Create app.py

app.py

@@ -0,0 +1,33 @@
+import os
+from openai import OpenAI
+import gradio as gr
+
+# HF Spaces secret name: LLMAPI_KEY
+API_KEY = os.getenv("LLMAPI_KEY")
+
+BASE_URL = "https://api.llmapi.ai/v1"
+MODEL = "deepseek-v4-flash-0731"
+
+client = OpenAI(
+    base_url=BASE_URL,
+    api_key=API_KEY,
+)
+
+def generate(prompt: str):
+    if not API_KEY:
+        return "Missing API key. Add a HF Spaces secret named: LLMAPI_KEY"
+
+    resp = client.chat.completions.create(
+        model=MODEL,
+        messages=[{"role": "user", "content": prompt}],
+    )
+    return resp.choices[0].message.content
+
+with gr.Blocks() as demo:
+    gr.Markdown("# DeepSeek via llmapi.ai (hf.co Space)")
+    inp = gr.Textbox(label="Prompt", lines=4)
+    out = gr.Textbox(label="Response", lines=10)
+    btn = gr.Button("Send")
+    btn.click(generate, inputs=inp, outputs=out)
+
+demo.launch()