Step 1: Sign up for a Fast2SMS Account Go to the Fast2SMS website (https://www.fast2sms.com/) and sign up for an account. Once you’re logged in, go to your dashboard and navigate to the API section to get your API key. Step 2: Set Up Your Node.js Project Create a new directory for your project and open a terminal or command prompt in that directory. mkdir fast2sms-integration || cd fast2sms-integration || npm init -y Step 3: Install the axios package axios is a popular HTTP client for making requests. You’ll use it to send requests to the Fast2SMS API. npm install axios Step 4: Write the Node.js Code Create a file named sendSMS.js and add the following code: Make sure to replace 'YOUR_API_KEY' with your actual Fast2SMS API key and 'SENDER_ID' with the sender ID you want to use. Step 5: Run the Code Open your terminal or command prompt and run the following command to execute the script: Run Command node sendSMS.js