المصادقة

X-Key-Id: ck_live_xxxxxxxxxxxxxxxxxxxxxxxx
X-Timestamp: 1790000000
X-Nonce: 0123456789abcdef0123456789abcdef
X-Signature: e6e45d09ed271d8d721701b560d56a6f5104fd8a52aaad5380166f432bba6e89

Signing secret  cs_test_TEST_ONLY_not_a_real_secret_0123456789abcdef
X-Timestamp     1790000000
X-Nonce         0123456789abcdef0123456789abcdef

Method       GET
Path         /api/v1/skus?limit=50
BODY_HASH    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
X-Signature  58f0362c355a6624fff9f0b84d47591c570263908832294375b7bf27731628e5

{"external_order_id":"TEST-0001","items":[{"sku_id":"S000001","quantity":1,"expected_unit_price":"9.25"}]}

BODY_HASH    5814ffcdadfa9eb69348150f9fd6895c00b4c37cf6cd0202b83174354645023e
X-Signature  e6e45d09ed271d8d721701b560d56a6f5104fd8a52aaad5380166f432bba6e89

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":"9.25"}]}'
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_SIGNING_SECRET" -hex | sed 's/^.*= //')

curl -sS -X POST "$BASE_URL$REQ_PATH" \
  -H "Content-Type: application/json" \
  -H "X-Key-Id: $CARDV_KEY_ID" \
  -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"
KEY_ID = os.environ["CARDV_KEY_ID"]
SIGNING_SECRET = os.environ["CARDV_SIGNING_SECRET"]


def signed_headers(method: str, path: str, body: bytes) -> dict:
    ts, nonce = str(int(time.time())), secrets.token_hex(16)
    body_hash = hashlib.sha256(body).hexdigest()
    text = "\n".join([method, path, ts, nonce, body_hash])
    signature = hmac.new(SIGNING_SECRET.encode(), text.encode(), hashlib.sha256).hexdigest()
    return {"X-Key-Id": KEY_ID, "X-Timestamp": ts, "X-Nonce": nonce, "X-Signature": signature}


def cardv_get(path: str) -> requests.Response:
    # Put the query string in `path` so the signed path and the sent path are identical.
    return requests.get(BASE_URL + path, headers=signed_headers("GET", path, b""), timeout=30)


def cardv_post(path: str, payload: dict) -> requests.Response:
    body = json.dumps(payload, separators=(",", ":"), ensure_ascii=False).encode()
    headers = {**signed_headers("POST", path, body), "Content-Type": "application/json"}
    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": "9.25"}],
})
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_KEY_ID, CARDV_SIGNING_SECRET } = process.env;

function signedHeaders(method, path, body) {
  const timestamp = String(Math.floor(Date.now() / 1000));
  const nonce = crypto.randomBytes(16).toString("hex");
  const bodyHash = crypto.createHash("sha256").update(body).digest("hex");
  const text = [method, path, timestamp, nonce, bodyHash].join("\n");
  const signature = crypto.createHmac("sha256", CARDV_SIGNING_SECRET).update(text, "utf8").digest("hex");
  return { "X-Key-Id": CARDV_KEY_ID, "X-Timestamp": timestamp, "X-Nonce": nonce, "X-Signature": signature };
}

async function cardvGet(path) {
  const res = await fetch(BASE_URL + path, { headers: signedHeaders("GET", path, Buffer.alloc(0)) });
  return { status: res.status, body: await res.json() };
}

async function cardvPost(path, payload) {
  const body = Buffer.from(JSON.stringify(payload), "utf8"); // serialize once
  const headers = { ...signedHeaders("POST", path, body), "Content-Type": "application/json" };
  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: "9.25" }],
}));
console.log(await cardvGet("/api/v1/balance"));

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

// Send exactly $body. For a GET call use $body = ''.
$body = json_encode($payload, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
$ts = (string) time();
$nonce = bin2hex(random_bytes(16));
$signature = cardv_sign($signingSecret, 'POST', '/api/v1/orders', $body, $ts, $nonce);
// Headers: X-Key-Id, X-Timestamp, X-Nonce, X-Signature

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