Setup Firebase Function

firebase init

firebase emulators:start --only functions

get Data From Body & Param

exports.getParam = functions.https.onRequest((request, response) => {
  const param = request.query.email;
  const body = request.body.nama;
  response.send(`Param: ${param} Body: ${body}`);
});

Deploy

firebase deploy --only functions

Fake REST API

https://jsonplaceholder.typicode.com/