diff --git a/safe_eth/safe/api/transaction_service_api/transaction_service_api.py b/safe_eth/safe/api/transaction_service_api/transaction_service_api.py
index cb948502..bf47cc76 100644
--- a/safe_eth/safe/api/transaction_service_api/transaction_service_api.py
+++ b/safe_eth/safe/api/transaction_service_api/transaction_service_api.py
@@ -38,6 +38,7 @@ class TransactionServiceApi(SafeBaseAPI):
         EthereumNetwork.OPTIMISM: "https://safe-transaction-optimism.safe.global",
         EthereumNetwork.POLYGON: "https://safe-transaction-polygon.safe.global",
         EthereumNetwork.POLYGON_ZKEVM: "https://safe-transaction-zkevm.safe.global",
+        EthereumNetwork.SEI_NETWORK: "https://transaction.sei-safe.protofire.io/",
         EthereumNetwork.SEPOLIA: "https://safe-transaction-sepolia.safe.global",
         EthereumNetwork.ZKSYNC_MAINNET: "https://safe-transaction-zksync.safe.global",
     }