curl --request POST \
  --url https://sandbox.4seletpay.com.br/api/v2/cards \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "customer": {
    "name": "João Silva",
    "email": "joao@exemplo.com.br",
    "phone": {
      "ddi": 55,
      "ddd": 11,
      "number": "999999999"
    },
    "document": {
      "type": "cpf",
      "number": "12345678909"
    }
  },
  "card": {
    "number": "4111111111111111",
    "holder_name": "João Silva",
    "exp_month": 12,
    "exp_year": 2030,
    "cvc": "123"
  }
}
'

import requests

url = "https://sandbox.4seletpay.com.br/api/v2/cards"

payload = {
    "customer": {
        "name": "João Silva",
        "email": "joao@exemplo.com.br",
        "phone": {
            "ddi": 55,
            "ddd": 11,
            "number": "999999999"
        },
        "document": {
            "type": "cpf",
            "number": "12345678909"
        }
    },
    "card": {
        "number": "4111111111111111",
        "holder_name": "João Silva",
        "exp_month": 12,
        "exp_year": 2030,
        "cvc": "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({
    customer: {
      name: 'João Silva',
      email: 'joao@exemplo.com.br',
      phone: {ddi: 55, ddd: 11, number: '999999999'},
      document: {type: 'cpf', number: '12345678909'}
    },
    card: {
      number: '4111111111111111',
      holder_name: 'João Silva',
      exp_month: 12,
      exp_year: 2030,
      cvc: '123'
    }
  })
};

fetch('https://sandbox.4seletpay.com.br/api/v2/cards', 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://sandbox.4seletpay.com.br/api/v2/cards",
  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([
    'customer' => [
        'name' => 'João Silva',
        'email' => 'joao@exemplo.com.br',
        'phone' => [
                'ddi' => 55,
                'ddd' => 11,
                'number' => '999999999'
        ],
        'document' => [
                'type' => 'cpf',
                'number' => '12345678909'
        ]
    ],
    'card' => [
        'number' => '4111111111111111',
        'holder_name' => 'João Silva',
        'exp_month' => 12,
        'exp_year' => 2030,
        'cvc' => '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://sandbox.4seletpay.com.br/api/v2/cards"

	payload := strings.NewReader("{\n  \"customer\": {\n    \"name\": \"João Silva\",\n    \"email\": \"joao@exemplo.com.br\",\n    \"phone\": {\n      \"ddi\": 55,\n      \"ddd\": 11,\n      \"number\": \"999999999\"\n    },\n    \"document\": {\n      \"type\": \"cpf\",\n      \"number\": \"12345678909\"\n    }\n  },\n  \"card\": {\n    \"number\": \"4111111111111111\",\n    \"holder_name\": \"João Silva\",\n    \"exp_month\": 12,\n    \"exp_year\": 2030,\n    \"cvc\": \"123\"\n  }\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://sandbox.4seletpay.com.br/api/v2/cards")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"customer\": {\n    \"name\": \"João Silva\",\n    \"email\": \"joao@exemplo.com.br\",\n    \"phone\": {\n      \"ddi\": 55,\n      \"ddd\": 11,\n      \"number\": \"999999999\"\n    },\n    \"document\": {\n      \"type\": \"cpf\",\n      \"number\": \"12345678909\"\n    }\n  },\n  \"card\": {\n    \"number\": \"4111111111111111\",\n    \"holder_name\": \"João Silva\",\n    \"exp_month\": 12,\n    \"exp_year\": 2030,\n    \"cvc\": \"123\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox.4seletpay.com.br/api/v2/cards")

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  \"customer\": {\n    \"name\": \"João Silva\",\n    \"email\": \"joao@exemplo.com.br\",\n    \"phone\": {\n      \"ddi\": 55,\n      \"ddd\": 11,\n      \"number\": \"999999999\"\n    },\n    \"document\": {\n      \"type\": \"cpf\",\n      \"number\": \"12345678909\"\n    }\n  },\n  \"card\": {\n    \"number\": \"4111111111111111\",\n    \"holder_name\": \"João Silva\",\n    \"exp_month\": 12,\n    \"exp_year\": 2030,\n    \"cvc\": \"123\"\n  }\n}"

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