diff --git a/apps/meteor/app/api/server/ApiClass.spec.ts b/apps/meteor/app/api/server/ApiClass.spec.ts
index 4edc2dd12d23c..6e94afa417a8e 100644
--- a/apps/meteor/app/api/server/ApiClass.spec.ts
+++ b/apps/meteor/app/api/server/ApiClass.spec.ts
@@ -58,4 +58,23 @@ describe('ExtractRoutesFromAPI', () => {
 		>;
 		true as ExpectedFunctionSignature;
 	});
+	it('Should extract correct function signature when body is not present', () => {
+		type APIWithNeverQuery = APIClass<
+			'/v1',
+			{
+				method: 'POST';
+				path: '/v1/endpoint.test';
+				response: {
+					200: ValidateFunction<{
+						test: string[];
+					}>;
+				};
+				authRequired: true;
+			}
+		>;
+		type ExpectedFunctionSignature = Expect<
+			ShallowEqual<ExtractRoutesFromAPI<APIWithNeverQuery>['/v1/endpoint.test']['POST'], () => { test: string[] }>
+		>;
+		true satisfies ExpectedFunctionSignature;
+	});
 });
diff --git a/apps/meteor/app/api/server/ApiClass.ts b/apps/meteor/app/api/server/ApiClass.ts
index e81788e6ec4a9..7e26752c7bc69 100644
--- a/apps/meteor/app/api/server/ApiClass.ts
+++ b/apps/meteor/app/api/server/ApiClass.ts
@@ -84,7 +84,9 @@ type ConvertToRoute<TRoute extends MinimalRoute> = {
 				) => ExtractValidation<Extract<TRoute, { path: K; method: K2 }>['response'][200]>
 			: K2 extends 'POST'
 				? (
-						params: ExtractValidation<Extract<TRoute, { path: K; method: K2 }>['body']>,
+						...args: [ExtractValidation<Extract<TRoute, { path: K; method: K2 }>['body']>] extends [never]
+							? [params?: never]
+							: [params: ExtractValidation<Extract<TRoute, { path: K; method: K2 }>['body']>]
 					) => ExtractValidation<
 						200 extends keyof Extract<TRoute, { path: K; method: K2 }>['response']
 							? Extract<TRoute, { path: K; method: K2 }>['response'][200]