Post method

index.js

const app = express();
const port = 3000;

app.post("/analyze_message", async (req, res) => {
  const body = req.body;
  const parsedBody = JSON.parse(body);
  var channelUrl = parsedBody.channel.channel_url;
  var message = parsedBody.payload.message;
  var senderId = parsedBody.sender.user_id;
  testToxicity(message, channelUrl, senderId);
  res.send(parsedBody);
});