Automate SaaS operations with GPT-4.1-mini for user, support & billing management
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 33 nodes and runs when someone submits an n8n form (“Micro-SaaS User Sign-Up”) (plus 4 other triggers). Along the way it connects OpenAI Chat Model, Data table and Gmail.
How it runs
Trigger: When someone submits an n8n form (“Micro-SaaS User Sign-Up”) (plus 4 other triggers).
- Workflow Configuration (Edit Fields (Set)): sets 3 fields: adminEmail, dashboardApiUrl, stripeWebhookSecret
- Prepare Support Request Data (Edit Fields (Set)): sets 6 fields: requestId, userEmail, subject…
- Fetch User Analytics Data (Data table): get
- Process Billing Event (Edit Fields (Set)): sets 5 fields: eventType, customerId, subscriptionId…
- Store User Data (Data table): uses Data table
- Store Support Requests (Data table): uses Data table
- Aggregate: combines items into one
- Update User Billing Status (Data table): update
- AI Business Logic Orchestrator (AI Agent): runs an AI agent, with model: OpenAI Chat Model; 3 tools (Gmail Tool, Data Table Tool, Data Table Tool); output parser: Structured Output Parser
- AI Support Triage Agent (AI Agent): runs an AI agent, with model: OpenAI Chat Model; output parser: Support Triage Output Parser
…plus 8 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (16)
- n8n Form Trigger
n8n-nodes-base.formTrigger - Edit Fields (Set)
n8n-nodes-base.set - Data table
n8n-nodes-base.dataTable - AI Agent
@n8n/n8n-nodes-langchain.agent - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - Data Table Tool
n8n-nodes-base.dataTableTool - Gmail Tool
n8n-nodes-base.gmailTool - Webhook
n8n-nodes-base.webhook - If
n8n-nodes-base.if - Gmail
n8n-nodes-base.gmail - Schedule Trigger
n8n-nodes-base.scheduleTrigger - Aggregate
n8n-nodes-base.aggregate - Code
n8n-nodes-base.code - HTTP Request
n8n-nodes-base.httpRequest - MCP Server Trigger
@n8n/n8n-nodes-langchain.mcpTrigger
From the author
HOW IT WORKS : Automates SaaS operations by consolidating user management, AI-driven support triage, analytics, and billing into one unified system. User signups flow through registration, support requests route via OpenAI prioritization, billing events…