diff --git a/README.md b/README.md
index 0f02f58..5fd628a 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,8 @@ Server starts at `http://localhost:8081/v1`.
 
 ### curl
 
+#### bash / macOS / Linux
+
 ```bash
 curl http://localhost:8081/v1/chat/completions \
   -H "Content-Type: application/json" \
@@ -49,6 +51,14 @@ curl http://localhost:8081/v1/chat/completions \
   -d '{"model":"gemini-3.5-flash","messages":[{"role":"user","content":"Hello!"}]}'
 ```
 
+#### PowerShell (Windows)
+
+```powershell
+curl.exe --% http://127.0.0.1:8081/v1/chat/completions -H "Content-Type: application/json" -H "Authorization: Bearer sk-your-key" -d "{\"model\":\"gemini-3.5-flash\",\"messages\":[{\"role\":\"user\",\"content\":\"Hello!\"}]}"
+```
+
+> Note: On Windows PowerShell, use `curl.exe` and `--%` so PowerShell does not reinterpret JSON quoting or curl options.
+
 ### OpenAI Python SDK
 
 ```python