For developers and marketers sending cold or bulk email, Kickbox is an email verification API that checks whether each address is valid and deliverable before a campaign goes out.
Measures earned, engagement-weighted share of voice across the GTM voices panel. Methodology →
Tracked across the GTM voices panel but below the scoring floor this cycle — earned mentions are accruing toward the next scored window.
Measures how easily your agents can build on it — API, MCP, CLI, SDK, docs depth. Methodology →
Grade C — ships SDK, no public API, MCP, CLI on file; an early agent surface.
Startup-stage on our scale — 21 employees on record.
Founded 2014Funding BootstrappedStatus Acquired
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