curl --request GET \
  --url https://omnicommerce.sg/api/v1/merchants/{merchantId}/manifest

const options = {method: 'GET'};

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

import requests

url = "https://omnicommerce.sg/api/v1/merchants/{merchantId}/manifest"

response = requests.get(url)

print(response.text)

{
  "ok": true,
  "apiVersion": "merchant_manifest_v1"
}