Downloads Apps Pricing Help

Cllavio

Don't have WebCatalog Desktop installed? Download WebCatalog Desktop.

Cllavio is an email marketing platform for developers and teams that provides APIs and a web UI to send campaigns, track delivery and opens in real time, and manage bounces.

Enhance your experience with the desktop app for Cllavio on WebCatalog Desktop for Mac, Windows.

Run apps in distraction-free windows with many enhancements.
Manage and switch between multiple accounts and apps easily without switching browsers.

Download WebCatalog Desktop

Email marketing built for builders. Fast APIs, clean UI, real-time analytics, and bounce safeguards. Free for 3 months: 350k emails/mo (UI), 500k (API), 50k contacts. Ship campaigns in minutes—without the legacy bloat.

Website: cllavio.com

Disclaimer: WebCatalog is not affiliated, associated, authorized, endorsed by or in any way officially connected to Cllavio. All product names, logos, and brands are property of their respective owners.

Products

WebCatalog Desktop

WebCatalog Atlas

Explore

Resources

Company

Legal

Terms of Service

© 2025 WebCatalog, Inc.