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+# Configuration
+- `api_key` - API key used for uploading (string; required)
+- `footer` - HTML for string footer (string)
+- `maximum_file_size` - Maximum file size (number; required)
+
+Current version doesn't support `cloudflare-cache-invalidate` nor `https` settings.
+
+# Persistent data
+- `/Up1/i`
+- `/Up1/client`
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