The payment orchestration platform for growing merchants

# Create a payment session
curl -X POST "$CHECKOUT_URL/api/v1/session" \
  -H "Content-Type: application/json" \
  -d '{
    "merchant_key": "'"$MERCHANT_KEY"'",
    "operation": "purchase",
    "order": {
      "number": "order-1234",
      "amount": "0.19",
      "currency": "USD",
      "description": "Important gift"
    },
    "success_url": "https://example.com/success",
    "cancel_url":  "https://example.com/cancel",
    "hash": "'"$HASH"'"
  }'

# Response
{ "redirect_url": "https://checkout-sandbox…/p/abc123",
  "redirect_method": "GET" }

// Hash = SHA1(MD5(UPPERCASE(fields + password)))
$raw  = strtoupper(
  $order["number"] . $order["amount"] .
  $order["currency"] . $order["description"] .
  $password
);
$hash = sha1(md5($raw));

const crypto = require("crypto");
const md5  = s => crypto.createHash("md5").update(s).digest("hex");
const sha1 = s => crypto.createHash("sha1").update(s).digest("hex");

const password = process.env.CHECKOUT_PASSWORD;
const order = { number: "order-1234", amount: "0.19",
                currency: "USD", description: "Important gift" };

const hash = sha1(md5(
  (order.number + order.amount + order.currency +
   order.description + password).toUpperCase()
));

import hashlib, os

password = os.environ["CHECKOUT_PASSWORD"]
order = {"number": "order-1234", "amount": "0.19",
         "currency": "USD", "description": "Important gift"}

raw = (order["number"] + order["amount"] + order["currency"]
       + order["description"] + password).upper()
hash_value = hashlib.sha1(
    hashlib.md5(raw.encode()).hexdigest().encode()
).hexdigest()