curl --request GET \
  --url https://api.pocketflows.com/rewards_programs/{id}/members \
  --header 'Authorization: Basic <encoded-value>'

{
  "members": [
    {
      "id": "<string>",
      "user": "<string>",
      "rewards_program": "<string>",
      "point_total": 123,
      "point_balance": 123
    }
  ]
}