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Platform · WhatsApp Business API

The Official WhatsApp Business API by LetsBot

Connect your store, website or CRM to the official WhatsApp Business API with LetsBot, a Meta Business Partner, and send alerts, campaigns and AI replies.

  • 99.9% API Uptime
  • <100ms Response Time
  • RESTful API Design
POST /api/v1/message/send

Request

curl -X POST \
  https://letsbot.net/api/v1/message/send \
  -H "Authorization: Bearer $LB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "phone": "966501234567",
    "body": "Your order #1024 has shipped."
  }'

Example response 200 OK

{
  "success": true,
  "message": "The message has been successfully sent.",
  "data": {
    "key": {
      "remoteJid": "966501234567@s.whatsapp.net",
      "fromMe": true,
      "id": "wamid.HBgLMTIzNDU2Nzg5MBUTQ"
    },
    "status": "PENDING"
  }
}
Illustrative example: the response shape differs between official and QR-linked channels. Full reference in the API documentation.

Overview

What is the WhatsApp Business API?

The WhatsApp Business API is the official, Meta-approved programming interface that lets medium and large businesses connect WhatsApp to their own systems and apps — beyond the limits of the standard app.

With the WhatsApp Business API you send automated order alerts, run an AI bot, manage multi-agent support conversations and launch large-scale campaigns — all on an official, verified, ban-protected number.

  • An official green-verified number
  • Approved template messages & interactive buttons
  • An AI bot with full automation
  • CRM & store integration via webhooks
  • Official, structured bulk messaging
  • Real-time analytics & reports

Capabilities

Powerful API Features

Comprehensive tools and endpoints designed to integrate WhatsApp Business seamlessly with your applications

Activate Smart Customer Service.

Make your interaction with your customers smarter by using the Lets Bot API to guide them and respond to their inquiries instantly and in a personalized manner. Harness the power of this technology to enhance customer service and improve their experience.

Increase your sales with Lets Bot.

Direct your marketing and sales strategy towards success using the Lets Bot API. Integrate it into your system to provide personalized product recommendations and effectively boost sales, increasing your business revenue.

Directly communicate with your customers

Benefit from direct interaction with your customers through text messages via the Letsbot platform. This enables you to enhance customer experience and improve the overall quality of service you provide to them

Enhance customer interaction with LetsBot.

Benefit from LetsBot's WhatsApp API technology to enhance customer interaction and increase brand loyalty. Make your communication with customers more interactive and personalized through the LetsBot platform to achieve greater success in the market.

Template & interactive messages

Send Meta-approved template messages, interactive buttons and lists over the WhatsApp Business API — for order alerts, confirmations and campaigns, officially and safely.

Webhooks & real-time integration

Receive message updates and delivery statuses in real time via webhooks, and connect the WhatsApp Business API to your CRM or online store seamlessly.

The official channel

Why the official API?

The gap between the official channel and grey methods is the gap between safe growth and a number that can be banned at any moment.

Official WhatsApp Business API

  • Official green-verified number
  • Full protection against bans
  • Approved template & interactive messages
  • Full compliance with Meta policies
  • Official support & documentation

Unofficial methods

  • A number that can be banned anytime
  • No verification badge
  • No approved template messages
  • Violates WhatsApp's terms of use
  • Data and support not guaranteed

Documentation

A comprehensive guide that includes information about using the Lets bot API for developers

Everything you need to get started with our powerful API, from authentication to advanced integration patterns.

API Documentation

Get started in three steps

  1. Create your account

    Sign up for LetsBot and connect your business WhatsApp number.

  2. Copy your API key

    Find your channel’s key in the dashboard under API, and send it in the Authorization header with every request.

    Authorization: Bearer <lb_api_key>
  3. Send your first message

    One POST request with the recipient’s number and the text:

    POST /api/v1/message/send

Frequently asked questions

Can frequently asked questions help you get the best experience suitable for your business needs

What is WhatsApp Business API?

WhatsApp Business API is an official solution from Meta that allows businesses to integrate WhatsApp messaging into their systems and applications. It enables automated responses, bulk messaging, and integration with CRM systems.

How do I get started with the API?

Getting started is simple: 1) Create an account with LetsBot, 2) Verify your business with Meta, 3) Get your API credentials, 4) Integrate using our documentation, 5) Start sending messages. Our support team is available to help you through each step.

Do I need a Meta Business verified account?

Yes, to use WhatsApp Business API, you need a verified Meta Business account. This ensures security and compliance with WhatsApp policies. We can guide you through the verification process.

What are the message limits?

There are two separate limits. The first is your LetsBot plan allowance, which is monthly: from 12,000 messages per month on Starter up to 200,000 on Professional, with an Unlimited plan available. The second is Meta's own messaging tier, which is per 24 hours and depends on your number's quality rating: new numbers start at 1,000 conversations a day and the tier rises automatically with good performance until it becomes unlimited. We help you optimise your messaging to keep that quality rating high.

Does the API support multimedia messages?

Yes! WhatsApp Business API supports images, videos, documents, audio files, and location sharing. You can send rich media content to enhance customer engagement.

How does pricing work?

Pricing includes two components: 1) LetsBot platform fees based on your plan, 2) Meta conversation charges based on message volume and type. We offer transparent pricing with no hidden fees. Contact us for a customized quote.

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