diff --git a/post-vault.py b/post-vault.py
new file mode 100644
index 0000000..ff92301
--- /dev/null
+++ b/post-vault.py
@@ -0,0 +1,71 @@
+import sys
+import requests
+session = requests.Session()
+session.headers.update({"User-Agent": "unshackle v4.0.0"})
+api_session_id = None
+
+def insert_key(host: str, token: str, kid: str, key: str, service: str) -> bool:
+    global api_session_id
+    params = {"kid": kid, "key": key, "service": service.lower()}
+    if api_session_id:
+        params["session_id"] = api_session_id
+    r = session.post(host, json={"method": "InsertKey", "params": params, "token": token})
+    res = r.json()
+    if isinstance(res.get("message"), dict):
+        if sid := res["message"].get("session_id"):
+            api_session_id = sid
+        return res["message"].get("inserted", False)
+    return False
+
+def parse_pairs(text: str) -> list[tuple[str, str]]:
+    pairs = []
+    for line in text.replace(";", "\n").splitlines():
+        line = line.strip()
+        if not line or ":" not in line:
+            continue
+        kid, key = line.split(":", 1)
+        kid, key = kid.strip().lower(), key.strip().lower()
+        if len(kid) == 32 and len(key) == 32:
+            pairs.append((kid, key))
+        else:
+            print(f"Invalid format: {line}")
+    return pairs
+
+print("Vault Key Uploader\n")
+
+host    = input("Vault Host: ").strip()
+token   = input("Token: ").strip()
+service = input("Service: ").strip()
+
+if len(sys.argv) > 1:
+    file_path = sys.argv[1].strip().strip('"')
+    print(f"File: {file_path}")
+    with open(file_path, encoding="utf-8") as f:
+        pairs = parse_pairs(f.read())
+else:
+    print("Paste keys (KID:KEY), separated by newlines or semicolons,")
+    print("or drag and drop a .txt file.\n")
+    raw = input("Keys: ").strip()
+    if raw.endswith(".txt") and len(raw) < 260:
+        try:
+            with open(raw.strip('"'), encoding="utf-8") as f:
+                pairs = parse_pairs(f.read())
+        except FileNotFoundError:
+            pairs = parse_pairs(raw)
+    else:
+        pairs = parse_pairs(raw)
+
+print(f"\nPushing {len(pairs)} key(s) to '{service}'...\n")
+
+inserted = 0
+cached = 0
+for kid, key in pairs:
+    result = insert_key(host, token, kid, key, service)
+    if result:
+        print(f"Posted  {kid}:{key}")
+        inserted += 1
+    else:
+        print(f"Cached  {kid}:{key}")
+        cached += 1
+
+print(f"\nDone! {inserted} inserted, {cached} already existed.")
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