curl --request POST \
  --url https://api.messaging.phonovation.com/whatsapp/1/senders/{sender}/templates \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "text_template",
  "language": "en",
  "category": "ACCOUNT_UPDATE",
  "structure": {
    "body": "body {{1}} content",
    "type": "TEXT"
  }
}
'

import requests

url = "https://api.messaging.phonovation.com/whatsapp/1/senders/{sender}/templates"

payload = {
    "name": "text_template",
    "language": "en",
    "category": "ACCOUNT_UPDATE",
    "structure": {
        "body": "body {{1}} content",
        "type": "TEXT"
    }
}
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/senders/{sender}/templates");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("Authorization", "<api-key>");
request.AddJsonBody("{\n  \"name\": \"text_template\",\n  \"language\": \"en\",\n  \"category\": \"ACCOUNT_UPDATE\",\n  \"structure\": {\n    \"body\": \"body {{1}} content\",\n    \"type\": \"TEXT\"\n  }\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/senders/{sender}/templates")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"text_template\",\n  \"language\": \"en\",\n  \"category\": \"ACCOUNT_UPDATE\",\n  \"structure\": {\n    \"body\": \"body {{1}} content\",\n    \"type\": \"TEXT\"\n  }\n}")
  .asString();

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.messaging.phonovation.com/whatsapp/1/senders/{sender}/templates",
  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([
    'name' => 'text_template',
    'language' => 'en',
    'category' => 'ACCOUNT_UPDATE',
    'structure' => [
        'body' => 'body {{1}} content',
        'type' => 'TEXT'
    ]
  ]),
  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({
    name: 'text_template',
    language: 'en',
    category: 'ACCOUNT_UPDATE',
    structure: {body: JSON.stringify('body {{1}} content'), type: 'TEXT'}
  })
};

fetch('https://api.messaging.phonovation.com/whatsapp/1/senders/{sender}/templates', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));