curl --request POST \
  --url https://api.dev.gallo-pay.com/wallet/v1/Comprobante \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "idCuenta": 274931,
  "importe": 100,
  "idTipoComprobante": 123,
  "codigo": "PROMO_REINTEGRO",
  "referencia": "Recarga",
  "idExterno": "promo-42",
  "fechaExterna": "2026-08-05"
}
'

import requests

url = "https://api.dev.gallo-pay.com/wallet/v1/Comprobante"

payload = {
    "idCuenta": 274931,
    "importe": 100,
    "idTipoComprobante": 123,
    "codigo": "PROMO_REINTEGRO",
    "referencia": "Recarga",
    "idExterno": "promo-42",
    "fechaExterna": "2026-08-05"
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    idCuenta: 274931,
    importe: 100,
    idTipoComprobante: 123,
    codigo: 'PROMO_REINTEGRO',
    referencia: 'Recarga',
    idExterno: 'promo-42',
    fechaExterna: '2026-08-05'
  })
};

fetch('https://api.dev.gallo-pay.com/wallet/v1/Comprobante', 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.dev.gallo-pay.com/wallet/v1/Comprobante",
  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([
    'idCuenta' => 274931,
    'importe' => 100,
    'idTipoComprobante' => 123,
    'codigo' => 'PROMO_REINTEGRO',
    'referencia' => 'Recarga',
    'idExterno' => 'promo-42',
    'fechaExterna' => '2026-08-05'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($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.dev.gallo-pay.com/wallet/v1/Comprobante"

	payload := strings.NewReader("{\n  \"idCuenta\": 274931,\n  \"importe\": 100,\n  \"idTipoComprobante\": 123,\n  \"codigo\": \"PROMO_REINTEGRO\",\n  \"referencia\": \"Recarga\",\n  \"idExterno\": \"promo-42\",\n  \"fechaExterna\": \"2026-08-05\"\n}")

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

	req.Header.Add("x-api-key", "<api-key>")
	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.dev.gallo-pay.com/wallet/v1/Comprobante")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"idCuenta\": 274931,\n  \"importe\": 100,\n  \"idTipoComprobante\": 123,\n  \"codigo\": \"PROMO_REINTEGRO\",\n  \"referencia\": \"Recarga\",\n  \"idExterno\": \"promo-42\",\n  \"fechaExterna\": \"2026-08-05\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.dev.gallo-pay.com/wallet/v1/Comprobante")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"idCuenta\": 274931,\n  \"importe\": 100,\n  \"idTipoComprobante\": 123,\n  \"codigo\": \"PROMO_REINTEGRO\",\n  \"referencia\": \"Recarga\",\n  \"idExterno\": \"promo-42\",\n  \"fechaExterna\": \"2026-08-05\"\n}"

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

{
  "id": "<string>",
  "saldo": 123,
  "availableBalance": "<string>",
  "heldBalance": "<string>",
  "totalBalance": "<string>"
}

{
  "statusCode": 400,
  "message": "Idempotency-Key header is required",
  "timestamp": "2026-07-30T12:00:00.000Z",
  "bankStatus": 400,
  "bankBody": {}
}

{
  "statusCode": 400,
  "message": "Idempotency-Key header is required",
  "timestamp": "2026-07-30T12:00:00.000Z",
  "bankStatus": 400,
  "bankBody": {}
}