diff --git a/doc/api/resources/orders.rst b/doc/api/resources/orders.rst
index 75bfa97a0..f742801c8 100644
--- a/doc/api/resources/orders.rst
+++ b/doc/api/resources/orders.rst
@@ -109,6 +109,7 @@ cancellation_date                     datetime                   Time of order c
                                                                  Will not be set for partial cancellations and is not
                                                                  reliable for orders that have been cancelled,
                                                                  reactivated and cancelled again.
+plugin_data                           object                     Additional data added by plugins.
 ===================================== ========================== =======================================================
 
 
@@ -164,6 +165,10 @@ cancellation_date                     datetime                   Time of order c
 
    The ``tax_code`` attribute has been added.
 
+.. versionchanged:: 2025.2
+
+   The ``plugin_data`` attribute has been added.
+
 .. _order-position-resource:
 
 Order position resource
@@ -251,6 +256,7 @@ seat                                  objects                    The assigned se
 pdf_data                              object                     Data object required for ticket PDF generation. By default,
                                                                  this field is missing. It will be added only if you add the
                                                                  ``pdf_data=true`` query parameter to your request.
+plugin_data                           object                     Additional data added by plugins.
 ===================================== ========================== =======================================================
 
 .. versionchanged:: 4.16
@@ -265,6 +271,10 @@ pdf_data                              object                     Data object req
 
    The ``tax_code`` attribute has been added.
 
+.. versionchanged:: 2025.2
+
+   The ``plugin_data`` attribute has been added.
+
 .. _order-payment-resource:
 
 Order payment resource
@@ -461,7 +471,8 @@ List of all orders
                     "output": "pdf",
                     "url": "https://pretix.eu/api/v1/organizers/bigevents/events/sampleconf/orderpositions/23442/download/pdf/"
                   }
-                ]
+                ],
+                "plugin_data": {}
               }
             ],
             "downloads": [
@@ -483,7 +494,8 @@ List of all orders
               }
             ],
             "refunds": [],
-            "cancellation_date": null
+            "cancellation_date": null,
+            "plugin_data": {}
           }
         ]
       }
@@ -702,7 +714,8 @@ Fetching individual orders
                 "output": "pdf",
                 "url": "https://pretix.eu/api/v1/organizers/bigevents/events/sampleconf/orderpositions/23442/download/pdf/"
               }
-            ]
+            ],
+            "plugin_data": {}
           }
         ],
         "downloads": [
@@ -724,7 +737,8 @@ Fetching individual orders
           }
         ],
         "refunds": [],
-        "cancellation_date": null
+        "cancellation_date": null,
+        "plugin_data": {}
       }
 
    :param organizer: The ``slug`` field of the organizer to fetch
@@ -1671,7 +1685,8 @@ List of all order positions
                 "output": "pdf",
                 "url": "https://pretix.eu/api/v1/organizers/bigevents/events/sampleconf/orderpositions/23442/download/pdf/"
               }
-            ]
+            ],
+            "plugin_data": {}
           }
         ]
       }
@@ -1798,7 +1813,8 @@ Fetching individual positions
             "output": "pdf",
             "url": "https://pretix.eu/api/v1/organizers/bigevents/events/sampleconf/orderpositions/23442/download/pdf/"
           }
-        ]
+        ],
+        "plugin_data": {}
       }
 
    :param organizer: The ``slug`` field of the organizer to fetch
diff --git a/doc/development/api/general.rst b/doc/development/api/general.rst
index fdd34717b..05cc1a267 100644
--- a/doc/development/api/general.rst
+++ b/doc/development/api/general.rst
@@ -103,4 +103,4 @@ API
 
 .. automodule:: pretix.api.signals
    :no-index:
-   :members: register_device_security_profile
+   :members: register_device_security_profile, order_api_details, orderposition_api_details
diff --git a/src/pretix/api/serializers/order.py b/src/pretix/api/serializers/order.py
index 6b32a8db5..2f7fd09d8 100644
--- a/src/pretix/api/serializers/order.py
+++ b/src/pretix/api/serializers/order.py
@@ -46,6 +46,7 @@ from pretix.api.serializers.i18n import I18nAwareModelSerializer
 from pretix.api.serializers.item import (
     InlineItemVariationSerializer, ItemSerializer, QuestionSerializer,
 )
+from pretix.api.signals import order_api_details, orderposition_api_details
 from pretix.base.decimal import round_decimal
 from pretix.base.i18n import language
 from pretix.base.models import (
@@ -494,6 +495,18 @@ class OrderPositionListSerializer(serializers.ListSerializer):
         return data
 
 
+class OrderPositionPluginDataField(serializers.Field):
+    def to_representation(self, value: OrderPosition):
+        d = {}
+        if value and value.pk:
+            for recv, resp in orderposition_api_details.send(
+                sender=self.context.get("event") or value.order.event,
+                orderposition=value
+            ):
+                d.update(resp)
+        return d
+
+
 class OrderPositionSerializer(I18nAwareModelSerializer):
     checkins = CheckinSerializer(many=True, read_only=True)
     print_logs = PrintLogSerializer(many=True, read_only=True)
@@ -504,6 +517,7 @@ class OrderPositionSerializer(I18nAwareModelSerializer):
     seat = InlineSeatSerializer(read_only=True)
     country = CompatibleCountryField(source='*')
     attendee_name = serializers.CharField(required=False)
+    plugin_data = OrderPositionPluginDataField(source='*', allow_null=True, read_only=True)
 
     class Meta:
         list_serializer_class = OrderPositionListSerializer
@@ -513,7 +527,7 @@ class OrderPositionSerializer(I18nAwareModelSerializer):
                   'attendee_email', 'voucher', 'tax_rate', 'tax_value', 'secret', 'addon_to', 'subevent', 'checkins',
                   'print_logs', 'downloads', 'answers', 'tax_rule', 'pseudonymization_id', 'pdf_data', 'seat', 'canceled',
                   'print_logs', 'downloads', 'answers', 'tax_rule', 'tax_code', 'pseudonymization_id', 'pdf_data', 'seat',
-                  'canceled', 'valid_from', 'valid_until', 'blocked', 'voucher_budget_use')
+                  'canceled', 'valid_from', 'valid_until', 'blocked', 'voucher_budget_use', 'plugin_data')
         read_only_fields = (
             'id', 'order', 'positionid', 'item', 'variation', 'price', 'voucher', 'tax_rate', 'tax_value', 'secret',
             'addon_to', 'subevent', 'checkins', 'downloads', 'answers', 'tax_rule', 'tax_code', 'pseudonymization_id',
@@ -730,6 +744,18 @@ class OrderListSerializer(serializers.ListSerializer):
         return data
 
 
+class OrderPluginDataField(serializers.Field):
+    def to_representation(self, value: Order):
+        d = {}
+        if value and value.pk:
+            for recv, resp in order_api_details.send(
+                sender=self.context.get("event") or value.event,
+                order=value
+            ):
+                d.update(resp)
+        return d
+
+
 class OrderSerializer(I18nAwareModelSerializer):
     event = SlugRelatedField(slug_field='slug', read_only=True)
     invoice_address = InvoiceAddressSerializer(allow_null=True)
@@ -747,6 +773,7 @@ class OrderSerializer(I18nAwareModelSerializer):
         queryset=SalesChannel.objects.none(),
         required=False,
     )
+    plugin_data = OrderPluginDataField(source='*', allow_null=True, read_only=True)
 
     class Meta:
         model = Order
@@ -755,7 +782,7 @@ class OrderSerializer(I18nAwareModelSerializer):
             'code', 'event', 'status', 'testmode', 'secret', 'email', 'phone', 'locale', 'datetime', 'expires', 'payment_date',
             'payment_provider', 'fees', 'total', 'comment', 'custom_followup_at', 'invoice_address', 'positions', 'downloads',
             'checkin_attention', 'checkin_text', 'last_modified', 'payments', 'refunds', 'require_approval', 'sales_channel',
-            'url', 'customer', 'valid_if_pending', 'api_meta', 'cancellation_date'
+            'url', 'customer', 'valid_if_pending', 'api_meta', 'cancellation_date', 'plugin_data',
         )
         read_only_fields = (
             'code', 'status', 'testmode', 'secret', 'datetime', 'expires', 'payment_date',
diff --git a/src/pretix/api/signals.py b/src/pretix/api/signals.py
index 40383d5d8..22cdd82ee 100644
--- a/src/pretix/api/signals.py
+++ b/src/pretix/api/signals.py
@@ -26,7 +26,7 @@ from django.utils.timezone import now
 from django_scopes import scopes_disabled
 
 from pretix.api.models import ApiCall, WebHookCall
-from pretix.base.signals import periodic_task
+from pretix.base.signals import EventPluginSignal, periodic_task
 from pretix.helpers.periodic import minimum_interval
 
 register_webhook_events = Signal()
@@ -43,6 +43,28 @@ return an instance of a subclass of ``pretix.api.auth.devicesecurity.BaseSecurit
 or a list of such instances.
 """
 
+order_api_details = EventPluginSignal()
+"""
+Arguments: ``order``
+
+This signal is sent out to fill the ``plugin_details`` field of the order API. Receivers
+should return a dictionary that is combined with the dictionaries of all other plugins.
+Note that doing database or network queries in receivers to this signal is discouraged
+and could cause serious performance issues. The main purpose is to provide information
+from e.g. ``meta_info`` to the API consumer,
+"""
+
+orderposition_api_details = EventPluginSignal()
+"""
+Arguments: ``orderposition``
+
+This signal is sent out to fill the ``plugin_details`` field of the order API. Receivers
+should return a dictionary that is combined with the dictionaries of all other plugins.
+Note that doing database or network queries in receivers to this signal is discouraged
+and could cause serious performance issues. The main purpose is to provide information
+from e.g. ``meta_info`` to the API consumer,
+"""
+
 
 @receiver(periodic_task)
 @scopes_disabled()
diff --git a/src/tests/api/test_giftcards.py b/src/tests/api/test_giftcards.py
index 780b64f73..bbc50fec2 100644
--- a/src/tests/api/test_giftcards.py
+++ b/src/tests/api/test_giftcards.py
@@ -162,6 +162,7 @@ def test_giftcard_detail_expand(token_client, organizer, event, giftcard):
         "tax_rule": None,
         "pseudonymization_id": op.pseudonymization_id,
         "pdf_data": {},
+        "plugin_data": {},
         "seat": None,
         "canceled": False,
         "valid_from": None,
diff --git a/src/tests/api/test_order_create.py b/src/tests/api/test_order_create.py
index a164a5008..7f1a18438 100644
--- a/src/tests/api/test_order_create.py
+++ b/src/tests/api/test_order_create.py
@@ -477,7 +477,8 @@ def test_order_create_simulate(token_client, organizer, event, item, quota, ques
                 'zipcode': None,
                 'state': None,
                 'country': None,
-                'canceled': False
+                'canceled': False,
+                'plugin_data': {},
             }
         ],
         'downloads': [],
@@ -487,7 +488,8 @@ def test_order_create_simulate(token_client, organizer, event, item, quota, ques
         'refunds': [],
         'require_approval': False,
         'sales_channel': 'web',
-        'cancellation_date': None
+        'cancellation_date': None,
+        'plugin_data': {},
     }
 
 
@@ -533,13 +535,15 @@ def test_order_create_positionids_addons_simulated(token_client, organizer, even
          'street': None, 'zipcode': None, 'city': None, 'country': None, 'state': None, 'attendee_email': None,
          'voucher': None, 'tax_rate': '19.00', 'tax_code': 'S/standard', 'tax_value': '3.67', 'discount': None, 'voucher_budget_use': None,
          'addon_to': None, 'subevent': None, 'checkins': [], 'print_logs': [], 'downloads': [], 'answers': [], 'tax_rule': item.tax_rule_id,
-         'pseudonymization_id': 'PREVIEW', 'seat': None, 'canceled': False, 'valid_from': None, 'valid_until': None, 'blocked': None},
+         'pseudonymization_id': 'PREVIEW', 'seat': None, 'canceled': False, 'valid_from': None, 'valid_until': None, 'blocked': None,
+         'plugin_data': {}},
         {'id': 0, 'order': '', 'positionid': 2, 'item': item.pk, 'variation': None, 'price': '23.00',
          'attendee_name': 'Peter', 'attendee_name_parts': {'full_name': 'Peter', '_scheme': 'full'}, 'company': None,
          'street': None, 'zipcode': None, 'city': None, 'country': None, 'state': None, 'attendee_email': None,
          'voucher': None, 'tax_rate': '19.00', 'tax_code': 'S/standard', 'tax_value': '3.67', 'discount': None, 'voucher_budget_use': None,
          'addon_to': 1, 'subevent': None, 'checkins': [], 'print_logs': [], 'downloads': [], 'answers': [], 'tax_rule': item.tax_rule_id,
-         'pseudonymization_id': 'PREVIEW', 'seat': None, 'canceled': False, 'valid_from': None, 'valid_until': None, 'blocked': None}
+         'pseudonymization_id': 'PREVIEW', 'seat': None, 'canceled': False, 'valid_from': None, 'valid_until': None, 'blocked': None,
+         'plugin_data': {}}
     ]
 
 
diff --git a/src/tests/api/test_orders.py b/src/tests/api/test_orders.py
index 79d12951d..3b59cfd46 100644
--- a/src/tests/api/test_orders.py
+++ b/src/tests/api/test_orders.py
@@ -236,6 +236,7 @@ TEST_ORDERPOSITION_RES = {
     ],
     "subevent": None,
     "canceled": False,
+    "plugin_data": {},
 }
 TEST_PAYMENTS_RES = [
     {
@@ -333,6 +334,7 @@ TEST_ORDER_RES = {
     "payments": TEST_PAYMENTS_RES,
     "refunds": TEST_REFUNDS_RES,
     "cancellation_date": None,
+    "plugin_data": {},
 }
 
 
diff --git a/src/tests/api/test_reusable_media.py b/src/tests/api/test_reusable_media.py
index 4a0ceea01..a415b3f54 100644
--- a/src/tests/api/test_reusable_media.py
+++ b/src/tests/api/test_reusable_media.py
@@ -203,7 +203,8 @@ def test_medium_detail(token_client, organizer, event, medium, giftcard, custome
             "canceled": False,
             "valid_from": None,
             "valid_until": None,
-            "blocked": None
+            "blocked": None,
+            "plugin_data": {},
         }
         assert resp.data["linked_giftcard"] == {
             "id": giftcard.pk,