diff --git a/examples/pipelines/gpt_4o_multimodal_rag/.env b/examples/pipelines/adaptive-rag/.env.example
similarity index 100%
rename from examples/pipelines/gpt_4o_multimodal_rag/.env
rename to examples/pipelines/adaptive-rag/.env.example
diff --git a/examples/pipelines/demo-question-answering/.env.example b/examples/pipelines/demo-question-answering/.env.example
new file mode 100644
index 0000000..b82e13a
--- /dev/null
+++ b/examples/pipelines/demo-question-answering/.env.example
@@ -0,0 +1 @@
+OPENAI_API_KEY="sk-***"
diff --git a/examples/pipelines/gpt_4o_multimodal_rag/.env.example b/examples/pipelines/gpt_4o_multimodal_rag/.env.example
new file mode 100644
index 0000000..b82e13a
--- /dev/null
+++ b/examples/pipelines/gpt_4o_multimodal_rag/.env.example
@@ -0,0 +1 @@
+OPENAI_API_KEY="sk-***"