const baseUrl = 'https://api.callr.com/v2.0/sms'
const apiKey = '<callr-api-key>' // Get your API key from https://app.callr.com/api/keys
const number = '+33639981020' // E.164 formatted phone number

const params = new URLSearchParams({
  to: number,
  trafficType: 'marketing'
})

const url = `${baseUrl}?${params.toString()}`

const options = {
  method: 'POST',
  headers: {
    accept: 'application/json',
    'content-type': 'application/json',
    'x-api-key': apiKey
  },
  body: JSON.stringify({ text: 'Hello world!' })
}

try {
  const res = await fetch(url, options)
  const json = await res.json()
  console.log(json)
} catch (err) {
  console.error(err)
}

import requests

api_key = '<callr-api-key>'  # Replace with your Callr API key
number = '+33639981020'      # Destination number (E.164 format)
text = 'Hello world!'

url = f'https://api.callr.com/v2.0/sms?to={number}&trafficType=marketing'
headers = {
    'accept': 'application/json',
    'content-type': 'application/json',
    'x-api-key': api_key
}
payload = {
    'text': text
}

try:
    response = requests.post(url, headers=headers, json=payload)
    response.raise_for_status()
    print(response.json())
except requests.exceptions.RequestException as e:
    print(f"Error sending SMS: {e}")

<?php

$apiKey = '<callr-api-key>'; // Replace with your Callr API key
$number = '+33639981020';     // Destination number
$text = 'Hello world!';

$url = 'https://api.callr.com/v2.0/sms?to=' . urlencode($number) . '&trafficType=marketing';

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'accept: application/json',
    'content-type: application/json',
    'x-api-key: ' . $apiKey
]);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(['text' => $text]));

$response = curl_exec($ch);
$err = curl_error($ch);
curl_close($ch);

if ($err) {
    echo "cURL Error: $err";
} else {
    echo $response;
}

package main

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

func main() {
	apiKey := "<callr-api-key>" // Replace with your Callr API key
	number := "+33639981020"
	text := "Hello world!"

	url := fmt.Sprintf("https://api.callr.com/v2.0/sms?to=%s&trafficType=marketing", number)

	payload := map[string]string{
		"text": text,
	}
	body, _ := json.Marshal(payload)

	req, _ := http.NewRequest("POST", url, bytes.NewBuffer(body))
	req.Header.Set("accept", "application/json")
	req.Header.Set("content-type", "application/json")
	req.Header.Set("x-api-key", apiKey)

	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		fmt.Println("Error sending SMS:", err)
		return
	}
	defer resp.Body.Close()

	var result map[string]interface{}
	json.NewDecoder(resp.Body).Decode(&result)
	fmt.Println(result)
}

using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        var apiKey = "<callr-api-key>"; // Replace with your Callr API key
        var number = "+33639981020";     // Destination number
        var text = "Hello world!";

        var client = new HttpClient();
        var url = $"https://api.callr.com/v2.0/sms?to={Uri.EscapeDataString(number)}&trafficType=marketing";

        var requestBody = new StringContent(
            "{\"text\":\"" + text + "\"}",
            Encoding.UTF8,
            "application/json"
        );

        client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
        client.DefaultRequestHeaders.Add("x-api-key", apiKey);

        try
        {
            var response = await client.PostAsync(url, requestBody);
            var responseContent = await response.Content.ReadAsStringAsync();
            Console.WriteLine(responseContent);
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Error sending SMS: {ex.Message}");
        }
    }
}

{
  "sid": "smsabcdef12345678",
  "direction": "outbound",
  "from": "TOPIMMO",
  "to": "+33639981020",
  "body": {
    "text": "Hello world!"
  },
  "trafficType": "marketing",
  "status": "sent",
  "cost": "4.50",
  "paymentType": "prepaid",
  "created": "2025-04-24T17:42:28Z",
  "updated": "2025-04-24T17:42:30Z",
  "sent": "2025-04-24T17:42:29Z",
  "delivered": null,
  "encoding": "gsm",
  "parts": 1,
  "network": "20801",
  "statusHistory": [
    {
      "before": "created",
      "after": "pending",
      "at": "2025-04-24T17:42:28Z"
    },
    {
      "before": "pending",
      "after": "sent",
      "at": "2025-04-24T17:42:29Z"
    }
  ]
}

{
  "id": "a033174403257076580mk8v4KiGgZA32",
  "at": "2025-04-07T13:29:30.765Z",
  "sid": "pdszbxss",
  "type": "v2.sms.outbound.updated",
  "try": 0,
  "payload": {
    "direction": "outbound",
    "sid": "callrsid",
    "from": "SMS",
    "to": "+33639980010",
    "body": {
      "text": "Hello world!"
    },
    "trafficType": "marketing",
    "status": "delivered",
    "error": "",
    "created": "2024-04-24T17:42:28Z",
    "delivered": "2024-04-24T17:42:28Z",
    "updated": "2024-04-24T17:42:28Z",
    "sent": "2024-04-24T17:42:28Z",
    "parts": 1,
    "network": "20801",
    "encoding": "gsm",
    "cost": "2.0",
    "paymentType": "prepaid",
    "statusHistory": [
      {
        "after": "delivered",
        "before": "sent",
        "at": "2024-04-24T17:42:28Z"
      }
    ]
  }
}