curl --request POST \
  --url https://omnicommerce.sg/api/v1/price-books/preview \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "platform": "shopee",
  "listPrice": 100
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({platform: 'shopee', listPrice: 100})
};

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

import requests

url = "https://omnicommerce.sg/api/v1/price-books/preview"

payload = {
    "platform": "shopee",
    "listPrice": 100
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "listPrice": 123,
  "channelListPrice": 123,
  "applied": true,
  "source": "price_book",
  "markupPercent": 123,
  "rule": {},
  "message": "<string>"
}