How is an HTTP POST request made in node.js?

To make an outbound HTTP POST request with data in Node.js, you can use the built-in http or https modules or a library like axios or node-fetch for simplicity.

1. Using the https mode

const https = require('https');
const data = JSON.stringify({
    title: 'foo',
    body: 'bar',
    userId: 1,
});

const options = {
    hostname: 'jsonplaceholder.typicode.com',
    path: '/posts',
    method: 'POST',
    headers: {
        'Content-Type': 'application/json',
        'Content-Length': data.length,
    },
};
const req = https.request(options, (res) => {
    let responseBody = '';
    res.on('data', (chunk) => {
        responseBody += chunk;
    });
    res.on('end', () => {
        console.log('Response:', JSON.parse(responseBody));
    });
});
req.on('error', (error) => {
    console.error(`Error: ${error.message}`);
});

// Write data to the request body
req.write(data);
req.end();

2. Using axios

const axios = require('axios');

const data = {
    title: 'foo',
    body: 'bar',
    userId: 1,
};

axios.post('https://jsonplaceholder.typicode.com/posts', data)
    .then((response) => {
        console.log('Response:', response.data);
    })
    .catch((error) => {
        console.error('Error:', error.message);
    });

3. Using node-fetch

const fetch = require('node-fetch');
const data = {
    title: 'foo',
    body: 'bar',
    userId: 1,
};
fetch('https://jsonplaceholder.typicode.com/posts', {
    method: 'POST',
    headers: {
        'Content-Type': 'application/json',
    },
    body: JSON.stringify(data),
})
    .then((response) => response.json())
    .then((data) => {
        console.log('Response:', data);
    })
    .catch((error) => {
        console.error('Error:', error.message);
    });

4. Using the request Library

const request = require('request');
const data = {
    title: 'foo',
    body: 'bar',
    userId: 1,
};
const options = {
    url: 'https://jsonplaceholder.typicode.com/posts',
    method: 'POST',
    json: true,
    body: data,
};
request(options, (error, response, body) => {
    if (error) {
        console.error('Error:', error);
    } else {
        console.log('Response:', body);
    }
});