curl --request POST \
  --url https://api.pagozz.com/v1/cycles/{id}/change-plan \
  --header 'Content-Type: application/json' \
  --header 'Pagozz-Token: <api-key>' \
  --data '
{
  "plan_id": "p2b3c4d5-e6f7-8901-bcde-f23456789012"
}
'

{
  "data": {
    "cycle": {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "plan_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "subscriber_account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "status": "trialing",
      "current_period_start": "2023-11-07T05:31:56Z",
      "current_period_end": "2023-11-07T05:31:56Z",
      "next_billing_at": "2023-11-07T05:31:56Z",
      "anchor_day": 123,
      "payment_method": "<string>",
      "billing_count": 123,
      "paid_count": 123,
      "credit_balance": 123,
      "cancel_at_period_end": true,
      "canceled_at": "2023-11-07T05:31:56Z",
      "cancellation_reason": "<string>",
      "trial_start": "2023-11-07T05:31:56Z",
      "trial_end": "2023-11-07T05:31:56Z",
      "environment": "test",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    },
    "previous_plan_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "new_plan_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "credit_applied": 123
  }
}