

Underline.AI is a purpose-built AI marketing engine for eCommerce brands—powering intelligent content creation, cross-channel campaign automation, and data-informed optimization—starting with seamless Shopify integration.
Launch your free trial in under 60 seconds, connect your Shopify store, and instantly begin generating high-converting marketing assets—no technical setup or AI expertise required.
Reach our dedicated support team anytime: [email protected]
Access your dashboard: https://app.underline.ai/login
Start your AI-powered growth journey: https://app.underline.ai/signup
Transparent, scalable plans built for growing stores: https://underline.ai/pricing
Underline.AI is an end-to-end AI marketing platform engineered exclusively for eCommerce businesses—transforming how brands create, deploy, and optimize marketing content across every customer touchpoint.
Connect your Shopify store, choose your first use case (e.g., product description generation), and let AI handle the rest—while you focus on strategy, fulfillment, and growth.
From conversion-optimized product pages and blog-driven organic traffic engines to segmented email flows, platform-specific social creatives, and A/B-tested ad copy—Underline.AI delivers production-ready assets across the full marketing stack.
Yes—enjoy full access to all features during your free trial, with no credit card required. Experience measurable time savings and performance lift before committing.