curl --request GET \
  --url https://developer.world.org/api/v2/minikit/user-grant-cycle

const options = {method: 'GET'};

fetch('https://developer.world.org/api/v2/minikit/user-grant-cycle', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "success": true,
  "status": 123,
  "result": {
    "nextGrantClaimUTCDate": "2023-11-07T05:31:56Z"
  }
}