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Installation model

SendyKit installs next to Sendy. It does not patch Sendy core files. That means:
  • your licensed Sendy install stays where it is
  • SendyKit reads the same database
  • SendyKit adds its own sendykit_* tables
  • if SendyKit stops, Sendy still works

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Before you install

You should have:
  • a working Sendy install
  • shell access to the server
  • Sendy database credentials
  • a SendyKit license key for self-hosted installs

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Install command

curl -sSL https://install.sendykit.dev | bash
The installer should:
  • detect OS and architecture
  • download the correct binary
  • prompt for license details
  • create initial config

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First boot sequence

sendykit migrate
sendykit serve

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What migrations do

SendyKit migrations are versioned and non-destructive. They create SendyKit-owned tables such as:
  • sendykit_migrations
  • sendykit_feature_flags
  • sendykit_webhooks
  • sendykit_analytics_events
  • sendykit_doctor_reports
  • sendykit_audit_log
They do not modify Sendy core tables.

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Verify the install

sendykit health
sendykit doctor
sendykit brands list
If those work, you have the main operator surfaces connected.