curl --request POST \
  --url https://{brand_domain}/api/mobile/v1/sms \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "messages": [
    {
      "sender": "bKash",
      "body": "You have received Tk 500.00 from 01700000000. Ref INV-10029. Fee Tk 0.00. Balance Tk 15400.00. TrxID A8K9D2J3S",
      "local_id": 104,
      "received_at": "2026-06-23 14:17:12"
    }
  ]
}
'

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{brand_domain}/api/mobile/v1/sms",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'messages' => [
        [
                'sender' => 'bKash',
                'body' => 'You have received Tk 500.00 from 01700000000. Ref INV-10029. Fee Tk 0.00. Balance Tk 15400.00. TrxID A8K9D2J3S',
                'local_id' => 104,
                'received_at' => '2026-06-23 14:17:12'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

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

import requests

url = "https://{brand_domain}/api/mobile/v1/sms"

payload = { "messages": [
        {
            "sender": "bKash",
            "body": "You have received Tk 500.00 from 01700000000. Ref INV-10029. Fee Tk 0.00. Balance Tk 15400.00. TrxID A8K9D2J3S",
            "local_id": 104,
            "received_at": "2026-06-23 14:17:12"
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    messages: [
      {
        sender: 'bKash',
        body: JSON.stringify('You have received Tk 500.00 from 01700000000. Ref INV-10029. Fee Tk 0.00. Balance Tk 15400.00. TrxID A8K9D2J3S'),
        local_id: 104,
        received_at: '2026-06-23 14:17:12'
      }
    ]
  })
};

fetch('https://{brand_domain}/api/mobile/v1/sms', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://{brand_domain}/api/mobile/v1/sms"

	payload := strings.NewReader("{\n  \"messages\": [\n    {\n      \"sender\": \"bKash\",\n      \"body\": \"You have received Tk 500.00 from 01700000000. Ref INV-10029. Fee Tk 0.00. Balance Tk 15400.00. TrxID A8K9D2J3S\",\n      \"local_id\": 104,\n      \"received_at\": \"2026-06-23 14:17:12\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://{brand_domain}/api/mobile/v1/sms")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"messages\": [\n    {\n      \"sender\": \"bKash\",\n      \"body\": \"You have received Tk 500.00 from 01700000000. Ref INV-10029. Fee Tk 0.00. Balance Tk 15400.00. TrxID A8K9D2J3S\",\n      \"local_id\": 104,\n      \"received_at\": \"2026-06-23 14:17:12\"\n    }\n  ]\n}")
  .asString();

const url = 'https://{brand_domain}/api/mobile/v1/sms';
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    messages: [
      {
        sender: 'bKash',
        body: JSON.stringify('You have received Tk 500.00 from 01700000000. Ref INV-10029. Fee Tk 0.00. Balance Tk 15400.00. TrxID A8K9D2J3S'),
        local_id: 104,
        received_at: '2026-06-23 14:17:12'
      }
    ]
  })
};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));

{
  "success": true,
  "data": [
    "<unknown>"
  ]
}

{
  "success": true,
  "data": {
    "status": "accepted",
    "server_ref": "OP-481029304",
    "error": null
  }
}

{
  "success": false,
  "error": "Validation failed",
  "errors": [
    {
      "code": "VALIDATION_FAILED",
      "message": "sender exceeds 100 bytes",
      "field": "sender"
    }
  ],
  "request_id": "8f5a2e9b0c7d4e5f"
}