsPercentileRequest.yaml b/api/services/ocean/rightsizing/schemas/oceanRightsizingSetClusterRecommendationsPercentileRequest.yaml
new file mode 100644
index 00000000..5631ddae
--- /dev/null
+++ b/api/services/ocean/rightsizing/schemas/oceanRightsizingSetClusterRecommendationsPercentileRequest.yaml
@@ -0,0 +1,14 @@
+type: object
+required:
+  - config
+properties:
+  config:
+    type: object
+    required:
+      - recommendationsPercentile
+    properties:
+      recommendationsPercentile:
+        type: integer
+        description: Change the percentile that the right-sizing recommendations calculation will take into account.
+        example: 85
+        enum: [ 85, 90, 95, 99 ]
\ No newline at end of file
diff --git a/api/spot.yaml b/api/spot.yaml
index 5df10b75..cac798f8 100644
--- a/api/spot.yaml
+++ b/api/spot.yaml
@@ -933,6 +933,8 @@ paths:
     $ref: services/ocean/rightsizing/paths/oceanRightsizingRollbacks.yaml
   /ocean/{oceanId}/rightSizing/rollbacks/acknowledge:
     $ref: services/ocean/rightsizing/paths/oceanRightsizingAcknowledgeRollbacks.yaml
+  /ocean/{oceanId}/rightSizing/cluster/configuration:
+    $ref: services/ocean/rightsizing/paths/oceanRightsizingClusterConfiguration.yaml
   /security/v1/compliances:
     $ref: services/security/v1/paths/compliances.yaml
   /security/v1/compliances/count: