curl --request POST \
  --url https://api.nupapia.com.br/api/chat/conversations/start-whatsapp \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "channel_id": 123,
  "phone": "+5511999999999",
  "name": "<string>",
  "lastname": "<string>",
  "template_name": "<string>",
  "language": "pt_BR",
  "variables": {},
  "text": "<string>",
  "content_type": "<string>",
  "file_url": "<string>",
  "file_name": "<string>",
  "topic": "<string>",
  "pipeline_id": 123,
  "pipeline_stage_id": 123
}
'

import requests

url = "https://api.nupapia.com.br/api/chat/conversations/start-whatsapp"

payload = {
    "channel_id": 123,
    "phone": "+5511999999999",
    "name": "<string>",
    "lastname": "<string>",
    "template_name": "<string>",
    "language": "pt_BR",
    "variables": {},
    "text": "<string>",
    "content_type": "<string>",
    "file_url": "<string>",
    "file_name": "<string>",
    "topic": "<string>",
    "pipeline_id": 123,
    "pipeline_stage_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({
    channel_id: 123,
    phone: '+5511999999999',
    name: '<string>',
    lastname: '<string>',
    template_name: '<string>',
    language: 'pt_BR',
    variables: {},
    text: '<string>',
    content_type: '<string>',
    file_url: '<string>',
    file_name: '<string>',
    topic: '<string>',
    pipeline_id: 123,
    pipeline_stage_id: 123
  })
};

fetch('https://api.nupapia.com.br/api/chat/conversations/start-whatsapp', 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://api.nupapia.com.br/api/chat/conversations/start-whatsapp",
  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([
    'channel_id' => 123,
    'phone' => '+5511999999999',
    'name' => '<string>',
    'lastname' => '<string>',
    'template_name' => '<string>',
    'language' => 'pt_BR',
    'variables' => [
        
    ],
    'text' => '<string>',
    'content_type' => '<string>',
    'file_url' => '<string>',
    'file_name' => '<string>',
    'topic' => '<string>',
    'pipeline_id' => 123,
    'pipeline_stage_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://api.nupapia.com.br/api/chat/conversations/start-whatsapp"

	payload := strings.NewReader("{\n  \"channel_id\": 123,\n  \"phone\": \"+5511999999999\",\n  \"name\": \"<string>\",\n  \"lastname\": \"<string>\",\n  \"template_name\": \"<string>\",\n  \"language\": \"pt_BR\",\n  \"variables\": {},\n  \"text\": \"<string>\",\n  \"content_type\": \"<string>\",\n  \"file_url\": \"<string>\",\n  \"file_name\": \"<string>\",\n  \"topic\": \"<string>\",\n  \"pipeline_id\": 123,\n  \"pipeline_stage_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://api.nupapia.com.br/api/chat/conversations/start-whatsapp")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"channel_id\": 123,\n  \"phone\": \"+5511999999999\",\n  \"name\": \"<string>\",\n  \"lastname\": \"<string>\",\n  \"template_name\": \"<string>\",\n  \"language\": \"pt_BR\",\n  \"variables\": {},\n  \"text\": \"<string>\",\n  \"content_type\": \"<string>\",\n  \"file_url\": \"<string>\",\n  \"file_name\": \"<string>\",\n  \"topic\": \"<string>\",\n  \"pipeline_id\": 123,\n  \"pipeline_stage_id\": 123\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.nupapia.com.br/api/chat/conversations/start-whatsapp")

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  \"channel_id\": 123,\n  \"phone\": \"+5511999999999\",\n  \"name\": \"<string>\",\n  \"lastname\": \"<string>\",\n  \"template_name\": \"<string>\",\n  \"language\": \"pt_BR\",\n  \"variables\": {},\n  \"text\": \"<string>\",\n  \"content_type\": \"<string>\",\n  \"file_url\": \"<string>\",\n  \"file_name\": \"<string>\",\n  \"topic\": \"<string>\",\n  \"pipeline_id\": 123,\n  \"pipeline_stage_id\": 123\n}"

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

{
  "success": true,
  "data": {
    "conversation_id": "<string>",
    "client_id": "<string>",
    "message_id": 123
  }
}

{
  "success": false,
  "message": "<string>"
}

{
  "success": false,
  "message": "<string>"
}

{
  "success": true,
  "message": "<string>",
  "meta": {},
  "data": {
    "conversation_id": "<string>",
    "client_id": "<string>"
  }
}