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N8N
Workflow engine. Self-hosted for full data control and no per-task fees.
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Shopify
Order source via webhook. Triggers all 6 workflows in real time.
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HubSpot CRM
Every order creates or updates a customer contact record automatically.
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Google Docs API
Invoice template auto-fill. Exported to PDF and attached to email.
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Gmail / SMTP
Confirmations, invoices, follow-ups, and cart recovery sequences.
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Slack
Internal alerts: low stock, large orders, refund notifications.
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Google Sheets
Backup order log and weekly summary source. Always synced with Shopify.
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N8N Scheduler
Delayed triggers for follow-up emails. Queues actions for exact timestamps.