post request with express code example

Example 1: express get url parameters

app.get('/path/:name', function(req, res) {
  res.send("tagId is set to " + req.params.name);
});

Example 2: node express post request json

var express = require('express');

var app = express();

app.use(express.json()); // built-in middleware for express

app.post('/', function(request, response){
 	let myJson = request.body;      // your JSON
	let myValue = request.body.myKey;	// a value from your JSON
	response.send(myJson);	 // echo the result back
});

app.listen(3000);