diff --git a/x-pack/plugins/actions/server/routes/legacy/create.ts b/x-pack/plugins/actions/server/routes/legacy/create.ts
index 3fd8c77759122..d668b1fbc19d2 100644
--- a/x-pack/plugins/actions/server/routes/legacy/create.ts
+++ b/x-pack/plugins/actions/server/routes/legacy/create.ts
@@ -40,7 +40,14 @@ export const createActionRoute = (
         deprecated: true,
       },
       validate: {
-        body: bodySchema,
+        request: {
+          body: bodySchema,
+        },
+        response: {
+          200: {
+            description: 'Indicates a successful call.',
+          },
+        },
       },
     },
     router.handleLegacyErrors(
diff --git a/x-pack/plugins/actions/server/routes/legacy/delete.ts b/x-pack/plugins/actions/server/routes/legacy/delete.ts
index e2df62e5ec4bd..2204095e03801 100644
--- a/x-pack/plugins/actions/server/routes/legacy/delete.ts
+++ b/x-pack/plugins/actions/server/routes/legacy/delete.ts
@@ -35,7 +35,14 @@ export const deleteActionRoute = (
         deprecated: true,
       },
       validate: {
-        params: paramSchema,
+        request: {
+          params: paramSchema,
+        },
+        response: {
+          204: {
+            description: 'Indicates a successful call.',
+          },
+        },
       },
     },
     router.handleLegacyErrors(async function (context, req, res) {
diff --git a/x-pack/plugins/actions/server/routes/legacy/execute.ts b/x-pack/plugins/actions/server/routes/legacy/execute.ts
index abe8971baf1cf..88e75aadb627c 100644
--- a/x-pack/plugins/actions/server/routes/legacy/execute.ts
+++ b/x-pack/plugins/actions/server/routes/legacy/execute.ts
@@ -40,8 +40,15 @@ export const executeActionRoute = (
         tags: ['oas-tag:connectors'],
       },
       validate: {
-        body: bodySchema,
-        params: paramSchema,
+        request: {
+          body: bodySchema,
+          params: paramSchema,
+        },
+        response: {
+          200: {
+            description: 'Indicates a successful call.',
+          },
+        },
       },
     },
     router.handleLegacyErrors(async function (context, req, res) {
diff --git a/x-pack/plugins/actions/server/routes/legacy/get.ts b/x-pack/plugins/actions/server/routes/legacy/get.ts
index e95c88fca7c45..524b3522ed541 100644
--- a/x-pack/plugins/actions/server/routes/legacy/get.ts
+++ b/x-pack/plugins/actions/server/routes/legacy/get.ts
@@ -34,7 +34,14 @@ export const getActionRoute = (
         tags: ['oas-tag:connectors'],
       },
       validate: {
-        params: paramSchema,
+        request: {
+          params: paramSchema,
+        },
+        response: {
+          200: {
+            description: 'Indicates a successful call.',
+          },
+        },
       },
     },
     router.handleLegacyErrors(async function (context, req, res) {
diff --git a/x-pack/plugins/actions/server/routes/legacy/update.ts b/x-pack/plugins/actions/server/routes/legacy/update.ts
index f07682706fc19..5f234c8bf55a9 100644
--- a/x-pack/plugins/actions/server/routes/legacy/update.ts
+++ b/x-pack/plugins/actions/server/routes/legacy/update.ts
@@ -40,8 +40,15 @@ export const updateActionRoute = (
         tags: ['oas-tag:connectors'],
       },
       validate: {
-        body: bodySchema,
-        params: paramSchema,
+        request: {
+          body: bodySchema,
+          params: paramSchema,
+        },
+        response: {
+          200: {
+            description: 'Indicates a successful call.',
+          },
+        },
       },
     },
     router.handleLegacyErrors(async function (context, req, res) {