Here's the README.md file updated with the package name "bulk-zap":

# bulk-zap

bulk-zap is an npm package that enables you to send bulk messages via WhatsApp using the Twilio API.

## Installation

To install bulk-zap, you can use npm:

```bash
npm install bulk-zap

Usage

const BulkZap = require('bulk-zap');

// Initialize BulkZap with your Twilio credentials and WhatsApp number
const bulkZapClient = new BulkZap(accountSid, authToken, fromNumber);

// Define your message
const messages = "Your message goes here.";

// Specify the numbers you want to send messages to
const toNumbers = ["recipientNumber1", "recipientNumber2", ...];

// Send bulk messages
bulkZapClient.sendBulkMessages(messages, toNumbers)
  .then(response => {
    console.log("Messages sent successfully:", response);
  })
  .catch(error => {
    console.error("Error sending messages:", error);
  });

Constructor

BulkZap(accountSid, authToken, fromNumber)

• accountSid (string): Your Twilio Account SID.
• authToken (string): Your Twilio Auth Token.
• fromNumber (string): Your WhatsApp-enabled Twilio phone number.

Method

sendBulkMessages(messages, toNumbers)

Sends bulk messages to specified WhatsApp numbers.

• messages (string): The message you want to send.
• toNumbers (array of strings): An array of recipient WhatsApp numbers.

Example

const BulkZap = require('bulk-zap');

const bulkZapClient = new BulkZap('your_account_sid', 'your_auth_token', 'your_whatsapp_number');

const messages = "Hello from bulk-zap!";
const toNumbers = ["recipientNumber1", "recipientNumber2"];

bulkZapClient.sendBulkMessages(messages, toNumbers)
  .then(response => {
    console.log("Messages sent successfully:", response);
  })
  .catch(error => {
    console.error("Error sending messages:", error);
  });

License

This project is licensed under the MIT License - see the LICENSE.md file for details.

Make sure to replace `"your_account_sid"`, `"your_auth_token"`, and `"your_whatsapp_number"` with your actual Twilio credentials and phone number. Additionally, include a `LICENSE.md` file with appropriate licensing information.