diff --git a/src/openapi-ts.config.mts b/src/openapi-ts.config.mts
index 6958847..839fcfd 100644
--- a/src/openapi-ts.config.mts
+++ b/src/openapi-ts.config.mts
@@ -77,6 +77,14 @@ export default defineConfig(
             // Use PascalCase for schema names
             case: "PascalCase",
 
+            dates: {
+              // Allow datetimes without timezone
+              local: true,
+
+              // Allow datetimes with offset timezone
+              offset: true,
+            },
+
             definitions: {
               name: "{{name}}Schema",
             },
diff --git a/src/src/common/apis/icanhazdadjoke/client/clnt.ts b/src/src/common/apis/icanhazdadjoke/client/clnt.ts
index 664cbc4..f06e785 100644
--- a/src/src/common/apis/icanhazdadjoke/client/clnt.ts
+++ b/src/src/common/apis/icanhazdadjoke/client/clnt.ts
@@ -182,10 +182,16 @@ export const createClient = (config: Config = {}): Client => {
         case "arrayBuffer":
         case "blob":
         case "formData":
-        case "json":
         case "text":
           data = await response[parseAs]();
           break;
+        case "json": {
+          // Some servers return 200 with no Content-Length and empty body.
+          // response.json() would throw; read as text and parse if non-empty.
+          const text = await response.text();
+          data = text ? JSON.parse(text) : {};
+          break;
+        }
         case "stream":
           return opts.responseStyle === "data"
             ? response.body
@@ -267,6 +273,10 @@ export const createClient = (config: Config = {}): Client => {
           }
           return request;
         },
+        serializedBody: getValidRequestBody(opts) as
+          | BodyInit
+          | null
+          | undefined,
         url,
       });
     };
diff --git a/src/src/common/apis/icanhazdadjoke/schemas.ts b/src/src/common/apis/icanhazdadjoke/schemas.ts
index 58458d3..186a99c 100644
--- a/src/src/common/apis/icanhazdadjoke/schemas.ts
+++ b/src/src/common/apis/icanhazdadjoke/schemas.ts
@@ -1,6 +1,6 @@
 // This file is auto-generated by @hey-api/openapi-ts
 
-import { z } from "zod";
+import * as z from "zod";
 
 /**
  * Success response payload for getting a random joke