Add the Usage API to the GraphQL cookbook

pages/apis/graphql/graphql_cookbook.md

@@ -650,6 +650,53 @@ mutation UpdateSessionIPAddressPinning {
 }
 ```
 
+### Query the Usage API
+
+Use the Usage API to query your organizations usage by pipleine or test suite
+at daily granularity.
+
+```graphql
+query Usage {
+  organization(slug: "organization-slug") {
+    id
+    name
+    usage(
+      aggregatedOnFrom: "2023-04-01"
+      aggregatedOnTo: "2023-05-01"
+      resource:[JOB_MINUTES, TEST_EXECUTIONS]
+    ) {
+      edges {
+        node {
+          __typename ... on JobMinutesUsage {
+            aggregatedOn
+            seconds
+            pipeline {
+              name
+              id
+            }
+          }
+        }
+
+        node {
+          __typename ... on TestExecutionsUsage {
+            Time:aggregatedOn
+            executions
+            suite {
+              name
+              id
+            }
+          }
+        }
+      }
+      pageInfo {
+        endCursor
+        hasNextPage
+      }
+    }
+  }
+}
+```
+
 ### Create a user, add them to a team, and set user permissions
 
 Invite a new user to the organization, add them to a team, and set their role.