diff --git a/app/main.py b/app/main.py
new file mode 100644
index 0000000..7411d22
--- /dev/null
+++ b/app/main.py
@@ -0,0 +1,27 @@
+from fastapi import FastAPI
+from app import crud, schemas
+from app.database import SessionLocal, engine
+from app import models
+
+# Create tables if not exist
+models.Base.metadata.create_all(bind=engine)
+
+app = FastAPI(title="Data Lab API")
+
+@app.get("/")
+def root():
+    return {"message": "Welcome to Data Lab API"}
+
+@app.get("/customers")
+def get_customers():
+    db = SessionLocal()
+    customers = crud.get_customers(db)
+    db.close()
+    return customers
+
+@app.get("/accounts")
+def get_accounts():
+    db = SessionLocal()
+    accounts = crud.get_accounts(db)
+    db.close()
+    return accounts