diff --git a/app/config.py b/app/config.py
index 33532e1c..adf11b04 100644
--- a/app/config.py
+++ b/app/config.py
@@ -179,6 +179,29 @@ except:
     PADDLE_MONTHLY_PRODUCT_ID = -1
     PADDLE_YEARLY_PRODUCT_ID = -1
 
+# Other Paddle product IDS
+if "OTHER_PADDLE_MONTHLY_PRODUCT_IDS" in os.environ:
+    OTHER_PADDLE_MONTHLY_PRODUCT_IDS = eval(
+        os.environ["OTHER_PADDLE_MONTHLY_PRODUCT_IDS"]
+    )
+else:
+    OTHER_PADDLE_MONTHLY_PRODUCT_IDS = []
+
+PADDLE_MONTHLY_PRODUCT_IDS = OTHER_PADDLE_MONTHLY_PRODUCT_IDS.append(
+    PADDLE_MONTHLY_PRODUCT_ID
+)
+
+if "OTHER_PADDLE_YEARLY_PRODUCT_IDS" in os.environ:
+    OTHER_PADDLE_YEARLY_PRODUCT_IDS = eval(
+        os.environ["OTHER_PADDLE_YEARLY_PRODUCT_IDS"]
+    )
+else:
+    OTHER_PADDLE_YEARLY_PRODUCT_IDS = []
+
+PADDLE_YEARLY_PRODUCT_IDS = OTHER_PADDLE_YEARLY_PRODUCT_IDS.append(
+    PADDLE_YEARLY_PRODUCT_ID
+)
+
 PADDLE_PUBLIC_KEY_PATH = get_abs_path(
     os.environ.get("PADDLE_PUBLIC_KEY_PATH", "local_data/paddle.key.pub")
 )
diff --git a/server.py b/server.py
index aa7c700c..e82d5ef6 100644
--- a/server.py
+++ b/server.py
@@ -50,6 +50,8 @@ from app.config import (
     STATUS_PAGE_URL,
     SUPPORT_EMAIL,
     get_abs_path,
+    PADDLE_MONTHLY_PRODUCT_IDS,
+    PADDLE_YEARLY_PRODUCT_IDS,
 )
 from app.dashboard.base import dashboard_bp
 from app.developer.base import developer_bp
@@ -497,13 +499,19 @@ def setup_paddle_callback(app: Flask):
             user_id = passthrough.get("user_id")
             user = User.get(user_id)
 
-            if (
-                int(request.form.get("subscription_plan_id"))
-                == PADDLE_MONTHLY_PRODUCT_ID
-            ):
+            subscription_plan_id = int(request.form.get("subscription_plan_id"))
+
+            if subscription_plan_id in PADDLE_MONTHLY_PRODUCT_IDS:
                 plan = PlanEnum.monthly
-            else:
+            elif subscription_plan_id in PADDLE_YEARLY_PRODUCT_IDS:
                 plan = PlanEnum.yearly
+            else:
+                LOG.exception(
+                    "Unknown subscription_plan_id %s %s",
+                    subscription_plan_id,
+                    request.form,
+                )
+                return "No such subscription", 400
 
             sub = Subscription.get_by(user_id=user.id)