Vercel Serverless functions | Zander's Code Notes

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Basic example Jump to heading

With JavaScript Jump to heading

// /api/test.js
const handler = (request, response) => {
  response.status(200).json({
    body: request.body,
    query: request.query,
    cookies: request.cookies,
  })
}

export default handler

With TypeScript Jump to heading

// /api/test.ts
import { VercelApiHandler } from './types'

const handler: VercelApiHandler = (request, response) => {
  response.status(200).json({
    body: request.body,
    query: request.query,
    cookies: request.cookies,
  })
}

export default handler

Enabling CORS Jump to heading

https://vercel.com/support/articles/how-to-enable-cors

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