curl --request POST \
  --url https://api.messaging.phonovation.com/whatsapp/1/embedded-signup/registrations/business-account/{businessAccountId}/senders \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "countryCode": "44",
  "phoneNumber": "7796344125",
  "displayName": "Phonovation",
  "type": "EXTERNAL_SMS",
  "locale": "en_US"
}
'

import requests

url = "https://api.messaging.phonovation.com/whatsapp/1/embedded-signup/registrations/business-account/{businessAccountId}/senders"

payload = {
    "countryCode": "44",
    "phoneNumber": "7796344125",
    "displayName": "Phonovation",
    "type": "EXTERNAL_SMS",
    "locale": "en_US"
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

using RestSharp;


var options = new RestClientOptions("https://api.messaging.phonovation.com/whatsapp/1/embedded-signup/registrations/business-account/{businessAccountId}/senders");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("Authorization", "<api-key>");
request.AddJsonBody("{\n  \"countryCode\": \"44\",\n  \"phoneNumber\": \"7796344125\",\n  \"displayName\": \"Phonovation\",\n  \"type\": \"EXTERNAL_SMS\",\n  \"locale\": \"en_US\"\n}", false);
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);

HttpResponse<String> response = Unirest.post("https://api.messaging.phonovation.com/whatsapp/1/embedded-signup/registrations/business-account/{businessAccountId}/senders")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"countryCode\": \"44\",\n  \"phoneNumber\": \"7796344125\",\n  \"displayName\": \"Phonovation\",\n  \"type\": \"EXTERNAL_SMS\",\n  \"locale\": \"en_US\"\n}")
  .asString();

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.messaging.phonovation.com/whatsapp/1/embedded-signup/registrations/business-account/{businessAccountId}/senders",
  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([
    'countryCode' => '44',
    'phoneNumber' => '7796344125',
    'displayName' => 'Phonovation',
    'type' => 'EXTERNAL_SMS',
    'locale' => 'en_US'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    countryCode: '44',
    phoneNumber: '7796344125',
    displayName: 'Phonovation',
    type: 'EXTERNAL_SMS',
    locale: 'en_US'
  })
};

fetch('https://api.messaging.phonovation.com/whatsapp/1/embedded-signup/registrations/business-account/{businessAccountId}/senders', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "status": "SUBMITTED_FOR_REGISTRATION"
}

{
  "requestError": {
    "serviceException": {
      "messageId": "BAD_REQUEST",
      "text": "Bad request"
    }
  }
}

{
  "requestError": {
    "serviceException": {
      "messageId": "UNAUTHORIZED",
      "text": "Unauthorized"
    }
  }
}

{
  "requestError": {
    "serviceException": {
      "messageId": "FORBIDDEN",
      "text": "Forbidden"
    }
  }
}

{
  "requestError": {
    "serviceException": {
      "messageId": "<string>",
      "text": "<string>",
      "validationErrors": {}
    }
  }
}

{
  "requestError": {
    "serviceException": {
      "messageId": "TOO_MANY_REQUESTS",
      "text": "Too many requests"
    }
  }
}

{
  "requestError": {
    "serviceException": {
      "messageId": "GENERAL_ERROR",
      "text": "Something went wrong. Please contact support."
    }
  }
}