diff --git a/examples/facebook.py b/examples/facebook.py
new file mode 100644
index 0000000..7294fc9
--- /dev/null
+++ b/examples/facebook.py
@@ -0,0 +1,39 @@
+"""Facebook Login Example"""
+
+import os
+
+import uvicorn
+from fastapi import FastAPI, Request
+
+from fastapi_sso.sso.facebook import FacebookSSO
+
+CLIENT_ID = os.environ["CLIENT_ID"]
+CLIENT_SECRET = os.environ["CLIENT_SECRET"]
+
+app = FastAPI()
+
+sso = FacebookSSO(
+    client_id=CLIENT_ID,
+    client_secret=CLIENT_SECRET,
+    redirect_uri="http://localhost:5000/auth/callback",
+    allow_insecure_http=True,
+)
+
+
+@app.get("/auth/login")
+async def auth_init():
+    """Initialize auth and redirect"""
+    with sso:
+        return await sso.get_login_redirect(params={"prompt": "consent", "access_type": "offline"})
+
+
+@app.get("/auth/callback")
+async def auth_callback(request: Request):
+    """Verify login"""
+    with sso:
+        user = await sso.verify_and_process(request)
+    return user
+
+
+if __name__ == "__main__":
+    uvicorn.run(app="examples.facebook:app", host="127.0.0.1", port=5000)
diff --git a/fastapi_sso/sso/facebook.py b/fastapi_sso/sso/facebook.py
index 930e3f2..dad9042 100644
--- a/fastapi_sso/sso/facebook.py
+++ b/fastapi_sso/sso/facebook.py
@@ -12,7 +12,7 @@ class FacebookSSO(SSOBase):
     """Class providing login via Facebook OAuth."""
 
     provider = "facebook"
-    base_url = "https://graph.facebook.com/v9.0"
+    base_url = "https://graph.facebook.com/v19.0"
     scope: ClassVar = ["email"]
 
     async def get_discovery_document(self) -> DiscoveryDocument:
@@ -25,8 +25,9 @@ async def get_discovery_document(self) -> DiscoveryDocument:
 
     async def openid_from_response(self, response: dict, session: Optional["httpx.AsyncClient"] = None) -> OpenID:
         """Return OpenID from user information provided by Facebook."""
+
         return OpenID(
-            email=response.get("email", ""),
+            email=response.get("email"),
             first_name=response.get("first_name"),
             last_name=response.get("last_name"),
             display_name=response.get("name"),
diff --git a/fastapi_sso/sso/google.py b/fastapi_sso/sso/google.py
index 0df30b3..f5dc67c 100644
--- a/fastapi_sso/sso/google.py
+++ b/fastapi_sso/sso/google.py
@@ -18,7 +18,7 @@ async def openid_from_response(self, response: dict, session: Optional["httpx.As
         """Return OpenID from user information provided by Google."""
         if response.get("email_verified"):
             return OpenID(
-                email=response.get("email", ""),
+                email=response.get("email"),
                 provider=self.provider,
                 id=response.get("sub"),
                 first_name=response.get("given_name"),
diff --git a/fastapi_sso/sso/spotify.py b/fastapi_sso/sso/spotify.py
index d1e9423..3782b42 100644
--- a/fastapi_sso/sso/spotify.py
+++ b/fastapi_sso/sso/spotify.py
@@ -26,7 +26,7 @@ async def openid_from_response(self, response: dict, session: Optional["httpx.As
         """Return OpenID from user information provided by Spotify."""
         picture = response["images"][0]["url"] if response.get("images", []) else None
         return OpenID(
-            email=response.get("email", ""),
+            email=response.get("email"),
             display_name=response.get("display_name"),
             provider=self.provider,
             id=response.get("id"),