Gửi email hóa đơn

API này cho phép gửi hóa đơn qua email cho người mua.

Lưu ý

API này hiện chỉ hỗ trợ nhà cung cấp XCyber.

POST

URLhttps://uat-open-api.tingee.vn/v1/e-invoice/send-email

Gửi hóa đơn qua email cho người mua.

Header Request

Header	Bắt buộc	Mô tả
Content-Type	✓	application/json
x-client-id	✓	Mã định danh của đối tác do TINGEE cung cấp.
x-signature	✓	Chữ ký xác thực HMAC SHA512. Xem thêm tại Cách sinh chữ ký.
x-request-timestamp	✓	Thời gian gửi request (format: yyyyMMddHHmmssSSS, múi giờ UTC+7)

Body Parameter

Trường	Kiểu	Bắt buộc	Mô tả
merchantId	number	✕	Mã Merchant.
accountId	number	✕	ID cấu hình tài khoản (nếu để trống sẽ lấy tài khoản mặc định).
invoiceCode	string	✓	Mã hóa đơn / transactionUuid.
recipientEmail	string	✓	Email người nhận.

Ví dụ mã nguồn

cURL

curl --location --request POST 'https://uat-open-api.tingee.vn/v1/e-invoice/send-email' \
--header 'x-signature: YOUR_SIGNATURE' \
--header 'x-request-timestamp: 20251209103911111' \
--header 'x-client-id: YOUR_CLIENT_ID' \
--header 'Content-Type: application/json' \
--data '{
"invoiceCode": "INV-20251209-001",
"recipientEmail": "buyer@example.com"
}'

NestJS

import axios from "axios";
import { createHmac } from "crypto";
import { format } from 'date-fns';

async function sendInvoiceEmail() {
const body = {
  invoiceCode: "INV-20251209-001",
  recipientEmail: "buyer@example.com",
};

const timestamp = format(new Date(), "yyyyMMddHHmmssSSS");
const secretKey = "YOUR_SECRET_KEY";
const message = `${timestamp}:${JSON.stringify(body)}`;
const signature = createHmac('sha512', secretKey).update(message).digest('hex');

const res = await axios.post('https://uat-open-api.tingee.vn/v1/e-invoice/send-email', body, {
  headers: {
    'x-signature': signature,
    'x-request-timestamp': timestamp,
    'x-client-id': 'YOUR_CLIENT_ID',
    'Content-Type': 'application/json',
  },
});

console.log(res.data);
}

C#

using System;
using System.Net.Http;
using System.Text;
using System.Text.Json;
using System.Security.Cryptography;
using System.Threading.Tasks;

public class SendInvoiceEmailExample
{
  private static readonly HttpClient client = new HttpClient();

  public static async Task Main()
  {
      var body = new {
          invoiceCode = "INV-20251209-001",
          recipientEmail = "buyer@example.com"
      };

      var timestamp = DateTime.Now.ToString("yyyyMMddHHmmssfff");
      var secretKey = "YOUR_SECRET_KEY";
      var bodyJson = JsonSerializer.Serialize(body);
      var message = $"{timestamp}:{bodyJson}";
      var signature = CreateHmacSha512(secretKey, message);

      var request = new HttpRequestMessage(HttpMethod.Post, "https://uat-open-api.tingee.vn/v1/e-invoice/send-email");
      request.Headers.Add("x-signature", signature);
      request.Headers.Add("x-request-timestamp", timestamp);
      request.Headers.Add("x-client-id", "YOUR_CLIENT_ID");
      request.Content = new StringContent(bodyJson, Encoding.UTF8, "application/json");

      var response = await client.SendAsync(request);
      string result = await response.Content.ReadAsStringAsync();
      Console.WriteLine(result);
  }

  private static string CreateHmacSha512(string key, string message)
  {
      using var hmac = new HMACSHA512(Encoding.UTF8.GetBytes(key));
      var hash = hmac.ComputeHash(Encoding.UTF8.GetBytes(message));
      return BitConverter.ToString(hash).Replace("-", "").ToLower();
  }
}

Java

import java.net.http.*;
import java.net.URI;
import java.nio.charset.StandardCharsets;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

public class SendInvoiceEmail {
public static void main(String[] args) throws Exception {
  String bodyJson = "{"invoiceCode":"INV-20251209-001","recipientEmail":"buyer@example.com"}";
  String secretKey = "YOUR_SECRET_KEY";
  String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS"));

  String message = timestamp + ":" + bodyJson;
  String signature = hmacSha512(secretKey, message);

  HttpClient client = HttpClient.newHttpClient();
  HttpRequest request = HttpRequest.newBuilder()
      .uri(URI.create("https://uat-open-api.tingee.vn/v1/e-invoice/send-email"))
      .header("x-signature", signature)
      .header("x-request-timestamp", timestamp)
      .header("x-client-id", "YOUR_CLIENT_ID")
      .header("Content-Type", "application/json")
      .POST(HttpRequest.BodyPublishers.ofString(bodyJson))
      .build();

  HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
  System.out.println(response.body());
}

private static String hmacSha512(String key, String data) throws Exception {
    Mac mac = Mac.getInstance("HmacSHA512");
    SecretKeySpec secretKeySpec = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), "HmacSHA512");
    mac.init(secretKeySpec);
    byte[] hash = mac.doFinal(data.getBytes(StandardCharsets.UTF_8));
    return toHex(hash);
}

private static String toHex(byte[] bytes) {
    StringBuilder hex = new StringBuilder(bytes.length * 2);
    for (byte b : bytes) {
        hex.append(String.format("%02x", b));
    }
    return hex.toString();
}
}

PHP

function sendInvoiceEmail() {
  $body = [
      "invoiceCode" => "INV-20251209-001",
      "recipientEmail" => "buyer@example.com"
  ];

  $jsonBody = json_encode($body);
  $timestamp = date("YmdHis") . substr((string)microtime(true), -3);
  $secretKey = "YOUR_SECRET_KEY";

  $message = $timestamp . ":" . $jsonBody;
  $signature = hash_hmac("sha512", $message, $secretKey);

  $ch = curl_init();
  curl_setopt_array($ch, [
      CURLOPT_URL => "https://uat-open-api.tingee.vn/v1/e-invoice/send-email",
      CURLOPT_RETURNTRANSFER => true,
      CURLOPT_POST => true,
      CURLOPT_POSTFIELDS => $jsonBody,
      CURLOPT_HTTPHEADER => [
          "Content-Type: application/json",
          "x-client-id: YOUR_CLIENT_ID",
          "x-request-timestamp: " . $timestamp,
          "x-signature: " . $signature
      ]
  ]);

  $response = curl_exec($ch);
  curl_close($ch);
  echo $response;
}

Response mẫu

{
  "code": "00",
  "message": "Success",
  "data": {}
}

Trường	Kiểu	Mô tả
code	string	Mã trạng thái.
message	string	Thông điệp kết quả.
data	object	Dữ liệu trả về (rỗng).

---

Mã lỗi thường gặp

Code	Mô tả	Hướng xử lý
90	Sai format timestamp	Kiểm tra format yyyyMMddHHmmssSSS.
91	Request quá hạn	Kiểm tra thời gian gửi request.
97	Sai chữ ký	Kiểm tra lại Secret Key và logic tạo Signature.
Others	Lỗi khác	Xem Danh sách mã lỗi.