For developers building product notifications, Courier is a notification infrastructure platform that orchestrates and sends messages across email, SMS, push, in-app, Slack, and chat through one API.
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 A — ships API, MCP, SDK, and CLI; agents can build on it today.
Scaled-stage on our scale — 1,194 employees on record.
Founded 2019Funding $47.5MStatus Independent
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