Documentacao da API

// C# — modo individual
var payload = new {
    title = "Contrato de Prestação de Serviços",
    external_id = "contrato-123",
    mode = "individual",
    signers = new[] {
        new { name = "João Silva", email = "[email protected]", phone = "11999990000" }
    }
};
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-Api-Key", "lpa_xxxxxxxxxxxx");
client.DefaultRequestHeaders.Add("X-Api-Secret", "seu_secret_aqui");
var content = new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json");
var response = await client.PostAsync("https://sign.lpatech.com.br/api/v1/documents", content);

// PHP — modo individual
$payload = json_encode([
    "title"       => "Contrato de Prestação de Serviços",
    "external_id" => "contrato-123",
    "mode"        => "individual",
    "signers"     => [["name" => "João Silva", "email" => "[email protected]", "phone" => "11999990000"]],
]);
$ch = curl_init("https://sign.lpatech.com.br/api/v1/documents");
curl_setopt_array($ch, [
    CURLOPT_POST => true, CURLOPT_RETURNTRANSFER => true, CURLOPT_POSTFIELDS => $payload,
    CURLOPT_HTTPHEADER => ["X-Api-Key: lpa_xxxxxxxxxxxx", "X-Api-Secret: seu_secret_aqui", "Content-Type: application/json"],
]);
$resp = json_decode(curl_exec($ch), true); curl_close($ch);

// Modo batch_spreadsheet — envia planilha CSV
$ch2 = curl_init("https://sign.lpatech.com.br/api/v1/documents");
curl_setopt_array($ch2, [
    CURLOPT_POST => true, CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POSTFIELDS => [
        "title"       => "Contrato em Massa",
        "mode"        => "batch_spreadsheet",
        "spreadsheet" => new CURLFile("/caminho/contatos.csv", "text/csv", "contatos.csv"),
    ],
    CURLOPT_HTTPHEADER => ["X-Api-Key: lpa_xxxxxxxxxxxx", "X-Api-Secret: seu_secret_aqui"],
]);
$resp2 = json_decode(curl_exec($ch2), true); curl_close($ch2);

// JavaScript — modo individual
const resp = await fetch("https://sign.lpatech.com.br/api/v1/documents", {
  method: "POST",
  headers: { "X-Api-Key": KEY, "X-Api-Secret": SECRET, "Content-Type": "application/json" },
  body: JSON.stringify({
    title: "Contrato de Prestação de Serviços",
    external_id: "contrato-123",
    mode: "individual",
    signers: [{ name: "João Silva", email: "[email protected]", phone: "11999990000" }],
  }),
});
const { signers } = await resp.json(); // signers[0].sign_url

// Modo batch_spreadsheet
const form = new FormData();
form.append("title", "Contrato em Massa");
form.append("mode", "batch_spreadsheet");
form.append("spreadsheet", csvFile); // File object
const resp2 = await fetch("https://sign.lpatech.com.br/api/v1/documents", {
  method: "POST",
  headers: { "X-Api-Key": KEY, "X-Api-Secret": SECRET },
  body: form,
});

// TypeScript
interface Signer { name: string; email: string; phone?: string; cpf?: string; }
interface CreatePayload {
  title: string; external_id?: string; mode?: "individual" | "batch_list" | "batch_spreadsheet";
  signers?: Signer[]; list_ids?: number[]; ordered_signing?: boolean; expires_at?: string;
}
const resp = await fetch("https://sign.lpatech.com.br/api/v1/documents", {
  method: "POST",
  headers: { "X-Api-Key": KEY, "X-Api-Secret": SECRET, "Content-Type": "application/json" } as HeadersInit,
  body: JSON.stringify({ title: "Contrato", mode: "individual", signers: [{ name: "João", email: "[email protected]" }] } as CreatePayload),
});
const data = await resp.json();

import requests

# Modo individual
resp = requests.post("https://sign.lpatech.com.br/api/v1/documents",
    json={"title": "Contrato", "external_id": "123", "mode": "individual",
          "signers": [{"name": "João", "email": "[email protected]", "phone": "11999990000"}]},
    headers={"X-Api-Key": "lpa_xxxxxxxxxxxx", "X-Api-Secret": "seu_secret_aqui"})
sign_url = resp.json()["signers"][0]["sign_url"]

# Modo batch_spreadsheet
with open("contatos.csv", "rb") as f:
    resp2 = requests.post("https://sign.lpatech.com.br/api/v1/documents",
        data={"title": "Contrato em Massa", "mode": "batch_spreadsheet"},
        files={"spreadsheet": ("contatos.csv", f, "text/csv")},
        headers={"X-Api-Key": "lpa_xxxxxxxxxxxx", "X-Api-Secret": "seu_secret_aqui"})

var payload = new { name = "Maria Santos", email = "[email protected]", phone = "11988880000" };
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-Api-Key","lpa_xxxxxxxxxxxx");
client.DefaultRequestHeaders.Add("X-Api-Secret","seu_secret_aqui");
var content = new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json");
var response = await client.PostAsync("https://sign.lpatech.com.br/api/v1/documents/contrato-123/signers", content);

$ch = curl_init("https://sign.lpatech.com.br/api/v1/documents/contrato-123/signers");
curl_setopt_array($ch, [CURLOPT_POST=>true, CURLOPT_RETURNTRANSFER=>true,
    CURLOPT_POSTFIELDS=>json_encode(["name"=>"Maria Santos","email"=>"[email protected]","phone"=>"11988880000"]),
    CURLOPT_HTTPHEADER=>["X-Api-Key: lpa_xxxxxxxxxxxx","X-Api-Secret: seu_secret_aqui","Content-Type: application/json"]]);
$signer = json_decode(curl_exec($ch), true); curl_close($ch);

const signer = await fetch("https://sign.lpatech.com.br/api/v1/documents/contrato-123/signers", {
  method: "POST",
  headers: { "X-Api-Key": KEY, "X-Api-Secret": SECRET, "Content-Type": "application/json" },
  body: JSON.stringify({ name: "Maria Santos", email: "[email protected]", phone: "11988880000" }),
}).then(r => r.json());

signer = requests.post("https://sign.lpatech.com.br/api/v1/documents/contrato-123/signers",
    json={"name":"Maria Santos","email":"[email protected]","phone":"11988880000"},
    headers={"X-Api-Key":KEY,"X-Api-Secret":SECRET}).json()

using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-Api-Key","lpa_xxxxxxxxxxxx");
client.DefaultRequestHeaders.Add("X-Api-Secret","seu_secret_aqui");
var json = await client.GetStringAsync("https://sign.lpatech.com.br/api/v1/contact-lists");

$ch = curl_init("https://sign.lpatech.com.br/api/v1/contact-lists");
curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER=>true, CURLOPT_HTTPHEADER=>["X-Api-Key: lpa_xxxxxxxxxxxx","X-Api-Secret: seu_secret_aqui"]]);
$lists = json_decode(curl_exec($ch), true); curl_close($ch);

const lists = await fetch("https://sign.lpatech.com.br/api/v1/contact-lists",
  { headers: { "X-Api-Key": KEY, "X-Api-Secret": SECRET } }).then(r => r.json());

lists = requests.get("https://sign.lpatech.com.br/api/v1/contact-lists",
    headers={"X-Api-Key": KEY, "X-Api-Secret": SECRET}).json()

var payload = new { name = "Clientes Marco 2026", description = "Lote mensal" };
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-Api-Key","lpa_xxxxxxxxxxxx");
client.DefaultRequestHeaders.Add("X-Api-Secret","seu_secret_aqui");
var response = await client.PostAsync("https://sign.lpatech.com.br/api/v1/contact-lists",
    new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json"));

$ch = curl_init("https://sign.lpatech.com.br/api/v1/contact-lists");
curl_setopt_array($ch, [CURLOPT_POST=>true, CURLOPT_RETURNTRANSFER=>true,
    CURLOPT_POSTFIELDS=>json_encode(["name"=>"Clientes Marco 2026"]),
    CURLOPT_HTTPHEADER=>["X-Api-Key: lpa_xxxxxxxxxxxx","X-Api-Secret: seu_secret_aqui","Content-Type: application/json"]]);
$list = json_decode(curl_exec($ch), true); curl_close($ch);

const list = await fetch("https://sign.lpatech.com.br/api/v1/contact-lists", {
  method: "POST",
  headers: { "X-Api-Key": KEY, "X-Api-Secret": SECRET, "Content-Type": "application/json" },
  body: JSON.stringify({ name: "Clientes Marco 2026" }),
}).then(r => r.json());

// C#
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-Api-Key", "lpa_xxxxxxxxxxxx");
client.DefaultRequestHeaders.Add("X-Api-Secret", "seu_secret_aqui");
using var form = new MultipartFormDataContent();
form.Add(new ByteArrayContent(File.ReadAllBytes("contatos.xlsx")), "file", "contatos.xlsx");
var response = await client.PostAsync("https://sign.lpatech.com.br/api/v1/contact-lists/3/import", form);

$ch = curl_init("https://sign.lpatech.com.br/api/v1/contact-lists/3/import");
curl_setopt_array($ch, [CURLOPT_POST=>true, CURLOPT_RETURNTRANSFER=>true,
    CURLOPT_POSTFIELDS=>["file" => new CURLFile("/caminho/contatos.xlsx","application/vnd.openxmlformats-officedocument.spreadsheetml.sheet","contatos.xlsx")],
    CURLOPT_HTTPHEADER=>["X-Api-Key: lpa_xxxxxxxxxxxx","X-Api-Secret: seu_secret_aqui"]]);
$result = json_decode(curl_exec($ch), true); curl_close($ch);

const form = new FormData();
form.append("file", fileInput.files[0]);
const result = await fetch("https://sign.lpatech.com.br/api/v1/contact-lists/3/import", {
  method: "POST",
  headers: { "X-Api-Key": KEY, "X-Api-Secret": SECRET },
  body: form,
}).then(r => r.json());
// result.imported = numero de contatos importados

// C# — ASP.NET Core
[HttpPost("webhook/lpasign")]
public IActionResult Webhook([FromBody] JsonElement payload) {
    var body = Request.Body.ToString();
    var sig = Request.Headers["X-LPA-Signature"].ToString();
    using var hmac = new HMACSHA256(Encoding.UTF8.GetBytes("SEU_SECRET"));
    var hash = "sha256=" + Convert.ToHexString(hmac.ComputeHash(Encoding.UTF8.GetBytes(body))).ToLower();
    if (hash != sig) return Unauthorized();
    // processar...
    return Ok();
}

$payload = file_get_contents("php://input");
$sig = "sha256=" . hash_hmac("sha256", $payload, "SEU_SECRET");
if (!hash_equals($sig, $_SERVER["HTTP_X_LPA_SIGNATURE"])) {
    http_response_code(401); exit;
}
$data = json_decode($payload, true);
if ($data["event"] === "document.signer.signed") {
    // processar...
}
http_response_code(200);

// Node.js — Express
const crypto = require("crypto");
app.post("/webhook/lpasign", express.raw({ type: "application/json" }), (req, res) => {
  const sig = "sha256=" + crypto.createHmac("sha256", "SEU_SECRET").update(req.body).digest("hex");
  if (sig !== req.headers["x-lpa-signature"]) return res.sendStatus(401);
  const { event, data } = JSON.parse(req.body);
  if (event === "document.signer.signed") { /* processar */ }
  res.sendStatus(200);
});