curl --request POST \
  --url https://uat-api.clinkbill.com/api/promotion-code/{id} \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --header 'X-Timestamp: <x-timestamp>' \
  --data '
{
  "code": "SUMMER2026",
  "firstOrderOnly": true,
  "maxRedemptionLimit": 100,
  "validPeriodStart": 1780660800000,
  "validPeriodEnd": 1783252800000
}
'

HttpResponse<String> response = Unirest.post("https://uat-api.clinkbill.com/api/promotion-code/{id}")
  .header("X-Timestamp", "<x-timestamp>")
  .header("X-API-KEY", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"code\": \"SUMMER2026\",\n  \"firstOrderOnly\": true,\n  \"maxRedemptionLimit\": 100,\n  \"validPeriodStart\": 1780660800000,\n  \"validPeriodEnd\": 1783252800000\n}")
  .asString();

import requests

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

payload = {
    "code": "SUMMER2026",
    "firstOrderOnly": True,
    "maxRedemptionLimit": 100,
    "validPeriodStart": 1780660800000,
    "validPeriodEnd": 1783252800000
}
headers = {
    "X-Timestamp": "<x-timestamp>",
    "X-API-KEY": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'X-Timestamp': '<x-timestamp>',
    'X-API-KEY': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    code: 'SUMMER2026',
    firstOrderOnly: true,
    maxRedemptionLimit: 100,
    validPeriodStart: 1780660800000,
    validPeriodEnd: 1783252800000
  })
};

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

{
  "code": 200,
  "msg": "success",
  "data": {
    "couponId": "<string>",
    "promotionCodeId": "<string>",
    "code": "<string>",
    "status": "active",
    "firstOrderOnly": true,
    "redemptionCount": 123,
    "maxRedemptionLimit": 123,
    "validPeriodEnd": 1754819711382,
    "createTime": 1754819711382,
    "mirroring": true
  }
}

"<string>"