diff --git a/fastlane_bot/config/network.py b/fastlane_bot/config/network.py
index 649bf4885..3326452c4 100644
--- a/fastlane_bot/config/network.py
+++ b/fastlane_bot/config/network.py
@@ -791,21 +791,21 @@ class _ConfigNetworkSei(ConfigNetwork):
     """
 
     NETWORK = S.NETWORK_SEI
-    NETWORK_ID = "1" # TODO
+    NETWORK_ID = "1329" # TODO
     NETWORK_NAME = "sei"
     DEFAULT_PROVIDER = S.PROVIDER_ALCHEMY
-    RPC_ENDPOINT = "https://evm-rpc.sei-apis.com/"
+    RPC_ENDPOINT = "https://evm-rpc.sei-apis.com/?x-apikey="
     WEB3_ALCHEMY_PROJECT_ID = os.environ.get("WEB3_SEI")
 
     network_df = get_multichain_addresses(network=NETWORK_NAME)
-    FASTLANE_CONTRACT_ADDRESS = "0xC7Dd38e64822108446872c5C2105308058c5C55C" #TODO - UPDATE WITH Mainnet
-    MULTICALL_CONTRACT_ADDRESS = "0xcA11bde05977b3631167028862bE2a173976CA11"
+    FASTLANE_CONTRACT_ADDRESS = "0x6619871118D144c1c28eC3b23036FC1f0829ed3a"
+    MULTICALL_CONTRACT_ADDRESS = "0x1E05037b9c4fEFaF3c45CD6F4F2C3197e6A43cD8"
 
     CARBON_CONTROLLER_ADDRESS = "0xe4816658ad10bF215053C533cceAe3f59e1f1087"
     CARBON_CONTROLLER_VOUCHER = "0xA4682A2A5Fe02feFF8Bd200240A41AD0E6EaF8d5"
 
     NATIVE_GAS_TOKEN_ADDRESS = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE"
-    WRAPPED_GAS_TOKEN_ADDRESS = "0x57eE725BEeB991c70c53f9642f36755EC6eb2139" # TODO confirm for Mainnet
+    WRAPPED_GAS_TOKEN_ADDRESS = "0xE30feDd158A2e3b13e9badaeABaFc5516e95e8C7"
     NATIVE_GAS_TOKEN_SYMBOL = "SEI"
     WRAPPED_GAS_TOKEN_SYMBOL = "WSEI"
     STABLECOIN_ADDRESS = "0xace5f7Ea93439Af39b46d2748fA1aC19951c8d7C" #TODO USDC on devnet
@@ -815,7 +815,7 @@ class _ConfigNetworkSei(ConfigNetwork):
     BALANCER_VAULT_ADDRESS = "0x7ccBebeb88696f9c8b061f1112Bb970158e29cA5" # # TODO Jellyswap on devnet
 
     CHAIN_FLASHLOAN_TOKENS = {
-        "0x57eE725BEeB991c70c53f9642f36755EC6eb2139": "WSEI", #TODO confirm for Mainnet
+        "0xE30feDd158A2e3b13e9badaeABaFc5516e95e8C7": "WSEI", 
         "0xace5f7Ea93439Af39b46d2748fA1aC19951c8d7C": "USDC", #TODO confirm for Mainnet
     }
     # Add any exchanges unique to the chain here
diff --git a/fastlane_bot/data/blockchain_data/sei/tokens.csv b/fastlane_bot/data/blockchain_data/sei/tokens.csv
new file mode 100644
index 000000000..aaf902162
--- /dev/null
+++ b/fastlane_bot/data/blockchain_data/sei/tokens.csv
@@ -0,0 +1,4 @@
+address,decimals,symbol
+0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE,18,SEI
+0xE30feDd158A2e3b13e9badaeABaFc5516e95e8C7,18,WSEI
+