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Stack 03 · Customer surface

Communication Stack

SendGrid (parent + subuser pattern) + Twilio + Google Workspace + Slack.

What's inside

Transactional email via SendGrid (with the subuser-per-DBA discipline so each brand emails on-brand), SMS + voice via Twilio, calendar/docs/sheets via Google Workspace, and Slack for ops + alerting. The customer-facing comms surface 1116 actually runs.

Tools in this stack

  • SendGrid
  • Twilio
  • Twilio CLI
  • Google Workspace
  • Google Workspace CLI (gws)
  • Slack

What you get

  • Production-tested configuration. The exact way 1116 LLC runs communication across our portfolio — not generic template code.
  • Cost + scaling guidance. What we pay today, what we paid at launch, where the cost cliffs are, and when to upgrade.
  • Installation playbook. Step-by-step setup we use on every new project + the common gotchas we've already hit so you don't have to.
  • Lifetime updates. The stack evolves as our production stack evolves — you get the updates, no second purchase.
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