WACloud API

Connect customer messaging to the tools you already use.

Use WACloud APIs and webhooks to connect messaging workflows with your website, CRM, ecommerce store, or internal system.

Open current API docs Ask an integration question

Send a message

Authorization: API-Key YOUR_API_KEY
Content-Type: application/json

POST /v1/messages/send

{
  "instance_id": "YOUR_INSTANCE_ID",
  "recipient": "CUSTOMER_NUMBER",
  "message": "Your update is ready"
}

A clear integration path

Build in three steps.

Use the current documentation for exact schemas and responses; this page keeps the journey simple.

01
Get your API credentials
Create the credentials for your WACloud account and keep them on your server.
02
Connect a WhatsApp number
Use the Business API or QR Code method that matches your workflow.
03
Send and listen for events
Call the messaging endpoint and use webhooks where your workflow needs status or incoming events.

Integration building blocks

Messages in. Business events out.

Keep the portal for people and connect your own system for repeatable, event-driven work.

API

Send from your system

Trigger customer messages from the software your business already runs.

Webhooks

React to events

Use incoming events to keep your workflow and records moving.

Portal

Keep people in control

Let your team monitor and manage the messaging work from WACloud.

Developer note

Use the live documentation as the source of truth.

Endpoints, request fields, authentication details, and responses can evolve. Confirm the current docs before going to production.

Open API docs

Need a hand?

Talk through your integration.

Tell WACloud what you want to connect and which customer event should trigger a message.

Start free trial Compare API limits

Preserved live content

Current technical API reference

WaCloud API Docs

Join our mission to empower businesses worldwide with seamless WhatsApp communication. Earn generous commissions while helping companies grow.

Quick Start Guide

Get up and running with WaCloud API in minutes

1. Get Your API Key

2. Make Your First Call

Use our REST API endpoints to send your first WhatsApp message programmatically.

3. Scale Your Integration

Implement webhooks, handle responses, and scale your messaging to thousands of users.

Code Examples

Ready-to-use code examples in popular programming languages

curl -X POST https://api.wacloud.app/v1/messages/send \
  -H "Authorization: API-Key YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "recipient": "88017xxxxxxxx",
  "content": "Hello from the WhatsApp API",
  "media_url": "https://example.com/yourmedia.pdf",
  "instance_id": "QRLKQ28424D5E38",
}'

const response = await fetch('https://api.wacloud.app/v1/messages/send', {
  method: 'POST',
  headers: {
    'Authorization': 'API-Key YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify(

{
  "recipient": "88017xxxxxxxx",
  "content": "Hello from the WhatsApp API",
  "media_url": "https://example.com/yourmedia.pdf",
  "instance_id": "QRLKQ28424D5E38",
}

) }); const result = await response.json(); console.log(result);

import requests

url = "https://api.wacloud.app/v1/messages/send"
headers = {
    "Authorization": "API-Key YOUR_API_KEY",
    "Content-Type": "application/json"
}
data =

{
  "recipient": "88017xxxxxxxx",
  "content": "Hello from the WhatsApp API",
  "media_url": "https://example.com/yourmedia.pdf",
  "instance_id": "QRLKQ28424D5E38",
}

response = requests.post(url, headers=headers, json=data) result = response.json() print(result)

<?php
$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => 'https://api.wacloud.app/v1/messages/send',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_POST => true,
  CURLOPT_HTTPHEADER => array(
    'Authorization: API-Key YOUR_API_KEY',
    'Content-Type: application/json'
  ),
  CURLOPT_POSTFIELDS => json_encode(array(
    'recipient' => '+1234567890',
    'content' => 'Hello from WaCloud!',
    'instance_id' => 'QRLKQ28424D5E38',
    'media_url' => 'https://example.com/yourmedia.pdf'
  ))
));

$response = curl_exec($curl);
curl_close($curl);

$result = json_decode($response, true);
print_r($result);
?>

Authentication

WaCloud API uses Bearer token authentication. Include your API key in the Authorization header of every request.

Authorization Header

Authorization: API-Key YOUR_API_KEY_HERE

🟢 Success Response

{
"success": true,
"message": "Message sent successfully!",
"code": 200
}

🔴 Error Response

{
"success": false,
"message": "Failed to send message.",
"code": 400
}

Ready to Start Building?

Get your API key and start integrating WaCloud into your applications today.