diff --git a/endpoints/api/v1/endpoint.post.py b/endpoints/api/v1/endpoint.post.py
new file mode 100644
index 0000000..e6c7cf2
--- /dev/null
+++ b/endpoints/api/v1/endpoint.post.py
@@ -0,0 +1,48 @@
+from fastapi import APIRouter, Depends, HTTPException
+from core.database import fake_users_db
+import uuid
+import random
+import string
+
+router = APIRouter()
+
+@router.post("/signup-codes")
+async def generate_signup_codes(
+    count: int = 1,
+    length: int = 8,
+    prefix: str = ""
+):
+    """Generate unique signup invitation codes"""
+    codes = []
+    existing_codes = [user.get("signup_code") for user in fake_users_db.values()]
+    
+    for _ in range(count):
+        while True:
+            code = prefix + ''.join(random.choices(
+                string.ascii_uppercase + string.digits, 
+                k=length
+            ))
+            if code not in existing_codes:
+                codes.append(code)
+                break
+    
+    # Store codes in database for future validation
+    batch_id = str(uuid.uuid4())
+    for code in codes:
+        fake_users_db[f"signup_code_{code}"] = {
+            "code": code,
+            "batch_id": batch_id,
+            "used": False,
+            "created_at": "2024-01-01T00:00:00Z"  # Demo timestamp
+        }
+    
+    return {
+        "message": f"Successfully generated {count} signup codes",
+        "batch_id": batch_id,
+        "codes": codes,
+        "metadata": {
+            "prefix": prefix,
+            "length": length,
+            "expires_in": "30 days"
+        }
+    }
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