curl --request POST \
  --url https://{baseUrl}/ipbox/api/addMailing \
  --header 'Content-Type: multipart/form-data' \
  --form lote=descricao_lote \
  --form campos=campos_csv \
  --form importarPrimeiraLinha=importar_primeira_linha \
  --form apagarExistentes=apagar_prospects_existentes_antes_de_importar \
  --form separador=separador_usado_no_csv \
  --form prioridade=prioridade_de_discagem \
  --form higienizar=higienizar_mailing \
  --form rodarLote=rodar_lote \
  --form bloquearDownload=bloquear_download \
  --form urlIntegracao=url_integracao \
  --form mailingUra=mailing_ura \
  --form layout=layout_campos_csv

import requests

url = "https://{baseUrl}/ipbox/api/addMailing"

payload = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"lote\"\r\n\r\ndescricao_lote\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"campos\"\r\n\r\ncampos_csv\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"importarPrimeiraLinha\"\r\n\r\nimportar_primeira_linha\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apagarExistentes\"\r\n\r\napagar_prospects_existentes_antes_de_importar\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"separador\"\r\n\r\nseparador_usado_no_csv\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prioridade\"\r\n\r\nprioridade_de_discagem\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"higienizar\"\r\n\r\nhigienizar_mailing\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"rodarLote\"\r\n\r\nrodar_lote\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bloquearDownload\"\r\n\r\nbloquear_download\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"urlIntegracao\"\r\n\r\nurl_integracao\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"mailingUra\"\r\n\r\nmailing_ura\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"layout\"\r\n\r\nlayout_campos_csv\r\n-----011000010111000001101001--"
headers = {"Content-Type": "multipart/form-data"}

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

print(response.text)

const form = new FormData();
form.append('lote', 'descricao_lote');
form.append('campos', 'campos_csv');
form.append('importarPrimeiraLinha', 'importar_primeira_linha');
form.append('apagarExistentes', 'apagar_prospects_existentes_antes_de_importar');
form.append('separador', 'separador_usado_no_csv');
form.append('prioridade', 'prioridade_de_discagem');
form.append('higienizar', 'higienizar_mailing');
form.append('rodarLote', 'rodar_lote');
form.append('bloquearDownload', 'bloquear_download');
form.append('urlIntegracao', 'url_integracao');
form.append('mailingUra', 'mailing_ura');
form.append('layout', 'layout_campos_csv');

const options = {method: 'POST'};

options.body = form;

fetch('https://{baseUrl}/ipbox/api/addMailing', 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://{baseUrl}/ipbox/api/addMailing",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"lote\"\r\n\r\ndescricao_lote\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"campos\"\r\n\r\ncampos_csv\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"importarPrimeiraLinha\"\r\n\r\nimportar_primeira_linha\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apagarExistentes\"\r\n\r\napagar_prospects_existentes_antes_de_importar\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"separador\"\r\n\r\nseparador_usado_no_csv\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prioridade\"\r\n\r\nprioridade_de_discagem\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"higienizar\"\r\n\r\nhigienizar_mailing\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"rodarLote\"\r\n\r\nrodar_lote\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bloquearDownload\"\r\n\r\nbloquear_download\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"urlIntegracao\"\r\n\r\nurl_integracao\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"mailingUra\"\r\n\r\nmailing_ura\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"layout\"\r\n\r\nlayout_campos_csv\r\n-----011000010111000001101001--",
  CURLOPT_HTTPHEADER => [
    "Content-Type: multipart/form-data"
  ],
]);

$response = curl_exec($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://{baseUrl}/ipbox/api/addMailing"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"lote\"\r\n\r\ndescricao_lote\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"campos\"\r\n\r\ncampos_csv\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"importarPrimeiraLinha\"\r\n\r\nimportar_primeira_linha\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apagarExistentes\"\r\n\r\napagar_prospects_existentes_antes_de_importar\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"separador\"\r\n\r\nseparador_usado_no_csv\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prioridade\"\r\n\r\nprioridade_de_discagem\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"higienizar\"\r\n\r\nhigienizar_mailing\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"rodarLote\"\r\n\r\nrodar_lote\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bloquearDownload\"\r\n\r\nbloquear_download\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"urlIntegracao\"\r\n\r\nurl_integracao\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"mailingUra\"\r\n\r\nmailing_ura\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"layout\"\r\n\r\nlayout_campos_csv\r\n-----011000010111000001101001--")

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

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://{baseUrl}/ipbox/api/addMailing")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"lote\"\r\n\r\ndescricao_lote\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"campos\"\r\n\r\ncampos_csv\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"importarPrimeiraLinha\"\r\n\r\nimportar_primeira_linha\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apagarExistentes\"\r\n\r\napagar_prospects_existentes_antes_de_importar\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"separador\"\r\n\r\nseparador_usado_no_csv\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prioridade\"\r\n\r\nprioridade_de_discagem\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"higienizar\"\r\n\r\nhigienizar_mailing\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"rodarLote\"\r\n\r\nrodar_lote\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bloquearDownload\"\r\n\r\nbloquear_download\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"urlIntegracao\"\r\n\r\nurl_integracao\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"mailingUra\"\r\n\r\nmailing_ura\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"layout\"\r\n\r\nlayout_campos_csv\r\n-----011000010111000001101001--")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{baseUrl}/ipbox/api/addMailing")

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

request = Net::HTTP::Post.new(url)
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"lote\"\r\n\r\ndescricao_lote\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"campos\"\r\n\r\ncampos_csv\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"importarPrimeiraLinha\"\r\n\r\nimportar_primeira_linha\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"apagarExistentes\"\r\n\r\napagar_prospects_existentes_antes_de_importar\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"separador\"\r\n\r\nseparador_usado_no_csv\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prioridade\"\r\n\r\nprioridade_de_discagem\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"higienizar\"\r\n\r\nhigienizar_mailing\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"rodarLote\"\r\n\r\nrodar_lote\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bloquearDownload\"\r\n\r\nbloquear_download\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"urlIntegracao\"\r\n\r\nurl_integracao\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"mailingUra\"\r\n\r\nmailing_ura\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"layout\"\r\n\r\nlayout_campos_csv\r\n-----011000010111000001101001--"

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