Validar un pago SPEI es detectar pagos
fantasma

curl -X POST https://speicep.com/api/v1/validate \
  -H "Authorization: Bearer sk_live_..." \
  -F "file=@comprobante.jpg"

const form = new FormData();
form.append("file", fs.createReadStream("comprobante.jpg"));

const res = await fetch("https://speicep.com/api/v1/validate", {
  method: "POST",
  headers: { Authorization: `Bearer ${API_KEY}` },
  body: form,
});
const { status, cep } = await res.json(); // status: "valid" | "invalid"

import requests
r = requests.post(
    "https://speicep.com/api/v1/validate",
    headers={"Authorization": f"Bearer {API_KEY}"},
    files={"file": open("comprobante.jpg", "rb")},
)
print(r.json()["status"])  # -> "valid"

$ch = curl_init("https://speicep.com/api/v1/validate");
curl_setopt_array($ch, [
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_HTTPHEADER     => ["Authorization: Bearer sk_live_..."],
  CURLOPT_POSTFIELDS     => ["file" => new CURLFile("comprobante.jpg")],
]);
$res = json_decode(curl_exec($ch), true);
echo $res["status"];

body := &bytes.Buffer{}
w := multipart.NewWriter(body)
f, _ := os.Open("comprobante.jpg")
part, _ := w.CreateFormFile("file", "comprobante.jpg")
io.Copy(part, f)
w.Close()

req, _ := http.NewRequest("POST",
  "https://speicep.com/api/v1/validate", body)
req.Header.Set("Authorization", "Bearer sk_live_...")
req.Header.Set("Content-Type", w.FormDataContentType())
res, _ := http.DefaultClient.Do(req)

require "net/http"
require "json"

uri = URI("https://speicep.com/api/v1/validate")
req = Net::HTTP::Post.new(uri)
req["Authorization"] = "Bearer sk_live_..."
req.set_form([["file", File.open("comprobante.jpg")]],
             "multipart/form-data")

res = Net::HTTP.start(uri.host, uri.port, use_ssl: true) { |h| h.request(req) }
puts JSON.parse(res.body)["status"]

using var http = new HttpClient();
http.DefaultRequestHeaders.Add(
  "Authorization", "Bearer sk_live_...");

using var form = new MultipartFormDataContent();
form.Add(new StreamContent(File.OpenRead("comprobante.jpg")),
         "file", "comprobante.jpg");

var res = await http.PostAsync(
  "https://speicep.com/api/v1/validate", form);
Console.WriteLine(await res.Content.ReadAsStringAsync());