Try It Yourself - SyntaxStudy Editor

HTML / CSS / JS

const express = require('express');
const app     = express();
app.use(express.json());
app.use(require('cookie-parser')());

app.post('/inspect/:version/data', (req, res) => {
    console.log('params  :', req.params);   // { version: 'v1' }
    console.log('query   :', req.query);    // { debug: 'true' }
    console.log('body    :', req.body);     // parsed JSON object
    console.log('ip      :', req.ip);
    console.log('method  :', req.method);   // POST
    console.log('path    :', req.path);     // /inspect/v1/data
    console.log('baseUrl :', req.baseUrl);  // '' (top-level app)
    console.log('headers :', req.headers);

// Safe header access
    const contentType  = req.get('Content-Type');
    const acceptsJson  = req.accepts('application/json');
    const isJson       = req.is('application/json');

res.json({
        version:     req.params.version,
        debug:       req.query.debug === 'true',
        contentType,
        acceptsJson,
        isJson,
    });
});

app.listen(3000);