curl --request PATCH \
  --url https://omnicommerce.sg/api/v1/promotions/{promotionId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "organizationId": "<string>",
  "name": "<string>",
  "description": "<string>",
  "discountValue": 1,
  "storeKeys": [
    "<string>"
  ],
  "startsAt": "2023-11-07T05:31:56Z",
  "endsAt": "2023-11-07T05:31:56Z",
  "minSalePrice": 1,
  "maxDiscountAmount": 1,
  "minSpend": 1
}
'

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    organizationId: '<string>',
    name: '<string>',
    description: '<string>',
    discountValue: 1,
    storeKeys: ['<string>'],
    startsAt: '2023-11-07T05:31:56Z',
    endsAt: '2023-11-07T05:31:56Z',
    minSalePrice: 1,
    maxDiscountAmount: 1,
    minSpend: 1
  })
};

fetch('https://omnicommerce.sg/api/v1/promotions/{promotionId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://omnicommerce.sg/api/v1/promotions/{promotionId}"

payload = {
    "organizationId": "<string>",
    "name": "<string>",
    "description": "<string>",
    "discountValue": 1,
    "storeKeys": ["<string>"],
    "startsAt": "2023-11-07T05:31:56Z",
    "endsAt": "2023-11-07T05:31:56Z",
    "minSalePrice": 1,
    "maxDiscountAmount": 1,
    "minSpend": 1
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "promotion": {}
}