curl --request POST \
  --url https://omnicommerce.sg/api/v1/checkout-sessions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "productId": "00000000-0000-4000-8000-000000000001",
      "quantity": 1
    }
  ]
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({items: [{productId: '00000000-0000-4000-8000-000000000001', quantity: 1}]})
};

fetch('https://omnicommerce.sg/api/v1/checkout-sessions', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://omnicommerce.sg/api/v1/checkout-sessions"

payload = { "items": [
        {
            "productId": "00000000-0000-4000-8000-000000000001",
            "quantity": 1
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "ok": true,
  "apiVersion": "agentic_checkout_v1",
  "session": {
    "id": "<string>",
    "organizationId": "<string>",
    "status": "ready_for_payment",
    "paymentRail": "acp_stripe",
    "currency": "<string>",
    "totalAmount": 123,
    "paymentRequirements": {},
    "expiresAt": "<string>",
    "subtotalAmount": 123,
    "shippingAmount": 123,
    "taxAmount": 123,
    "discountAmount": 123,
    "cartVersion": 123,
    "buyer": {},
    "shippingAddress": {},
    "billingAddress": {},
    "orderId": "<string>",
    "completedAt": "<string>",
    "createdAt": "<string>",
    "updatedAt": "<string>"
  },
  "items": [
    {
      "id": "<string>",
      "productId": "<string>",
      "sku": "<string>",
      "title": "<string>",
      "quantity": 123,
      "unitAmount": 123,
      "currency": "<string>",
      "imageUrl": "<string>",
      "productSnapshot": {}
    }
  ]
}