curl --request POST \
  --url https://api.example.com/transactions \
  --header 'Content-Type: application/json' \
  --data '
{
  "api_token": "<string>",
  "amount": 123,
  "offer_hash": "<string>",
  "payment_method": "<string>",
  "customer": {
    "customer.name": "<string>",
    "customer.email": "<string>",
    "customer.phone_number": "<string>",
    "customer.document": "<string>"
  },
  "cart": [
    {}
  ],
  "installments": 123,
  "expire_in_days": 123,
  "postback_url": "<string>",
  "address": {}
}
'

import requests

url = "https://api.example.com/transactions"

payload = {
    "api_token": "<string>",
    "amount": 123,
    "offer_hash": "<string>",
    "payment_method": "<string>",
    "customer": {
        "customer.name": "<string>",
        "customer.email": "<string>",
        "customer.phone_number": "<string>",
        "customer.document": "<string>"
    },
    "cart": [{}],
    "installments": 123,
    "expire_in_days": 123,
    "postback_url": "<string>",
    "address": {}
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    api_token: '<string>',
    amount: 123,
    offer_hash: '<string>',
    payment_method: '<string>',
    customer: {
      'customer.name': '<string>',
      'customer.email': '<string>',
      'customer.phone_number': '<string>',
      'customer.document': '<string>'
    },
    cart: [{}],
    installments: 123,
    expire_in_days: 123,
    postback_url: '<string>',
    address: {}
  })
};

fetch('https://api.example.com/transactions', 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.example.com/transactions",
  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([
    'api_token' => '<string>',
    'amount' => 123,
    'offer_hash' => '<string>',
    'payment_method' => '<string>',
    'customer' => [
        'customer.name' => '<string>',
        'customer.email' => '<string>',
        'customer.phone_number' => '<string>',
        'customer.document' => '<string>'
    ],
    'cart' => [
        [
                
        ]
    ],
    'installments' => 123,
    'expire_in_days' => 123,
    'postback_url' => '<string>',
    'address' => [
        
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "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.example.com/transactions"

	payload := strings.NewReader("{\n  \"api_token\": \"<string>\",\n  \"amount\": 123,\n  \"offer_hash\": \"<string>\",\n  \"payment_method\": \"<string>\",\n  \"customer\": {\n    \"customer.name\": \"<string>\",\n    \"customer.email\": \"<string>\",\n    \"customer.phone_number\": \"<string>\",\n    \"customer.document\": \"<string>\"\n  },\n  \"cart\": [\n    {}\n  ],\n  \"installments\": 123,\n  \"expire_in_days\": 123,\n  \"postback_url\": \"<string>\",\n  \"address\": {}\n}")

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

	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.example.com/transactions")
  .header("Content-Type", "application/json")
  .body("{\n  \"api_token\": \"<string>\",\n  \"amount\": 123,\n  \"offer_hash\": \"<string>\",\n  \"payment_method\": \"<string>\",\n  \"customer\": {\n    \"customer.name\": \"<string>\",\n    \"customer.email\": \"<string>\",\n    \"customer.phone_number\": \"<string>\",\n    \"customer.document\": \"<string>\"\n  },\n  \"cart\": [\n    {}\n  ],\n  \"installments\": 123,\n  \"expire_in_days\": 123,\n  \"postback_url\": \"<string>\",\n  \"address\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/transactions")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"api_token\": \"<string>\",\n  \"amount\": 123,\n  \"offer_hash\": \"<string>\",\n  \"payment_method\": \"<string>\",\n  \"customer\": {\n    \"customer.name\": \"<string>\",\n    \"customer.email\": \"<string>\",\n    \"customer.phone_number\": \"<string>\",\n    \"customer.document\": \"<string>\"\n  },\n  \"cart\": [\n    {}\n  ],\n  \"installments\": 123,\n  \"expire_in_days\": 123,\n  \"postback_url\": \"<string>\",\n  \"address\": {}\n}"

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

{
  "201": {},
  "400": {},
  "401": {},
  "422": {},
  "500": {}
}