diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..39a8c6b
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1,3 @@
+from .nodes import NODE_CLASS_MAPPINGS, NODE_DISPLAY_NAME_MAPPINGS
+
+__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS"]
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..66838c2
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,2 @@
+requests>=2.31.0
+Pillow>=10.0.0
diff --git a/nodes.py b/nodes.py
new file mode 100644
index 0000000..f9331e5
--- /dev/null
+++ b/nodes.py
@@ -0,0 +1,77 @@
+import json
+from pathlib import Path
+from typing import Any, Tuple
+
+import requests
+
+
+KIE_KEY_PATH = Path(__file__).resolve().parent / "config" / "kie_key.txt"
+API_URL = "https://api.kie.ai/api/v1/chat/credit"
+
+
+def _load_api_key() -> str:
+    try:
+        api_key = KIE_KEY_PATH.read_text(encoding="utf-8").strip()
+    except FileNotFoundError as exc:
+        raise RuntimeError(
+            "KIE API key not found. Please create config/kie_key.txt with your API key."
+        ) from exc
+    if not api_key:
+        raise RuntimeError("KIE API key file is empty. Please add your key to config/kie_key.txt.")
+    return api_key
+
+
+def _fetch_remaining_credits(api_key: str) -> Tuple[str, int]:
+    try:
+        response = requests.get(
+            API_URL, headers={"Authorization": f"Bearer {api_key}"}, timeout=30
+        )
+    except requests.RequestException as exc:
+        raise RuntimeError(f"Failed to call remaining credits endpoint: {exc}") from exc
+
+    raw_text = response.text
+    try:
+        payload: Any = response.json()
+    except json.JSONDecodeError as exc:
+        raise RuntimeError("Remaining credits endpoint did not return valid JSON.") from exc
+
+    code = payload.get("code")
+    msg = payload.get("msg")
+    data = payload.get("data")
+
+    if code != 200:
+        raise RuntimeError(f"Remaining credits endpoint returned error code {code}: {msg}")
+
+    try:
+        credits_remaining = int(data)
+    except (TypeError, ValueError) as exc:
+        raise RuntimeError("Remaining credits value is not an integer.") from exc
+
+    return raw_text, credits_remaining
+
+
+def _log(enabled: bool, msg: str) -> None:
+    if enabled:
+        print(f"[KIE] {msg}")
+
+
+class KIE_GetRemainingCredits:
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {"required": {"log": ("BOOLEAN", {"default": True})}}
+
+    RETURN_TYPES = ("STRING", "INT")
+    RETURN_NAMES = ("raw_json", "credits_remaining")
+    FUNCTION = "get_remaining_credits"
+    CATEGORY = "kie/api"
+
+    def get_remaining_credits(self, log: bool):
+        _log(log, "Requesting remaining credits...")
+        api_key = _load_api_key()
+        raw_json, credits_remaining = _fetch_remaining_credits(api_key)
+        _log(log, f"Credits remaining: {credits_remaining}")
+        return (raw_json, credits_remaining)
+
+
+NODE_CLASS_MAPPINGS = {"KIE_GetRemainingCredits": KIE_GetRemainingCredits}
+NODE_DISPLAY_NAME_MAPPINGS = {"KIE_GetRemainingCredits": "KIE Get Remaining Credits"}