diff --git a/web/tenant/src/utils/playgroundApi.ts b/web/tenant/src/utils/playgroundApi.ts
new file mode 100644
index 0000000..26605a4
--- /dev/null
+++ b/web/tenant/src/utils/playgroundApi.ts
@@ -0,0 +1,41 @@
+import axios from 'axios'
+import type { AxiosInstance } from 'axios'
+
+/**
+ * createPlaygroundApi 创建一个独立的 axios 实例，用于 Playground 直接调用 /v1/* 端点。
+ *
+ * 与主 request.ts 的区别：
+ * - 使用 API Key（sk-xxx）认证，而非 JWT
+ * - 不走统一响应格式拦截（/v1/* 返回原生 OpenAI 格式）
+ * - 错误格式为 {error: {type, message}}
+ */
+export function createPlaygroundApi(apiKey: string): AxiosInstance {
+	const instance = axios.create({
+		timeout: 60_000,
+		headers: {
+			'Content-Type': 'application/json',
+			'Authorization': `Bearer ${apiKey}`,
+		},
+	})
+
+	instance.interceptors.response.use(
+		(response) => response,
+		(error) => {
+			// 解析 OpenAI 错误格式: {error: {type, message, code}}
+			if (error.response?.data?.error) {
+				const relayError = error.response.data.error
+				const msg = relayError.message || '请求失败'
+				const err = new Error(msg)
+				;(err as any).relayError = relayError
+				return Promise.reject(err)
+			}
+			// 网络或其它错误
+			if (!error.response) {
+				return Promise.reject(new Error('网络连接异常，请稍后重试'))
+			}
+			return Promise.reject(error)
+		},
+	)
+
+	return instance
+}