docs(custom_pricing.md): add disclaimer on pricing in custom pricing docs

docs/my-website/docs/proxy/custom_pricing.md

@@ -10,6 +10,12 @@ There's 2 ways to track cost:
 
 By default, the response cost is accessible in the logging object via `kwargs["response_cost"]` on success (sync + async). [**Learn More**](../observability/custom_callback.md)
 
+:::info
+
+LiteLLM already has pricing for any model in our [model cost map](https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json). 
+
+:::
+
 ## Quick Start 
 
 Register custom pricing for sagemaker completion model. 

ui/litellm-dashboard/src/components/networking.tsx

@@ -179,6 +179,26 @@ export const userSpendLogsCall = async (
       url = `${url}/?start_date=${startTime}&end_date=${endTime}`;
     }
     const response = await fetch(url, {
+      method: "GET",
+      headers: {
+        Authorization: `Bearer ${accessToken}`,
+        "Content-Type": "application/json",
+      },
+    });
+    if (!response.ok) {
+      const errorData = await response.text();
+      message.error(errorData);
+      throw new Error("Network response was not ok");
+    }
+
+    const data = await response.json();
+    console.log(data);
+    return data;
+  } catch (error) {
+    console.error("Failed to create key:", error);
+    throw error;
+  }
+};
 
 export const spendUsersCall = async (accessToken: String, userID: String) => {
   try {