diff --git a/.env.example b/.env.example
index 081c9026..5d231931 100644
--- a/.env.example
+++ b/.env.example
@@ -40,13 +40,28 @@ GOOGLE_OAUTH_CLIENT_SECRET=
 MICROSOFT_GRAPH_OAUTH_CLIENT_ID=
 MICROSOFT_GRAPH_OAUTH_CLIENT_SECRET=
 
+# AWS Access Key ID and Secret Access Key with access to your S3 instance
+AWS_ACCESS_KEY_ID=
+AWS_SECRET_ACCESS_KEY=
+
 # OPTIONAL: dns routable from google (etc.) to handle continous ingest (something like ngrok works). This enables continous ingestion
 WEBHOOK_BASE_URL=
 
+# Model Provider API Keys
 OPENAI_API_KEY=
+ANTHROPIC_API_KEY=
+OLLAMA_ENDPOINT=
+WATSONX_API_KEY=
+WATSONX_ENDPOINT=
+WATSONX_PROJECT_ID=
 
-AWS_ACCESS_KEY_ID=
-AWS_SECRET_ACCESS_KEY=
+# LLM Provider configuration. Providers can be "anthropic", "watsonx", "ibm" or "ollama".
+LLM_PROVIDER=
+LLM_MODEL=
+
+# Embedding provider configuration. Providers can be "watsonx", "ibm" or "ollama".
+EMBEDDING_PROVIDER=
+EMBEDDING_MODEL=
 
 # OPTIONAL url for openrag link to langflow in the UI
 LANGFLOW_PUBLIC_URL=