Update README.md

README.md

@@ -25,7 +25,38 @@ Also make sure to add `server_name="0.0.0.0"` in your `launch()` call to make su
  
 ### Example API Request Payload
 
-```json
+get a image you want to use, e.g.
+
+```bash
+!wget https://datasets-server.huggingface.co/assets/naver-clova-ix/cord-v2/--/naver-clova-ix--cord-v2/train/0/image/image.jpg
+```
+
+run inference
+
+```python
+import requests as r
+import base64
+
+ENDPOINT_URL = ""
+HF_TOKEN = ""
+
+def predict(path_to_image: str = None):
+    ext = path_to_image.split('.')[-1]
+    prefix = f'data:image/{ext};base64,'
+    with open(path_to_image, 'rb') as f:
+        img = f.read()
+
+    payload = {"data": [prefix + base64.b64encode(img).decode('utf-8')]}
+    response = r.post(
+        f"{ENDPOINT_URL}/api/predict", headers={"Authorization": f"Bearer {HF_TOKEN}"}, json=payload
+    )
+    if response.status_code == 200:
+        return response.json()
+    else:
+        raise Exception(f"Error: {response.status_code}")
+
+
+prediction = predict(path_to_image="image.jpg")
 
 ```