curl --request GET \
  --url https://api.voucherify.io/v2/loyalties/earning-rules/{id}/activities \
  --header 'Authorization: Bearer <token>' \
  --header 'X-App-Id: <api-key>' \
  --header 'X-App-Token: <api-key>'

{
  "data": [
    {
      "id": "<string>",
      "data": {
        "earning_rule": {
          "id": "<string>",
          "name": "<string>",
          "earnings": [
            {
              "name": "<string>",
              "rules": {
                "logic": "<string>"
              },
              "effects": [
                {
                  "points": {
                    "value": 123,
                    "card_definition_id": "<string>",
                    "points_expiration": {
                      "rolling_expiration": {
                        "period": {
                          "value": 2
                        },
                        "rounding": {
                          "value": 6
                        }
                      },
                      "calendar_expiration": {
                        "expiration_dates": [
                          {
                            "day": 16,
                            "month": 6
                          }
                        ]
                      },
                      "sliding_expiration": {
                        "earning_activity": true,
                        "spending_activity": true,
                        "custom_activity": true,
                        "custom_activity_types": [
                          "<string>"
                        ],
                        "period": {
                          "value": 2
                        }
                      }
                    }
                  },
                  "points_proportional": {
                    "card_definition_id": "<string>",
                    "order": {
                      "amount": {
                        "every": 123,
                        "value": 123
                      },
                      "total_amount": {
                        "every": 123,
                        "value": 123
                      },
                      "metadata": {
                        "every": 123,
                        "value": 123,
                        "property": "<string>"
                      }
                    },
                    "customer": {
                      "metadata": {
                        "every": 123,
                        "value": 123,
                        "property": "<string>"
                      }
                    },
                    "order_items": {
                      "amount": {
                        "every": 123,
                        "value": 123,
                        "applicable_to": [
                          {
                            "product": {
                              "id": "<string>"
                            },
                            "sku": {
                              "id": "<string>"
                            },
                            "products_collection": {
                              "id": "<string>"
                            }
                          }
                        ]
                      },
                      "subtotal_amount": {
                        "every": 123,
                        "value": 123,
                        "applicable_to": [
                          {
                            "product": {
                              "id": "<string>"
                            },
                            "sku": {
                              "id": "<string>"
                            },
                            "products_collection": {
                              "id": "<string>"
                            }
                          }
                        ]
                      },
                      "quantity": {
                        "every": 123,
                        "value": 123,
                        "applicable_to": [
                          {
                            "product": {
                              "id": "<string>"
                            },
                            "sku": {
                              "id": "<string>"
                            },
                            "products_collection": {
                              "id": "<string>"
                            }
                          }
                        ]
                      }
                    },
                    "points_expiration": {
                      "rolling_expiration": {
                        "period": {
                          "value": 2
                        },
                        "rounding": {
                          "value": 6
                        }
                      },
                      "calendar_expiration": {
                        "expiration_dates": [
                          {
                            "day": 16,
                            "month": 6
                          }
                        ]
                      },
                      "sliding_expiration": {
                        "earning_activity": true,
                        "spending_activity": true,
                        "custom_activity": true,
                        "custom_activity_types": [
                          "<string>"
                        ],
                        "period": {
                          "value": 2
                        }
                      }
                    }
                  },
                  "incentive": {
                    "id": "<string>"
                  }
                }
              ],
              "tier_rules": {}
            }
          ],
          "trigger": {
            "custom_event": {
              "schema_id": "<string>"
            },
            "segment": {
              "id": "<string>"
            }
          },
          "metadata": {},
          "created_at": "2023-11-07T05:31:56Z",
          "object": "<string>",
          "error": {
            "message": "<string>"
          },
          "validity_hours": {
            "daily": [
              {
                "days_of_week": [
                  123
                ],
                "start_time": "<string>",
                "end_time": "<string>"
              }
            ]
          },
          "start_date": "2023-11-07T05:31:56Z",
          "end_date": "2023-11-07T05:31:56Z",
          "trigger_limits": {
            "cooldown": {
              "fixed_cooldown": {
                "period": {
                  "value": 123
                }
              }
            },
            "frequency": {
              "limits": [
                {
                  "period": {
                    "current_period": {}
                  },
                  "triggers": {
                    "max": 123
                  }
                }
              ]
            }
          },
          "updated_at": "2023-11-07T05:31:56Z"
        }
      },
      "created_at": "2023-11-07T05:31:56Z",
      "group_id": "<string>",
      "source": {
        "user": {
          "id": "<string>"
        },
        "api_key": {
          "name": "<string>",
          "app_id": "<string>",
          "client_app_id": "<string>"
        }
      }
    }
  ],
  "object": "<string>",
  "cursor": {
    "next": "<string>",
    "expires_at": "2023-11-07T05:31:56Z"
  }
}