Test tools with demo responses in sandbox mode, then switch to live mode to query your workspace with a real API key.
API Playground
Interactive
Test with demo data — no API key needed.
Demo Data — Connect an API key for live results
analytics — Klaviyo email and SMS lifecycle analytics with reported revenue, conversions, opens, clicks, top campaigns, top flows, and freshness/coverage metadata. Use for Klaviyo, email, SMS, open-rate, click-rate, flow, and campaign-lifecycle questions.