diff --git a/purldb/settings.py b/purldb/settings.py
index e12b5dde..891451e8 100644
--- a/purldb/settings.py
+++ b/purldb/settings.py
@@ -93,6 +93,12 @@
     "SECURE_PROXY_SSL_HEADER", default=("HTTP_X_FORWARDED_PROTO", "https")
 )
 
+# API
+
+DATA_UPLOAD_MAX_NUMBER_FIELDS = env.int(
+    "DATA_UPLOAD_MAX_NUMBER_FIELDS", default=2048
+)
+
 # Database
 
 DATABASES = {