diff --git a/leggen/commands/transactions.py b/leggen/commands/transactions.py
index c7b5de3..c293ef4 100644
--- a/leggen/commands/transactions.py
+++ b/leggen/commands/transactions.py
@@ -51,9 +51,13 @@ def transactions(ctx: click.Context, account: str, limit: int, full: bool):
             # Full transaction details
             formatted_transactions = []
             for txn in transactions_data:
+                # Handle optional internal_transaction_id
+                txn_id = txn.get("internal_transaction_id")
+                txn_id_display = txn_id[:12] + "..." if txn_id else "N/A"
+
                 formatted_transactions.append(
                     {
-                        "ID": txn["internal_transaction_id"][:12] + "...",
+                        "ID": txn_id_display,
                         "Date": datefmt(txn["transaction_date"]),
                         "Description": txn["description"][:50] + "..."
                         if len(txn["description"]) > 50
@@ -67,6 +71,9 @@ def transactions(ctx: click.Context, account: str, limit: int, full: bool):
             # Summary view
             formatted_transactions = []
             for txn in transactions_data:
+                # Handle optional internal_transaction_id
+                txn_id = txn.get("internal_transaction_id")
+
                 formatted_transactions.append(
                     {
                         "Date": datefmt(txn["date"]),
diff --git a/leggend/services/gocardless_service.py b/leggend/services/gocardless_service.py
index 4a58293..4382f61 100644
--- a/leggend/services/gocardless_service.py
+++ b/leggend/services/gocardless_service.py
@@ -8,6 +8,19 @@ from loguru import logger
 from leggend.config import config
 
 
+def _log_rate_limits(response):
+    """Log GoCardless API rate limit headers"""
+    limit = response.headers.get("X-RateLimit-Limit")
+    remaining = response.headers.get("X-RateLimit-Remaining")
+    reset = response.headers.get("X-RateLimit-Reset")
+    account_success_reset = response.headers.get("X-RateLimit-Account-Success-Reset")
+
+    if limit or remaining or reset or account_success_reset:
+        logger.info(
+            f"GoCardless rate limits - Limit: {limit}, Remaining: {remaining}, Reset: {reset}s, Account Success Reset: {account_success_reset}"
+        )
+
+
 class GoCardlessService:
     def __init__(self):
         self.config = config.gocardless_config
@@ -42,6 +55,7 @@ class GoCardlessService:
                                 f"{self.base_url}/token/refresh/",
                                 json={"refresh": auth["refresh"]},
                             )
+                            _log_rate_limits(response)
                             response.raise_for_status()
                             auth.update(response.json())
                             self._save_auth(auth)
@@ -69,6 +83,7 @@ class GoCardlessService:
                         "secret_key": self.config["secret"],
                     },
                 )
+                _log_rate_limits(response)
                 response.raise_for_status()
                 auth = response.json()
                 self._save_auth(auth)
@@ -95,6 +110,7 @@ class GoCardlessService:
                 headers=headers,
                 params={"country": country},
             )
+            _log_rate_limits(response)
             response.raise_for_status()
             return response.json()
 
@@ -109,6 +125,7 @@ class GoCardlessService:
                 headers=headers,
                 json={"institution_id": institution_id, "redirect": redirect_url},
             )
+            _log_rate_limits(response)
             response.raise_for_status()
             return response.json()
 
@@ -119,6 +136,7 @@ class GoCardlessService:
             response = await client.get(
                 f"{self.base_url}/requisitions/", headers=headers
             )
+            _log_rate_limits(response)
             response.raise_for_status()
             return response.json()
 
@@ -129,6 +147,7 @@ class GoCardlessService:
             response = await client.get(
                 f"{self.base_url}/accounts/{account_id}/", headers=headers
             )
+            _log_rate_limits(response)
             response.raise_for_status()
             return response.json()
 
@@ -139,6 +158,7 @@ class GoCardlessService:
             response = await client.get(
                 f"{self.base_url}/accounts/{account_id}/balances/", headers=headers
             )
+            _log_rate_limits(response)
             response.raise_for_status()
             return response.json()
 
@@ -149,5 +169,6 @@ class GoCardlessService:
             response = await client.get(
                 f"{self.base_url}/accounts/{account_id}/transactions/", headers=headers
             )
+            _log_rate_limits(response)
             response.raise_for_status()
             return response.json()