diff --git a/README.md b/README.md
index 1b251a9..8e2d753 100644
--- a/README.md
+++ b/README.md
@@ -214,6 +214,7 @@ except FopostError as err:
 | `ads`        | `list`, `external`, `boostable`, `connections`, `sources`, `authorize_meta`, `delete_connection`, `boost`, `create`, `refresh`, `set_status`, `delete`, `audiences`, `create_audience`, `search_targeting`, `lead_forms`, `create_lead_form`, `leads`, `account_tree`, `create_campaign`, `get_campaign`, `update_campaign`, `delete_campaign`, `duplicate_campaign`, `create_ad_set`, `get_ad_set`, `update_ad_set`, `delete_ad_set`, `duplicate_ad_set`, `create_network_ad`, `get_network_ad`, `update_network_ad`, `delete_network_ad`, `duplicate_network_ad`, `bulk_set_status`, `creatives`, `create_creative`, `get_creative`, `delete_creative`, `get_audience`, `update_audience`, `delete_audience`, `add_audience_users`, `estimate_reach`, `insights`, `ad_insights`, `get_lead_form`, `archive_lead_form`, `leads_feed`, `lead_pages`, `subscribe_lead_page`, `unsubscribe_lead_page`, `goals`, `catalogs`, `create_catalog`, `get_catalog`, `update_catalog`, `delete_catalog`, `catalog_products`, `write_catalog_products`, `product_feeds`, `create_product_feed`, `delete_product_feed`, `feed_uploads`, `start_feed_upload`, `product_sets`, `create_product_set`, `update_product_set`, `delete_product_set`, `reach_frequency`, `create_reach_frequency`, `get_reach_frequency`, `reserve_reach_frequency`, `cancel_reach_frequency`, `library`, `partnership_creators`, `request_partnership`, `revoke_partnership`, `account_activity`, `labels`, `create_label`, `update_label`, `delete_label`, `apply_label`, `studies`, `create_study`, `get_study`, `delete_study`, `ios_campaign_limits`, `high_demand_periods`, `create_high_demand_period`, `delete_high_demand_period`, `value_rule_sets`, `create_value_rule_set`, `delete_value_rule_set` |
 | `knowledge`  | `list`, `create`, `update`, `delete`, `sync`, `search` |
 | `validate`   | `post`, `length`, `media` |
+| `activity`   | `list` |
 
 For an endpoint the SDK does not wrap yet, `client.request` sends an
 authenticated call and hands back the decoded body:
diff --git a/src/fopost/__init__.py b/src/fopost/__init__.py
index 005cb98..dfceb24 100644
--- a/src/fopost/__init__.py
+++ b/src/fopost/__init__.py
@@ -34,6 +34,9 @@
     AccountGroup,
     AccountMove,
     AccountRename,
+    ActivityActor,
+    ActivityEvent,
+    ActivityPage,
     Ad,
     AdAccountTree,
     AdCampaign,
@@ -161,6 +164,9 @@
     "AccountGroup",
     "AccountMove",
     "AccountRename",
+    "ActivityActor",
+    "ActivityEvent",
+    "ActivityPage",
     "Ad",
     "AdConnection",
     "AdInsights",
diff --git a/src/fopost/client.py b/src/fopost/client.py
index aaa9ea5..7842fe4 100644
--- a/src/fopost/client.py
+++ b/src/fopost/client.py
@@ -12,6 +12,7 @@
 from .resources import (
     AccountGroupsResource,
     AccountsResource,
+    ActivityResource,
     AdsResource,
     AiResource,
     BroadcastsResource,
@@ -81,6 +82,7 @@ def __init__(
         self.ads = AdsResource(self._http)
         self.validate = ValidateResource(self._http)
         self.knowledge = KnowledgeResource(self._http)
+        self.activity = ActivityResource(self._http)
 
     @property
     def base_url(self) -> str:
diff --git a/src/fopost/models.py b/src/fopost/models.py
index 89a3c23..af58f98 100644
--- a/src/fopost/models.py
+++ b/src/fopost/models.py
@@ -20,6 +20,11 @@
     "PostStatus",
     "AccountGroup",
     "AccountMove",
+    "ACTIVITY_KINDS",
+    "ActivityKind",
+    "ActivityActor",
+    "ActivityEvent",
+    "ActivityPage",
     "AccountRename",
     "Ad",
     "AdConnection",
@@ -1604,3 +1609,51 @@ class Enrollment(FopostModel):
     last_sent_at: datetime | None = None
     #: On a skipped step, the reason it was skipped.
     error: str | None = None
+
+
+ACTIVITY_KINDS = (
+    "publish",
+    "connection",
+    "webhook",
+    "inbox",
+    "automation",
+    "billing",
+    "security",
+)
+ActivityKind = Literal[
+    "publish", "connection", "webhook", "inbox", "automation", "billing", "security"
+]
+
+
+class ActivityActor(FopostModel):
+    """Who did it. ``name`` is absent for a system event."""
+
+    type: Literal["user", "api_key", "agent", "system"]
+    name: str | None = None
+
+
+class ActivityEvent(FopostModel):
+    id: str
+    workspace_id: str | None = None
+    kind: str
+    ref_type: str | None = None
+    ref_id: str | None = None
+    summary: str
+    actor: ActivityActor
+    time: datetime
+
+
+class ActivityPage(FopostModel):
+    """One page of activity, newest first, plus the cursor for the next."""
+
+    items: list[ActivityEvent] = []
+    next_cursor: str | None = None
+
+    def __iter__(self) -> Any:
+        return iter(self.items)
+
+    def __len__(self) -> int:
+        return len(self.items)
+
+    def __getitem__(self, index: int) -> ActivityEvent:
+        return self.items[index]
diff --git a/src/fopost/resources/__init__.py b/src/fopost/resources/__init__.py
index 5b1dcdd..6ff5b46 100644
--- a/src/fopost/resources/__init__.py
+++ b/src/fopost/resources/__init__.py
@@ -1,5 +1,6 @@
 from .account_groups import AccountGroupsResource
 from .accounts import AccountsResource
+from .activity import ActivityResource
 from .ads import AdsResource
 from .ai import AiResource
 from .broadcasts import BroadcastsResource, SequencesResource
@@ -15,6 +16,7 @@
 __all__ = [
     "AccountGroupsResource",
     "AccountsResource",
+    "ActivityResource",
     "AdsResource",
     "AiResource",
     "BroadcastsResource",
diff --git a/src/fopost/resources/activity.py b/src/fopost/resources/activity.py
new file mode 100644
index 0000000..a8b875d
--- /dev/null
+++ b/src/fopost/resources/activity.py
@@ -0,0 +1,49 @@
+"""``client.activity`` — what happened in a workspace, and the audit log."""
+
+from __future__ import annotations
+
+from datetime import datetime
+
+from ..models import ActivityEvent, ActivityKind, ActivityPage
+from ._base import Resource
+
+__all__ = ["ActivityResource"]
+
+
+def _when(value: datetime | str | None) -> str | None:
+    return value.isoformat() if isinstance(value, datetime) else value
+
+
+class ActivityResource(Resource):
+    def list(
+        self,
+        *,
+        workspace_id: str | None = None,
+        kind: ActivityKind | None = None,
+        from_: datetime | str | None = None,
+        to: datetime | str | None = None,
+        cursor: str | None = None,
+        limit: int | None = None,
+    ) -> ActivityPage:
+        """Newest first. Omit ``workspace_id`` to read every workspace the key can reach.
+
+        ``kind="security"`` is the audit log: members joining, leaving or changing
+        role and access, and changes to two-step verification, passkeys, single
+        sign-on and signed-in devices. Those rows are append-only and never expire.
+        """
+        body = self._http.get(
+            "/activity",
+            {
+                "workspace_id": workspace_id,
+                "kind": kind,
+                "from": _when(from_),
+                "to": _when(to),
+                "cursor": cursor,
+                "limit": limit,
+            },
+        )
+        data = body.get("data") if isinstance(body, dict) else None
+        meta = body.get("meta") if isinstance(body, dict) else None
+        items = [ActivityEvent.model_validate(row) for row in data or []]
+        next_cursor = meta.get("next_cursor") if isinstance(meta, dict) else None
+        return ActivityPage(items=items, next_cursor=next_cursor)
diff --git a/tests/test_activity.py b/tests/test_activity.py
new file mode 100644
index 0000000..82c47d1
--- /dev/null
+++ b/tests/test_activity.py
@@ -0,0 +1,57 @@
+from __future__ import annotations
+
+from datetime import datetime, timezone
+
+import httpx
+import respx
+
+from fopost import Fopost
+from tests.conftest import BASE_URL
+
+SECURITY_EVENT = {
+    "id": "evt_1",
+    "workspace_id": "ws_1",
+    "kind": "security",
+    "ref_type": "member_removed",
+    "ref_id": "usr_2",
+    "summary": "Removed sam@example.com",
+    "actor": {"type": "user", "name": "Ada"},
+    "time": "2026-09-20T10:00:00Z",
+}
+
+
+@respx.mock
+def test_reads_the_audit_log_and_keeps_the_cursor(client: Fopost) -> None:
+    route = respx.get(f"{BASE_URL}/activity").mock(
+        return_value=httpx.Response(
+            200, json={"data": [SECURITY_EVENT], "meta": {"next_cursor": "42"}}
+        )
+    )
+
+    page = client.activity.list(
+        workspace_id="ws_1",
+        kind="security",
+        from_=datetime(2026, 9, 1, tzinfo=timezone.utc),
+        limit=1,
+    )
+
+    params = route.calls[0].request.url.params
+    assert params["kind"] == "security"
+    assert params["workspace_id"] == "ws_1"
+    assert params["from"].startswith("2026-09-01")
+    assert len(page) == 1
+    assert page[0].ref_type == "member_removed"
+    assert page[0].actor.name == "Ada"
+    assert page.next_cursor == "42"
+
+
+@respx.mock
+def test_the_end_of_the_list_is_a_null_cursor(client: Fopost) -> None:
+    respx.get(f"{BASE_URL}/activity").mock(
+        return_value=httpx.Response(200, json={"data": [], "meta": {"next_cursor": None}})
+    )
+
+    page = client.activity.list()
+
+    assert list(page) == []
+    assert page.next_cursor is None