Finding answers in Retarus Docs
Get the support you need to successfully use Retarus products and services. Retarus Docs offers comprehensive resources, organized for easy navigation.

How to access
Click Documentation Center in the left navigation pane to open Retarus Docs.
What you can do
Search for information
Quickly locate guides, instructions, or troubleshooting help using the intuitive search bar. For more details, see How Search Works in Retarus Docs.Explore product-specific resources
Browse categories for detailed documentation tailored to your needs, including:Cloud Fax
Enterprise SMS
Transactional Email
Secure Email Gateway
Intelligent Document Processing
Cloud EDI & E-Invoicing
WebExpress
Enterprise Administration Services
Application Integration
Access additional resources
Visit Retarus API Docs for API-specific information, explore the Retarus website for general insights and company updates, or check real-time operational details.