diff --git a/src/pages/api/diffData.ts b/src/pages/api/diffData.ts
new file mode 100644
index 0000000..53b0961
--- /dev/null
+++ b/src/pages/api/diffData.ts
@@ -0,0 +1,31 @@
+import type { NextApiRequest, NextApiResponse } from 'next';
+import OpenAI from 'openai';
+import { LLMRequest, LLMResponse } from '../../types';
+
+const openai = new OpenAI({
+  apiKey: process.env.OPENAI_API_KEY,
+  baseURL: 'https://oai.hconeai.com/v1',
+  defaultHeaders: {
+    'Helicone-Cache-Enabled': 'true',
+    'Helicone-Auth': `Bearer ${process.env.HELICONE_API_KEY}`,
+  },
+});
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse<LLMResponse | { error: string }>
+) {
+  const auth = req.headers.authorization;
+  if (!auth || auth !== `Bearer ${process.env.NEXT_PUBLIC_LLM_API_KEY}`) {
+    res.status(401).json({ error: 'Unauthorized' });
+    return;
+  }
+  const llmRequest: LLMRequest = req.body;
+  console.log(`LLM middleware: got request: ${JSON.stringify(llmRequest)}`);
+  const completion = await openai.chat.completions.create(
+    llmRequest.completion_create
+  );
+  console.log(`LLM middleware: got completion: ${JSON.stringify(completion)}`);
+  const response: LLMResponse = { completion };
+  res.status(200).json(response);
+}
diff --git a/src/pages/api/otherData.ts b/src/pages/api/otherData.ts
new file mode 100644
index 0000000..b12eaae
--- /dev/null
+++ b/src/pages/api/otherData.ts
@@ -0,0 +1,31 @@
+import { NextApiRequest, NextApiResponse } from 'next';
+import OpenAI from 'openai';
+import { LLMRequest, LLMResponse } from '../../types';
+
+const openai = new OpenAI({
+  apiKey: process.env.OPENAI_API_KEY,
+  baseURL: 'https://oai.hconeai.com/v1',
+  defaultHeaders: {
+    'Helicone-Cache-Enabled': 'true',
+    'Helicone-Auth': `Bearer ${process.env.HELICONE_API_KEY}`,
+  },
+});
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse<LLMResponse | { error: string }>
+) {
+  const auth = req.headers.authorization;
+  if (!auth || auth !== `Bearer ${process.env.NEXT_PUBLIC_LLM_API_KEY}`) {
+    res.status(401).json({ error: 'Unauthorized' });
+    return;
+  }
+  const llmRequest: LLMRequest = req.body;
+  console.log(`LLM middleware: got request: ${JSON.stringify(llmRequest)}`);
+  const completion = await openai.chat.completions.create(
+    llmRequest.completion_create
+  );
+  console.log(`LLM middleware: got completion: ${JSON.stringify(completion)}`);
+  const response: LLMResponse = { completion };
+  res.status(200).json(response);
+}
\ No newline at end of file
diff --git a/src/pages/forms/fill/[id].tsx b/src/pages/forms/fill/[id].tsx
index c763e35..eeaf96d 100644
--- a/src/pages/forms/fill/[id].tsx
+++ b/src/pages/forms/fill/[id].tsx
@@ -99,7 +99,7 @@ export function InnerChat(props: {
     setMessages(messagesToSend);
     setInputValue('');
     setIsWaiting(true);
-    const assistantResponse = await callLLM(PROMPT_FILL(form), messagesToSend);
+    const assistantResponse = await callLLM(PROMPT_FILL(form), messagesToSend, '/api/diffData');
     if (assistantResponse instanceof Error) {
       setError(assistantResponse);
       return;
diff --git a/src/utils.ts b/src/utils.ts
index 0b5d4c3..33ea3bc 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -12,7 +12,8 @@ import { Database, Json } from '../types/supabase';
 
 export const callLLM = async (
   systemPrompt: string,
-  messages: ChatMessage[]
+  messages: ChatMessage[],
+  endpoint: string
 ) => {
   const data: LLMRequest = {
     completion_create: {
@@ -21,7 +22,7 @@ export const callLLM = async (
       messages: [{ role: 'system', content: systemPrompt }, ...messages],
     },
   };
-  const response = await fetch('/api/llm', {
+  const response = await fetch(endpoint, {
     method: 'POST',
     body: JSON.stringify(data),
     headers: {
@@ -35,7 +36,6 @@ export const callLLM = async (
   const json: LLMResponse = await response.json();
   return json.completion.choices[0].message;
 };
-
 export async function getUserFromSupabase(
   session: Session | null,
   supabase: SupabaseClient<Database>,
@@ -136,4 +136,4 @@ export const removeStartAndEndQuotes = (str: string | null) => {
     return str;
   }
   return str.replace(/^"(.*)"$/, '$1');
-};
+};
\ No newline at end of file