API Documentation & Integration Guide

Authentication Headers

Request Body (Supported Formats)

{
  "to": "919876543210",
  "message": "Hello World! 🚀",
  "humanize": true
}

{
  "messaging_product": "whatsapp",
  "to": "919876543210",
  "type": "document",
  "document": {
    "link": "https://example.com/invoice.pdf",
    "caption": "Your monthly invoice",
    "filename": "invoice.pdf"
  }
}

{
  "to": "919876543210",
  "type": "image",
  "media_url": "https://example.com/photo.jpg",
  "caption": "Photo from API! 📸"
}

curl -X POST "https://api.fworld.site/api/send.php" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY_HERE" \
  -d '{
    "to": "919876543210",
    "message": "Hello from WhatsApp API Hub! 🚀",
    "humanize": true
  }'

curl -X POST "https://api.fworld.site/api/send.php" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY_HERE" \
  -d '{
    "messaging_product": "whatsapp",
    "recipient_type": "individual",
    "to": "919876543210",
    "type": "text",
    "text": {
      "preview_url": false,
      "body": "Hello via Meta Cloud API format! 🌐"
    }
  }'

curl -X POST "https://api.fworld.site/api/send.php" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY_HERE" \
  -d '{
    "to": "919876543210",
    "type": "image",
    "media_url": "https://example.com/invoice-1024.jpg",
    "caption": "Your payment receipt has been verified! 🧾"
  }'

curl -X POST "https://api.fworld.site/api/send.php" \
  -H "X-API-Key: YOUR_API_KEY_HERE" \
  -F "to=919876543210" \
  -F "file=@/path/to/annual_report.pdf" \
  -F "caption=Attached is the annual financial statement."

import requests

url = "https://api.fworld.site/api/send.php"
headers = {
    "Content-Type": "application/json",
    "X-API-Key": "YOUR_API_KEY_HERE"
}
payload = {
    "to": "919876543210",
    "message": "Hello from Python! 🐍",
    "humanize": True
}

response = requests.post(url, json=payload, headers=headers, timeout=15)
print(response.json())

const response = await fetch("https://api.fworld.site/api/send.php", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "X-API-Key": "YOUR_API_KEY_HERE"
  },
  body: JSON.stringify({
    to: "919876543210",
    message: "Order confirmed via Node.js! ⚡",
    humanize: true
  })
});

const data = await response.json();
console.log(data);

$payload = [
    'to' => '919876543210',
    'message' => 'Hello from PHP Client! 🐘',
    'humanize' => true
];

$ch = curl_init("https://api.fworld.site/api/send.php");
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Content-Type: application/json',
        'X-API-Key: YOUR_API_KEY_HERE'
    ],
    CURLOPT_POSTFIELDS => json_encode($payload)
]);

$response = curl_exec($ch);
curl_close($ch);
echo $response;

package main

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"net/http"
)

func main() {
	payload, _ := json.Marshal(map[string]interface{}{
		"to":       "919876543210",
		"message":  "Instant alert via Go! 🐹",
		"humanize": true,
	})

	req, _ := http.NewRequest("POST", "https://api.fworld.site/api/send.php", bytes.NewBuffer(payload))
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("X-API-Key", "YOUR_API_KEY_HERE")

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}