diff --git a/apps/api/.env.example b/apps/api/.env.example
index e02e757..64e4a65 100644
--- a/apps/api/.env.example
+++ b/apps/api/.env.example
@@ -1,5 +1,7 @@
 PORT=3000 # Port to run the API server on
 
+ENVIRONMENT="" # Environment: 'mainnet' | 'testnet' | 'local'
+
 BRIDGE_HUB_ADDRESS="" 
 SHARED_BRIDGE_ADDRESS="" 
 STATE_MANAGER_ADDRESSES="" #CSV list of State managers addresses
@@ -7,6 +9,11 @@ STATE_MANAGER_ADDRESSES="" #CSV list of State managers addresses
 L1_RPC_URLS="" #CSV list of L1 RPC URLs
 L2_RPC_URLS="" #CSV list of L2 RPC URLs
 
+PRICING_SOURCE="dummy" # Pricing source: 'dummy' | 'coingecko'
+
+DUMMY_PRICE="1" # Dummy price for the 'dummy' pricing source (optional)
+
+# CoinGecko API
 COINGECKO_API_KEY='' # CoinGecko API key
 COINGECKO_BASE_URL='' # CoinGecko API base URL for the API version you are using
 COINGECKO_API_TYPE='' # CoinGecko API Type: 'demo' or 'pro'