ai/src/ui-message-stream/ui-message-stream-headers.ts

AI SDK by Vercel - build apps like ChatGPT, Claude, Gemini, and more with a single interface for any model using the Vercel AI Gateway or go direct to OpenAI, Anthropic, Google, or any other model provider.

export const UI_MESSAGE_STREAM_HEADERS = {
  'content-type': 'text/event-stream',
  'cache-control': 'no-cache',
  connection: 'keep-alive',
  'x-vercel-ai-ui-message-stream': 'v1',
  'x-accel-buffering': 'no', // disable nginx buffering
};