Cookbook · ScopeVeil

import OpenAI from 'openai';

export const runtime = 'edge';

const ai = new OpenAI({
  baseURL: 'https://gateway.scopeveil.com/v1',
  apiKey: process.env.SCOPEVEIL_KEY!,
});

export async function POST(req: Request) {
  const { prompt } = await req.json();

  const upstream = await ai.chat.completions.create({
    model: 'openai/gpt-4o-mini',
    stream: true,
    messages: [{ role: 'user', content: prompt }],
  });

  const encoder = new TextEncoder();
  const body = new ReadableStream({
    async start(controller) {
      for await (const chunk of upstream) {
        const token = chunk.choices[0]?.delta?.content ?? '';
        if (token) controller.enqueue(encoder.encode(token));
      }
      controller.close();
    },
  });

  return new Response(body, {
    headers: { 'Content-Type': 'text/plain; charset=utf-8' },
  });
}