diff --git a/src/textbee/__init__.py b/src/textbee/__init__.py
index 84f5490..f6d5d65 100644
--- a/src/textbee/__init__.py
+++ b/src/textbee/__init__.py
@@ -17,6 +17,8 @@
     Direction,
     Message,
     MessageDevice,
+    MessageIssueEntry,
+    MessageIssueSource,
     MessageList,
     MessageListMeta,
     MessageStatus,
@@ -39,6 +41,8 @@
     "Direction",
     "Message",
     "MessageDevice",
+    "MessageIssueEntry",
+    "MessageIssueSource",
     "MessageList",
     "MessageListMeta",
     "MessageStatus",
diff --git a/src/textbee/_types.py b/src/textbee/_types.py
index 013845a..23de68b 100644
--- a/src/textbee/_types.py
+++ b/src/textbee/_types.py
@@ -121,6 +121,32 @@ class MessageDevice(_MessageDeviceRequired, total=False):
     enabled: bool
 
 
+MessageIssueSource = Literal["push", "device", "server"]
+"""Where a failure was reported from."""
+
+
+class _MessageIssueEntryRequired(TypedDict):
+    code: str
+    at: str
+    """When the failure happened. ISO date."""
+
+    source: MessageIssueSource
+
+
+class MessageIssueEntry(_MessageIssueEntryRequired, total=False):
+    """One failure a message had. Kept after the message later succeeds."""
+
+    message: str
+    backfilled: bool
+    """Set on entries rebuilt from old message fields."""
+
+    deliveryReport: bool
+    """True for a delivery report that did not confirm delivery.
+
+    The message was sent; this is not a send failure.
+    """
+
+
 class _MessageRequired(TypedDict):
     _id: str
     message: str
@@ -142,9 +168,28 @@ class _MessageFields(_MessageRequired, total=False):
     sentAt: str
     deliveredAt: str
     failedAt: str
+    """When the message failed. Present only while status is ``failed``."""
+
     receivedAt: str
     errorCode: str
+    """Current failure code. Present only while status is ``failed``.
+
+    Test accounts can keep ``FCM_SEND_SKIPPED``.
+    """
+
     errorMessage: str
+    """Current failure text.
+
+    Present only while status is ``failed``, or as a timeout note on ``unknown``.
+    """
+
+    issueHistory: List[MessageIssueEntry]
+    """Every failure the message had, plus unconfirmed delivery reports.
+
+    Delivery reports carry ``deliveryReport: true`` and are not failures.
+    Oldest first. At most 15: the first 5 and the newest 10.
+    """
+
     simSubscriptionId: int
     smsBatch: str
     createdAt: str
diff --git a/src/textbee/_version.py b/src/textbee/_version.py
index 485f44a..d3ec452 100644
--- a/src/textbee/_version.py
+++ b/src/textbee/_version.py
@@ -1 +1 @@
-__version__ = "0.1.1"
+__version__ = "0.2.0"
diff --git a/tests/test_client.py b/tests/test_client.py
index 0aa7428..2f48edf 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -329,6 +329,34 @@ def test_returns_get_messages_as_data_and_meta_because_it_has_no_outer_wrapper(
         assert query["limit"] == "50"
         assert "type" not in query
 
+    def test_returns_error_history_on_a_message_that_failed_and_later_succeeded(
+        self, http: FakeUrlopen
+    ) -> None:
+        entry = {
+            "code": "FCM_SEND_FAILED",
+            "message": "push failed",
+            "at": "2026-10-01T10:00:00.000Z",
+            "source": "push",
+            "backfilled": True,
+        }
+        page = {
+            "data": [
+                {
+                    "_id": "sms-2",
+                    "message": "hi",
+                    "type": "SENT",
+                    "status": "sent",
+                    "issueHistory": [entry],
+                }
+            ],
+            "meta": {},
+        }
+        http.respond(200, page)
+
+        result = client().get_messages()
+
+        assert result["data"][0]["issueHistory"] == [entry]
+
     def test_sends_no_query_at_all_for_a_bare_get_messages(self, http: FakeUrlopen) -> None:
         http.respond(200, {"data": [], "meta": {}})