diff --git a/runcycles/models.py b/runcycles/models.py
index f8b56d1..0e2183c 100644
--- a/runcycles/models.py
+++ b/runcycles/models.py
@@ -64,12 +64,15 @@ class ErrorCode(str, Enum):
     FORBIDDEN = "FORBIDDEN"
     NOT_FOUND = "NOT_FOUND"
     BUDGET_EXCEEDED = "BUDGET_EXCEEDED"
+    BUDGET_FROZEN = "BUDGET_FROZEN"
+    BUDGET_CLOSED = "BUDGET_CLOSED"
     RESERVATION_EXPIRED = "RESERVATION_EXPIRED"
     RESERVATION_FINALIZED = "RESERVATION_FINALIZED"
     IDEMPOTENCY_MISMATCH = "IDEMPOTENCY_MISMATCH"
     UNIT_MISMATCH = "UNIT_MISMATCH"
     OVERDRAFT_LIMIT_EXCEEDED = "OVERDRAFT_LIMIT_EXCEEDED"
     DEBT_OUTSTANDING = "DEBT_OUTSTANDING"
+    MAX_EXTENSIONS_EXCEEDED = "MAX_EXTENSIONS_EXCEEDED"
     INTERNAL_ERROR = "INTERNAL_ERROR"
     UNKNOWN = "UNKNOWN"
 
@@ -318,6 +321,7 @@ class EventCreateResponse(BaseModel):
 
     status: EventStatus
     event_id: str
+    charged: Amount | None = None
     balances: list[Balance] | None = None