diff --git a/src/lib/features/feature-search/feature-search-controller.ts b/src/lib/features/feature-search/feature-search-controller.ts
index ed2daf30b445..1b3ec3579548 100644
--- a/src/lib/features/feature-search/feature-search-controller.ts
+++ b/src/lib/features/feature-search/feature-search-controller.ts
@@ -6,9 +6,15 @@ import {
     IUnleashConfig,
     IUnleashServices,
     NONE,
+    serializeDates,
 } from '../../types';
 import { Logger } from '../../logger';
-import { createResponseSchema, getStandardResponses } from '../../openapi';
+import {
+    createResponseSchema,
+    getStandardResponses,
+    projectOverviewSchema,
+    searchFeaturesSchema,
+} from '../../openapi';
 import { IAuthRequest } from '../../routes/unleash-types';
 import { InvalidOperationError } from '../../error';
 import {
@@ -122,7 +128,12 @@ export default class FeatureSearchController extends Controller {
                 favoritesFirst: normalizedFavoritesFirst,
             });
 
-            res.json({ features, total });
+            this.openApiService.respondWithValidation(
+                200,
+                res,
+                searchFeaturesSchema.$id,
+                serializeDates({ features, total }),
+            );
         } else {
             throw new InvalidOperationError(
                 'Feature Search API is not enabled',
diff --git a/src/lib/openapi/index.ts b/src/lib/openapi/index.ts
index e0b90cb7924b..029a3538e886 100644
--- a/src/lib/openapi/index.ts
+++ b/src/lib/openapi/index.ts
@@ -169,6 +169,7 @@ import {
     validateArchiveFeaturesSchema,
     searchFeaturesSchema,
     featureTypeCountSchema,
+    featureSearchResponseSchema,
 } from './spec';
 import { IServerOption } from '../types';
 import { mapValues, omitKeys } from '../util';
@@ -401,6 +402,7 @@ export const schemas: UnleashSchemas = {
     searchFeaturesSchema,
     featureTypeCountSchema,
     projectOverviewSchema,
+    featureSearchResponseSchema,
 };
 
 // Remove JSONSchema keys that would result in an invalid OpenAPI spec.
diff --git a/src/lib/openapi/spec/feature-search-response-schema.ts b/src/lib/openapi/spec/feature-search-response-schema.ts
new file mode 100644
index 000000000000..96d21cb9104e
--- /dev/null
+++ b/src/lib/openapi/spec/feature-search-response-schema.ts
@@ -0,0 +1,190 @@
+import { FromSchema } from 'json-schema-to-ts';
+import { variantSchema } from './variant-schema';
+import { constraintSchema } from './constraint-schema';
+import { overrideSchema } from './override-schema';
+import { parametersSchema } from './parameters-schema';
+import { featureStrategySchema } from './feature-strategy-schema';
+import { tagSchema } from './tag-schema';
+import { featureEnvironmentSchema } from './feature-environment-schema';
+import { strategyVariantSchema } from './strategy-variant-schema';
+
+export const featureSearchResponseSchema = {
+    $id: '#/components/schemas/featureSearchResponseSchema',
+    type: 'object',
+    additionalProperties: false,
+    required: ['name'],
+    description: 'A feature toggle definition',
+    properties: {
+        name: {
+            type: 'string',
+            example: 'disable-comments',
+            description: 'Unique feature name',
+        },
+        type: {
+            type: 'string',
+            example: 'kill-switch',
+            description:
+                'Type of the toggle e.g. experiment, kill-switch, release, operational, permission',
+        },
+        description: {
+            type: 'string',
+            nullable: true,
+            example:
+                'Controls disabling of the comments section in case of an incident',
+            description: 'Detailed description of the feature',
+        },
+        archived: {
+            type: 'boolean',
+            example: true,
+            description: '`true` if the feature is archived',
+        },
+        project: {
+            type: 'string',
+            example: 'dx-squad',
+            description: 'Name of the project the feature belongs to',
+        },
+        enabled: {
+            type: 'boolean',
+            example: true,
+            description: '`true` if the feature is enabled, otherwise `false`.',
+        },
+        stale: {
+            type: 'boolean',
+            example: false,
+            description:
+                '`true` if the feature is stale based on the age and feature type, otherwise `false`.',
+        },
+        favorite: {
+            type: 'boolean',
+            example: true,
+            description:
+                '`true` if the feature was favorited, otherwise `false`.',
+        },
+        impressionData: {
+            type: 'boolean',
+            example: false,
+            description:
+                '`true` if the impression data collection is enabled for the feature, otherwise `false`.',
+        },
+        createdAt: {
+            type: 'string',
+            format: 'date-time',
+            nullable: true,
+            example: '2023-01-28T15:21:39.975Z',
+            description: 'The date the feature was created',
+        },
+        archivedAt: {
+            type: 'string',
+            format: 'date-time',
+            nullable: true,
+            example: '2023-01-29T15:21:39.975Z',
+            description: 'The date the feature was archived',
+        },
+        lastSeenAt: {
+            type: 'string',
+            format: 'date-time',
+            nullable: true,
+            deprecated: true,
+            example: '2023-01-28T16:21:39.975Z',
+            description:
+                'The date when metrics where last collected for the feature. This field is deprecated, use the one in featureEnvironmentSchema',
+        },
+        environments: {
+            type: 'array',
+            items: {
+                $ref: '#/components/schemas/featureEnvironmentSchema',
+            },
+            description:
+                'The list of environments where the feature can be used',
+        },
+        segments: {
+            type: 'array',
+            description: 'The list of segments the feature is enabled for.',
+            example: ['pro-users', 'main-segment'],
+            items: {
+                type: 'string',
+            },
+        },
+        variants: {
+            type: 'array',
+            items: {
+                $ref: '#/components/schemas/variantSchema',
+            },
+            description: 'The list of feature variants',
+            deprecated: true,
+        },
+        strategies: {
+            type: 'array',
+            items: {
+                type: 'object',
+            },
+            description: 'This is a legacy field that will be deprecated',
+            deprecated: true,
+        },
+        tags: {
+            type: 'array',
+            items: {
+                $ref: '#/components/schemas/tagSchema',
+            },
+            nullable: true,
+            description: 'The list of feature tags',
+        },
+        children: {
+            type: 'array',
+            description:
+                'The list of child feature names. This is an experimental field and may change.',
+            items: {
+                type: 'string',
+                example: 'some-feature',
+            },
+        },
+        dependencies: {
+            type: 'array',
+            items: {
+                type: 'object',
+                additionalProperties: false,
+                required: ['feature'],
+                properties: {
+                    feature: {
+                        description: 'The name of the parent feature',
+                        type: 'string',
+                        example: 'some-feature',
+                    },
+                    enabled: {
+                        description:
+                            'Whether the parent feature is enabled or not',
+                        type: 'boolean',
+                        example: true,
+                    },
+                    variants: {
+                        description:
+                            'The list of variants the parent feature should resolve to. Only valid when feature is enabled.',
+                        type: 'array',
+                        items: {
+                            example: 'some-feature-blue-variant',
+                            type: 'string',
+                        },
+                    },
+                },
+            },
+            description:
+                'The list of parent dependencies. This is an experimental field and may change.',
+        },
+    },
+    components: {
+        schemas: {
+            constraintSchema,
+            featureEnvironmentSchema,
+            featureStrategySchema,
+            strategyVariantSchema,
+            overrideSchema,
+            parametersSchema,
+            variantSchema,
+            tagSchema,
+        },
+    },
+} as const;
+
+export type FeatureSearchResponseSchema = FromSchema<
+    typeof featureSearchResponseSchema
+>;
diff --git a/src/lib/openapi/spec/index.ts b/src/lib/openapi/spec/index.ts
index cdd1b2d4d284..1ca36013b83a 100644
--- a/src/lib/openapi/spec/index.ts
+++ b/src/lib/openapi/spec/index.ts
@@ -170,3 +170,4 @@ export * from './validate-archive-features-schema';
 export * from './search-features-schema';
 export * from './feature-search-query-parameters';
 export * from './feature-type-count-schema';
+export * from './feature-search-response-schema';
diff --git a/src/lib/openapi/spec/search-features-schema.ts b/src/lib/openapi/spec/search-features-schema.ts
index 30c93605e94d..60edf6ef5550 100644
--- a/src/lib/openapi/spec/search-features-schema.ts
+++ b/src/lib/openapi/spec/search-features-schema.ts
@@ -3,11 +3,11 @@ import { parametersSchema } from './parameters-schema';
 import { variantSchema } from './variant-schema';
 import { overrideSchema } from './override-schema';
 import { featureStrategySchema } from './feature-strategy-schema';
-import { featureSchema } from './feature-schema';
 import { constraintSchema } from './constraint-schema';
 import { featureEnvironmentSchema } from './feature-environment-schema';
 import { strategyVariantSchema } from './strategy-variant-schema';
 import { tagSchema } from './tag-schema';
+import { featureSearchResponseSchema } from './feature-search-response-schema';
 
 export const searchFeaturesSchema = {
     $id: '#/components/schemas/searchFeaturesSchema',
@@ -19,10 +19,10 @@ export const searchFeaturesSchema = {
         features: {
             type: 'array',
             items: {
-                $ref: '#/components/schemas/featureSchema',
+                $ref: '#/components/schemas/featureSearchResponseSchema',
             },
             description:
-                'The full list of features in this project (excluding archived features)',
+                'The full list of features in this project matching search and filter criteria.',
         },
         total: {
             type: 'number',
@@ -33,7 +33,7 @@ export const searchFeaturesSchema = {
     },
     components: {
         schemas: {
-            featureSchema,
+            featureSearchResponseSchema,
             constraintSchema,
             featureEnvironmentSchema,
             featureStrategySchema,