curl --request POST \
  --url https://{tenant_domain}/third-party/v1/whatsapp/send-template \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "phone_number": 4915224367929,
  "customer_name": "<string>",
  "customer_id": 123,
  "agent_id": 123,
  "template_name": "<unknown>",
  "template_language": "de",
  "template_components": [
    {}
  ],
  "placeholders": {},
  "from_automation": false,
  "assign_bot_id": 123,
  "assign_user_id": 123,
  "assign_folder_id": 123,
  "assign_tag_id": 123,
  "assign_group_id": 123
}
'

import requests

url = "https://{tenant_domain}/third-party/v1/whatsapp/send-template"

payload = {
    "phone_number": 4915224367929,
    "customer_name": "<string>",
    "customer_id": 123,
    "agent_id": 123,
    "template_name": "<unknown>",
    "template_language": "de",
    "template_components": [{}],
    "placeholders": {},
    "from_automation": False,
    "assign_bot_id": 123,
    "assign_user_id": 123,
    "assign_folder_id": 123,
    "assign_tag_id": 123,
    "assign_group_id": 123
}
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({
    phone_number: 4915224367929,
    customer_name: '<string>',
    customer_id: 123,
    agent_id: 123,
    template_name: '<unknown>',
    template_language: 'de',
    template_components: [{}],
    placeholders: {},
    from_automation: false,
    assign_bot_id: 123,
    assign_user_id: 123,
    assign_folder_id: 123,
    assign_tag_id: 123,
    assign_group_id: 123
  })
};

fetch('https://{tenant_domain}/third-party/v1/whatsapp/send-template', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{tenant_domain}/third-party/v1/whatsapp/send-template",
  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([
    'phone_number' => 4915224367929,
    'customer_name' => '<string>',
    'customer_id' => 123,
    'agent_id' => 123,
    'template_name' => '<unknown>',
    'template_language' => 'de',
    'template_components' => [
        [
                
        ]
    ],
    'placeholders' => [
        
    ],
    'from_automation' => false,
    'assign_bot_id' => 123,
    'assign_user_id' => 123,
    'assign_folder_id' => 123,
    'assign_tag_id' => 123,
    'assign_group_id' => 123
  ]),
  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;
}

package main

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

func main() {

	url := "https://{tenant_domain}/third-party/v1/whatsapp/send-template"

	payload := strings.NewReader("{\n  \"phone_number\": 4915224367929,\n  \"customer_name\": \"<string>\",\n  \"customer_id\": 123,\n  \"agent_id\": 123,\n  \"template_name\": \"<unknown>\",\n  \"template_language\": \"de\",\n  \"template_components\": [\n    {}\n  ],\n  \"placeholders\": {},\n  \"from_automation\": false,\n  \"assign_bot_id\": 123,\n  \"assign_user_id\": 123,\n  \"assign_folder_id\": 123,\n  \"assign_tag_id\": 123,\n  \"assign_group_id\": 123\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://{tenant_domain}/third-party/v1/whatsapp/send-template")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"phone_number\": 4915224367929,\n  \"customer_name\": \"<string>\",\n  \"customer_id\": 123,\n  \"agent_id\": 123,\n  \"template_name\": \"<unknown>\",\n  \"template_language\": \"de\",\n  \"template_components\": [\n    {}\n  ],\n  \"placeholders\": {},\n  \"from_automation\": false,\n  \"assign_bot_id\": 123,\n  \"assign_user_id\": 123,\n  \"assign_folder_id\": 123,\n  \"assign_tag_id\": 123,\n  \"assign_group_id\": 123\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{tenant_domain}/third-party/v1/whatsapp/send-template")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"phone_number\": 4915224367929,\n  \"customer_name\": \"<string>\",\n  \"customer_id\": 123,\n  \"agent_id\": 123,\n  \"template_name\": \"<unknown>\",\n  \"template_language\": \"de\",\n  \"template_components\": [\n    {}\n  ],\n  \"placeholders\": {},\n  \"from_automation\": false,\n  \"assign_bot_id\": 123,\n  \"assign_user_id\": 123,\n  \"assign_folder_id\": 123,\n  \"assign_tag_id\": 123,\n  \"assign_group_id\": 123\n}"

response = http.request(request)
puts response.read_body

{
  "data": {
    "id": 123,
    "conversation_id": 123,
    "user_id": 123,
    "contents": [
      "<unknown>"
    ],
    "agent_reaction": "<string>",
    "customer_reaction": "<string>",
    "sent_at": "2023-01-01T12:00:00Z",
    "reference": {},
    "latest_error": {
      "id": 123,
      "message_id": 123,
      "original_message": "<string>",
      "user_friendly_message": "<string>",
      "created_at": "2023-01-01T12:00:00Z"
    },
    "wa_template_id": 123,
    "wa_flow_id": 123
  }
}