diff --git a/main.py b/main.py
index 85e525c..c8bf353 100644
--- a/main.py
+++ b/main.py
@@ -1,8 +1,22 @@
 from fastapi import FastAPI
+from isbnlib import meta
 
 app = FastAPI()
 
 
 @app.get('/')
 async def root():
-    return {"message": "Hello World"}
\ No newline at end of file
+    return {"message": "Hello World"}
+
+@app.post('/checkin/{isbn}')
+async def checkin(isbn):
+    return{"Checked in": isbn}
+
+@app.get('/checkout/{isbn}')
+async  def checkout(isbn):
+    return{"Checked Out": isbn}
+
+@app.put('/lookup/{isbn}')
+async  def lookup(isbn):
+    info = meta(isbn, service='Default')
+    return{"Title": info['Title']}
diff --git a/test.py b/test.py
new file mode 100644
index 0000000..ed3e46d
--- /dev/null
+++ b/test.py
@@ -0,0 +1,10 @@
+from isbnlib import meta
+
+
+isbn = '9780747532743'
+infowiki = meta(isbn, service='wiki')
+infoopenl = meta(isbn, service='openl')
+
+
+print(infowiki)
+print(infoopenl)
\ No newline at end of file