diff --git a/indexer/.env.example b/indexer/.env.example
index 191d124..54f88b2 100644
--- a/indexer/.env.example
+++ b/indexer/.env.example
@@ -1,3 +1,15 @@
-RPC_URL=
-ADDRESS=
-START_BLOCK=
+# (Optional) Postgres database URL. If not provided, SQLite will be used. 
+DATABASE_URL=
+
+LIT_PRIVATE_KEY= 
+LIT_PKP_PUBLIC_KEY=
+
+RANDOMNESS_SEQUENCER_CONTRACT_ADDRESS=
+RANDOM_CONTRACT_ADDRESS=
+
+APPCHAIN_CHAIN_ID=
+APPCHAIN_RPC_URL=
+SEQUENCING_CHAIN_ID=
+SEQUENCING_CHAIN_RPC_URL=
+
+DRAND_API_URL=