diff --git a/endpoints/get_address_transactions.py b/endpoints/get_address_transactions.py
index 823b451..bafcfb6 100644
--- a/endpoints/get_address_transactions.py
+++ b/endpoints/get_address_transactions.py
@@ -33,7 +33,7 @@ async def get_transactions_for_address(
         kaspaAddress: str = Path(
             description="Kaspa address as string e.g. "
                         "kaspa:pzhh76qc82wzduvsrd9xh4zde9qhp0xc8rl7qu2mvl2e42uvdqt75zrcgpm00",
-            regex="^kaspa\:[a-z0-9]{61}$")):
+            regex="^kaspa\:[a-z0-9]{61,63}$")):
     """
     Get all transactions for a given address from database
     """
@@ -76,7 +76,7 @@ async def get_full_transactions_for_address(
         kaspaAddress: str = Path(
             description="Kaspa address as string e.g. "
                         "kaspa:pzhh76qc82wzduvsrd9xh4zde9qhp0xc8rl7qu2mvl2e42uvdqt75zrcgpm00",
-            regex="^kaspa\:[a-z0-9]{61}$"),
+            regex="^kaspa\:[a-z0-9]{61,63}$"),
         limit: int = Query(
             description="The number of records to get",
             ge=1,
@@ -114,7 +114,7 @@ async def get_transaction_count_for_address(
     kaspaAddress: str = Path(
             description="Kaspa address as string e.g. "
                         "kaspa:pzhh76qc82wzduvsrd9xh4zde9qhp0xc8rl7qu2mvl2e42uvdqt75zrcgpm00",
-            regex="^kaspa\:[a-z0-9]{61}$")
+            regex="^kaspa\:[a-z0-9]{61,63}$")
 ):
     """
     Count the number of transactions associated with this address
diff --git a/endpoints/get_balance.py b/endpoints/get_balance.py
index 60aec1d..6ccd08a 100644
--- a/endpoints/get_balance.py
+++ b/endpoints/get_balance.py
@@ -15,7 +15,7 @@ class BalanceResponse(BaseModel):
 async def get_balance_from_kaspa_address(
         kaspaAddress: str = Path(
             description="Kaspa address as string e.g. kaspa:pzhh76qc82wzduvsrd9xh4zde9qhp0xc8rl7qu2mvl2e42uvdqt75zrcgpm00",
-            regex="^kaspa\:[a-z0-9]{61}$")):
+            regex="^kaspa\:[a-z0-9]{61,63}$")):
     """
     Get balance for a given kaspa address
     """
diff --git a/endpoints/get_utxos.py b/endpoints/get_utxos.py
index 34262ec..1f9ce9e 100644
--- a/endpoints/get_utxos.py
+++ b/endpoints/get_utxos.py
@@ -32,7 +32,7 @@ class UtxoResponse(BaseModel):
 @app.get("/addresses/{kaspaAddress}/utxos", response_model=List[UtxoResponse], tags=["Kaspa addresses"])
 async def get_utxos_for_address(kaspaAddress: str = Path(
     description="Kaspa address as string e.g. kaspa:qqkqkzjvr7zwxxmjxjkmxxdwju9kjs6e9u82uh59z07vgaks6gg62v8707g73",
-    regex="^kaspa\:[a-z0-9]{61}$")):
+    regex="^kaspa\:[a-z0-9]{61,63}$")):
     """
     Lists all open utxo for a given kaspa address
     """