diff --git a/swap_relayer/.env.sample b/swap_relayer/.env.sample
index a07ed7b..3a06dbf 100644
--- a/swap_relayer/.env.sample
+++ b/swap_relayer/.env.sample
@@ -5,22 +5,22 @@ SPY_SERVICE_HOST=localhost:7073
 
 EVM_CHAINS=ETH,BSC,POLYGON,AVAX
 
-ETH_PROVIDER=https://goerli.infura.io/v3/your_project_id
+ETH_PROVIDER=https://goerli.infura.io/v3/YOUR_PROJECT_ID
 ETH_TOKEN_BRIDGE_ADDRESS=0xF890982f9310df57d00f659cf4fd87e65adEd8d7
 ETH_CHAIN_ID=2
 ETH_ABI=V3
 
-BSC_PROVIDER=
+BSC_PROVIDER="https://data-seed-prebsc-1-s1.binance.org:8545"
 BSC_TOKEN_BRIDGE_ADDRESS=0x9dcF9D205C9De35334D646BeE44b2D2859712A09
 BSC_CHAIN_ID=4
 BSC_ABI=V2
 
-POLYGON_PROVIDER=https://polygon-mumbai.infura.io/v3/your_project_id
+POLYGON_PROVIDER=https://polygon-mumbai.infura.io/v3/YOUR_PROJECT_ID
 POLYGON_TOKEN_BRIDGE_ADDRESS=0x377D55a7928c046E18eEbb61977e714d2a76472a
 POLYGON_CHAIN_ID=5
 POLYGON_ABI=V2
 
-AVAX_PROVIDER=
+AVAX_PROVIDER="https://api.avax-test.network/ext/bc/C/rpc"
 AVAX_TOKEN_BRIDGE_ADDRESS=0x61E44E506Ca5659E6c0bba9b678586fA2d729756
 AVAX_CHAIN_ID=6
 AVAX_ABI=V2
@@ -41,4 +41,4 @@ ETH_CONTRACT_ADDRESS=0x9e7Cae3a46ED297b0a05FCEeb41160fC5218E14f
 BSC_CONTRACT_ADDRESS=0x0DC183c2eFAA5e1749B85f13621F5cC6aCcDa786
 POLYGON_CONTRACT_ADDRESS=0x72F2F646dC979a9fA8aA685B8a47b7afe2fE0516
 TERRA_CONTRACT_ADDRESS=terra163shc8unyqrndgcldaj2q9kgnqs82v0kgkhynf
-AVAX_CONTRACT_ADDRESS=0x52D8A50AF35b0760335F29a4D6aaF0604B7D7484
\ No newline at end of file
+AVAX_CONTRACT_ADDRESS=0x52D8A50AF35b0760335F29a4D6aaF0604B7D7484