curl --request GET \
  --url https://api.fintoc.com/v2/checkout_sessions/{id} \
  --header 'Authorization: <api-key>'

import requests

url = "https://api.fintoc.com/v2/checkout_sessions/{id}"

headers = {"Authorization": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: '<api-key>'}};

fetch('https://api.fintoc.com/v2/checkout_sessions/{id}', 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.fintoc.com/v2/checkout_sessions/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: <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"
	"net/http"
	"io"
)

func main() {

	url := "https://api.fintoc.com/v2/checkout_sessions/{id}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.fintoc.com/v2/checkout_sessions/{id}")
  .header("Authorization", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fintoc.com/v2/checkout_sessions/{id}")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = '<api-key>'

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

{
  "id": "cs_li5531onlFDi235",
  "object": "checkout_session",
  "amount": 350000,
  "business_profile": null,
  "cancel_url": "https://merchant.com/cancel",
  "created_at": "2026-01-13T18:48:25Z",
  "currency": "CLP",
  "customer_email": "customer@example.com",
  "expires_at": "2026-01-14T18:48:25Z",
  "flow": "payment",
  "line_items": null,
  "metadata": {},
  "mode": "live",
  "payment_method": null,
  "payment_method_options": {
    "bank_transfer": {}
  },
  "payment_method_types": [
    "bank_transfer"
  ],
  "payment_resource": null,
  "redirect_url": "https://pay.fintoc.com/cs_li5531onlFDi235",
  "save_payment_method": null,
  "session_token": "eyJhbGciOiJIUzI1NiJ9.eyJpZCI6ImNzX2xpNTUzMSJ9.iV2qAVrqYLuqxF4",
  "setup_intent": null,
  "status": "created",
  "subscription": null,
  "success_url": "https://merchant.com/success"
}

{
  "error": {
    "type": "authentication_error",
    "code": "invalid_api_key",
    "message": "Invalid API Key: invalid-*oken"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "message": "No such checkout_session: cs_li5531onlFDi235",
    "code": "missing_resource",
    "param": "id",
    "doc_url": "https://docs.fintoc.com/reference/errors"
  }
}