diff --git a/src/lib/openapi/index.ts b/src/lib/openapi/index.ts
index c6020945a2..fb04033264 100644
--- a/src/lib/openapi/index.ts
+++ b/src/lib/openapi/index.ts
@@ -30,7 +30,6 @@ import { environmentSchema } from './spec/environment-schema';
 import { environmentsSchema } from './spec/environments-schema';
 import { eventSchema } from './spec/event-schema';
 import { eventsSchema } from './spec/events-schema';
-import { exportParametersSchema } from './spec/export-parameters-schema';
 import { featureEnvironmentMetricsSchema } from './spec/feature-environment-metrics-schema';
 import { featureEnvironmentSchema } from './spec/feature-environment-schema';
 import { featureEventsSchema } from './spec/feature-events-schema';
@@ -134,7 +133,6 @@ export const schemas = {
     environmentsSchema,
     eventSchema,
     eventsSchema,
-    exportParametersSchema,
     featureEnvironmentMetricsSchema,
     featureEnvironmentSchema,
     featureEventsSchema,
diff --git a/src/lib/openapi/spec/export-parameters-schema.ts b/src/lib/openapi/spec/export-parameters-schema.ts
index 78ba4ba78a..8ec54a5f32 100644
--- a/src/lib/openapi/spec/export-parameters-schema.ts
+++ b/src/lib/openapi/spec/export-parameters-schema.ts
@@ -1,8 +1,9 @@
 import { FromSchema } from 'json-schema-to-ts';
+import { OpenAPIV3 } from 'openapi-types';
 import { createQueryParameters } from '../util/query-parameters';
 import { Parameters } from '../util/query-parameters';
 
-const exportParameters: Parameters = {
+const exportParameters = {
     format: {
         type: 'string',
         enum: ['json', 'yaml'],
@@ -44,10 +45,109 @@ const exportParameters: Parameters = {
         description:
             'Whether environments should be included in the exported data.',
     },
+} as const;
+
+type ExportParams = typeof exportParameters;
+
+type Mutable = {
+    [Property in keyof ExportParams]: { type: ExportParams[Property]['type'] };
 };
 
+const p = {
+    $id: 'th',
+    type: 'object',
+    properties: createQueryParameters(exportParameters).reduce(
+        (acc, next: OpenAPIV3.ParameterObject) => ({
+            ...acc,
+            [next.name]: {
+                type: (next.schema as OpenAPIV3.SchemaObject).type,
+            },
+        }),
+        {} as Partial<Mutable>,
+    ) as Mutable,
+} as const;
+
+export type ExpType = FromSchema<typeof p>;
+
 export const exportQueryParameters = createQueryParameters(exportParameters);
 
+const s = {
+    $id: '#/components/schemas/exportParametersSchema2',
+    parameters: [
+        {
+            name: 'format',
+            description:
+                'Desired export format. Must be either `json` or `yaml`.',
+            schema: {
+                type: 'string',
+                enum: ['json', 'yaml'],
+                default: 'json',
+            },
+            in: 'query',
+        },
+        {
+            name: 'download',
+            description:
+                'Whether exported data should be downloaded as a file.',
+            schema: {
+                type: 'boolean',
+                default: false,
+            },
+            in: 'query',
+        },
+        {
+            name: 'strategies',
+            description:
+                'Whether strategies should be included in the exported data.',
+            schema: {
+                type: 'boolean',
+                default: true,
+            },
+            in: 'query',
+        },
+        {
+            name: 'featureToggles',
+            description:
+                'Whether feature toggles should be included in the exported data.',
+            schema: {
+                type: 'boolean',
+                default: true,
+            },
+            in: 'query',
+        },
+        {
+            name: 'projects',
+            description:
+                'Whether projects should be included in the exported data.',
+            schema: {
+                type: 'boolean',
+                default: true,
+            },
+            in: 'query',
+        },
+        {
+            name: 'tags',
+            description:
+                'Whether tag types, tags, and feature_tags should be included in the exported data.',
+            schema: {
+                type: 'boolean',
+                default: true,
+            },
+            in: 'query',
+        },
+        {
+            name: 'environments',
+            description:
+                'Whether environments should be included in the exported data.',
+            schema: {
+                type: 'boolean',
+                default: true,
+            },
+            in: 'query',
+        },
+    ],
+} as const;
+
 export const exportParametersSchema = {
     $id: '#/components/schemas/exportParametersSchema',
     type: 'object',
diff --git a/src/lib/openapi/util/query-parameters.ts b/src/lib/openapi/util/query-parameters.ts
index 60691d1360..eeecd9fb2f 100644
--- a/src/lib/openapi/util/query-parameters.ts
+++ b/src/lib/openapi/util/query-parameters.ts
@@ -2,14 +2,14 @@ import { OpenAPIV3 } from 'openapi-types';
 
 export type ParameterType = OpenAPIV3.NonArraySchemaObjectType;
 
-export type ParameterDetails<U> = {
+export type ParameterDetails<U> = Readonly<{
     description: string;
     type: ParameterType;
     required?: boolean;
     default?: U;
-    enum?: [U, ...U[]];
+    enum?: Readonly<[U, ...U[]]>;
     example?: U;
-};
+}>;
 
 export type Parameters = {
     [parameterName: string]: ParameterDetails<unknown>;
@@ -25,7 +25,7 @@ export const toParamObject = (
     required: details.required,
     schema: {
         type: details.type,
-        enum: details.enum,
+        enum: details.enum as unknown as any[],
         default: details.default,
     },
     in: 'query',
diff --git a/src/lib/routes/admin-api/state.ts b/src/lib/routes/admin-api/state.ts
index a76ee05b54..324644a29c 100644
--- a/src/lib/routes/admin-api/state.ts
+++ b/src/lib/routes/admin-api/state.ts
@@ -17,6 +17,7 @@ import { createResponseSchema } from '../../openapi/util/create-response-schema'
 import {
     exportQueryParameters,
     ExportParametersSchema,
+    ExpType,
 } from '../../openapi/spec/export-parameters-schema';
 import { emptyResponse } from '../../openapi/util/standard-responses';
 
@@ -113,7 +114,7 @@ class StateController extends Controller {
     }
 
     async export(
-        req: Request<unknown, unknown, unknown, ExportParametersSchema>,
+        req: Request<unknown, unknown, unknown, ExpType>,
         res: Response,
     ): Promise<void> {
         const { format } = req.query;