curl --request PUT \
  --url https://uat-api.clinkbill.com/api/promotion-code/{promotionCodeId}/active \
  --header 'X-API-KEY: <api-key>' \
  --header 'X-Timestamp: <x-timestamp>'

HttpResponse<String> response = Unirest.put("https://uat-api.clinkbill.com/api/promotion-code/{promotionCodeId}/active")
  .header("X-Timestamp", "<x-timestamp>")
  .header("X-API-KEY", "<api-key>")
  .asString();

import requests

url = "https://uat-api.clinkbill.com/api/promotion-code/{promotionCodeId}/active"

headers = {
    "X-Timestamp": "<x-timestamp>",
    "X-API-KEY": "<api-key>"
}

response = requests.put(url, headers=headers)

print(response.text)

const options = {
  method: 'PUT',
  headers: {'X-Timestamp': '<x-timestamp>', 'X-API-KEY': '<api-key>'}
};

fetch('https://uat-api.clinkbill.com/api/promotion-code/{promotionCodeId}/active', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "code": 200,
  "msg": "success"
}

"<string>"