المصادقة

X-Merchant-Id: M00000001
X-Api-Key: cvb2b_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

X-Timestamp: 1790000000
X-Nonce: 0123456789abcdef0123456789abcdef
X-Signature: fd55fa31a3b6817d5368903dbb4bad4458381e024c17e688580bac96577acfed

API key      cvb2b_TEST_ONLY_not_a_real_key_0123456789abcdef
Method       POST
Path         /api/v1/orders
X-Timestamp  1790000000
X-Nonce      0123456789abcdef0123456789abcdef

{"external_order_id":"TEST-0001","items":[{"sku_id":"S000001","quantity":1,"expected_unit_price":"9.2500"}]}

BODY_HASH    b0545ae25d54b219f27d8bd90e4dcbf26cf0d491f53982da67b8eef0a1a59960
X-Signature  fd55fa31a3b6817d5368903dbb4bad4458381e024c17e688580bac96577acfed

BASE_URL="https://sandbox.cardv.net"
REQ_PATH="/api/v1/orders"      # do not call this variable PATH
BODY='{"external_order_id":"SHOP-10001","items":'
BODY+='[{"sku_id":"S000001","quantity":1,"expected_unit_price":"9.2500"}]}'
TS=$(date +%s)
NONCE=$(openssl rand -hex 16)
BODY_HASH=$(printf '%s' "$BODY" | openssl dgst -sha256 -hex | sed 's/^.*= //')
SIG=$(printf 'POST\n%s\n%s\n%s\n%s' "$REQ_PATH" "$TS" "$NONCE" "$BODY_HASH" \
  | openssl dgst -sha256 -hmac "$CARDV_API_KEY" -hex | sed 's/^.*= //')

curl -sS -X POST "$BASE_URL$REQ_PATH" \
  -H "Content-Type: application/json" \
  -H "X-Merchant-Id: $CARDV_MERCHANT_ID" \
  -H "X-Api-Key: $CARDV_API_KEY" \
  -H "X-Timestamp: $TS" \
  -H "X-Nonce: $NONCE" \
  -H "X-Signature: $SIG" \
  --data-raw "$BODY"

import hashlib, hmac, json, os, secrets, time
import requests

BASE_URL = "https://sandbox.cardv.net"
MERCHANT_ID = os.environ["CARDV_MERCHANT_ID"]
API_KEY = os.environ["CARDV_API_KEY"]
AUTH = {"X-Merchant-Id": MERCHANT_ID, "X-Api-Key": API_KEY}


def sign(path: str, body: bytes, ts: str, nonce: str) -> str:
    body_hash = hashlib.sha256(body).hexdigest()
    text = "\n".join(["POST", path, ts, nonce, body_hash])
    return hmac.new(API_KEY.encode(), text.encode(), hashlib.sha256).hexdigest()


def cardv_get(path: str, params=None) -> requests.Response:
    return requests.get(BASE_URL + path, params=params, headers=AUTH, timeout=30)


def cardv_post(path: str, payload: dict) -> requests.Response:
    body = json.dumps(payload, separators=(",", ":"), ensure_ascii=False).encode()
    ts, nonce = str(int(time.time())), secrets.token_hex(16)
    headers = {
        **AUTH,
        "Content-Type": "application/json",
        "X-Timestamp": ts,
        "X-Nonce": nonce,
        "X-Signature": sign(path, body, ts, nonce),
    }
    return requests.post(BASE_URL + path, data=body, headers=headers, timeout=30)


resp = cardv_post("/api/v1/orders", {
    "external_order_id": "SHOP-10001",
    "items": [{"sku_id": "S000001", "quantity": 1, "expected_unit_price": "9.2500"}],
})
print(resp.status_code, resp.json())

order_id = resp.json()["order"]["order_id"]
print(cardv_get(f"/api/v1/orders/{order_id}").json()["status"])

import crypto from "node:crypto";

const BASE_URL = "https://sandbox.cardv.net";
const { CARDV_MERCHANT_ID, CARDV_API_KEY } = process.env;
const AUTH = { "X-Merchant-Id": CARDV_MERCHANT_ID, "X-Api-Key": CARDV_API_KEY };

function sign(path, body, timestamp, nonce) {
  const bodyHash = crypto.createHash("sha256").update(body).digest("hex");
  const text = ["POST", path, timestamp, nonce, bodyHash].join("\n");
  return crypto.createHmac("sha256", CARDV_API_KEY).update(text, "utf8").digest("hex");
}

async function cardvPost(path, payload) {
  const body = Buffer.from(JSON.stringify(payload), "utf8"); // serialize once
  const timestamp = String(Math.floor(Date.now() / 1000));
  const nonce = crypto.randomBytes(16).toString("hex");
  const headers = {
    ...AUTH,
    "Content-Type": "application/json",
    "X-Timestamp": timestamp,
    "X-Nonce": nonce,
    "X-Signature": sign(path, body, timestamp, nonce),
  };
  const res = await fetch(BASE_URL + path, { method: "POST", headers, body });
  return { status: res.status, body: await res.json() };
}

console.log(await cardvPost("/api/v1/orders", {
  external_order_id: "SHOP-10001",
  items: [{ sku_id: "S000001", quantity: 1, expected_unit_price: "9.2500" }],
}));

<?php
function cardv_sign(
    string $apiKey, string $path, string $body, string $ts, string $nonce
): string {
    $text = implode("\n", ['POST', $path, $ts, $nonce, hash('sha256', $body)]);
    return hash_hmac('sha256', $text, $apiKey); // lowercase hex
}

// Send exactly $body.
$body = json_encode($payload, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
$ts = (string) time();
$nonce = bin2hex(random_bytes(16));
$signature = cardv_sign($apiKey, '/api/v1/orders', $body, $ts, $nonce);

{"detail": "Invalid HMAC signature."}