n8n Sales Lead Qualification Workflow: Gemini + Gmail + Slack

Qualify inbound sales leads automatically—Gemini + Gmail + Slack

This n8n workflow turns incoming chat messages into structured sales-qualified leads. It uses Google Gemini to run a qualification agent with conversation memory, logs results in an n8n Data Table, optionally books demos in Google Calendar, confirms by Gmail, and notifies your team in Slack.

What this workflow does

• Receives inbound lead messages via an n8n chat webhook trigger.
• Qualifies the lead with Google Gemini using a sales-agent prompt and conversation memory to answer questions, collect qualification details, and decide next actions.
• Upserts lead details (name, email, company, role, timeline, problem, and budget signals) into an n8n Data Table, keyed by the chat session ID.
• Calculates a lead score (1–10) from the provided employee count and stores it back on the lead record.
• Books demos when requested: checks Google Calendar availability and creates a meeting invite with the lead as an attendee.
• Notifies and updates status after booking: sends a confirmation email via Gmail, posts an alert to a Slack channel, and updates the lead status in the Data Table.
• If the lead says “not now”, it schedules a 3-day follow-up.

Use cases

• Turn website chat inquiries into sales-qualified leads without manual entry.
• Automatically request and capture qualification signals (timeline, problem, budget signals) from prospects.
• When a lead asks for a demo, auto-check Google Calendar and send a meeting invite.
• Keep your team aligned with Slack alerts and Data Table lead statuses.

Technical details

• Integrations/Tools: n8nn8n-nodes-langchainagent, n8nn8n-nodes-langchaintool code, Data Table, Google Gemini, Google Calendar (OAuth2), Gmail (OAuth2), and Slack.
• Required credentials: Google Gemini (PaLM/Gemini API), Google Calendar OAuth2, Gmail OAuth2, and Slack.
• Config: set the Data Table ID (e.g., the referenced sales_leads) and the Google Calendar ID used for availability checks and bookings.