Clay vs StackRef

SpecialistAutomate work across thousands of apps — no code required

Combines cold email campaigns with verified leads, but focuses more on outreach execution than deep enrichment.

AI agents that work the revenue lifecycle alongside your sellers

Excels at cold email deliverability and automation, but offers fewer options for complex multi-source data enrichment.

Free / Open-sourceGoogle's batteries-included framework for scalable web apps

Offers lead generation and email warmup features, but lacks the deep data orchestration and scraping flexibility.

SpecialistBuild, share, and control AI agents that actually do the work

Provides unified sales prospecting workflows, but is less flexible for custom spreadsheet-based data enrichment.

AI sales engagement and cold email outreach on autopilot

Turns natural language prompts into verified contact audiences, but lacks the granular waterfall enrichment customization of Clay.

Combines contact databases with automated outreach tools, but lacks Clay's advanced multi-provider waterfall scraping.

Automates web scraping and data enrichment in spreadsheets, but offers less built-in multi-channel outbound sequencing.