Recover overdue invoices with GPT-4o-mini, Gmail, Google Sheets and Slack
Email & inbox workflow for n8n with 13 active steps. Starts with Schedule Trigger. Uses OpenAI. Integrations include Gmail, Google Sheets, OpenAI, Slack.
What it does
13 active nodes · Starts with Schedule Trigger.
Steps in the template include:
- AI Recovery Agent (AI Agent)
- Send Recovery Email to Client (Gmail)
- Send Escalation Alert to Legal Team (Gmail)
- Daily Invoice Check (Schedule Trigger)
Nodes and integrations
- AI Agent
- Gmail ×2
- Schedule Trigger
- Google Sheets ×3
- If ×2
- OpenAI Chat Model
- Code
- Slack ×2
See the author’s step names
- AI Recovery Agent (AI Agent)
- Send Recovery Email to Client (Gmail)
- Send Escalation Alert to Legal Team (Gmail)
- Daily Invoice Check (Schedule Trigger)
- Read Overdue Invoices (Google Sheets)
- Any Overdue Invoices? (If)
- GPT-4o-mini Language Model (OpenAI Chat Model)
- Parse & Structure AI Response (Code)
- Needs Escalation? (If)
- Update Invoice Status in Sheet (Google Sheets) — update
- Append Row to Recovery Log (Google Sheets) — append
- Slack: AI Error Alert (Slack)
- Slack: No Invoices Found Alert (Slack)
Accounts and credentials
- Gmail
- Google Sheets
- OpenAI access
- Slack
Credential types in the graph: gmailOAuth2, googleSheetsOAuth2Api, slackOAuth2Api
AI models and swaps
OpenAI · Chat
gpt-4o-mini in GPT-4o-mini Language Model. Potentially swappable with a compatible n8n chat model node. Test the replacement with the next step.
Resource information
- Credit basis
- Author listed by n8n
- Pricing
- Template access shown on n8n
- License
- Not specified
- Last record update
- Nov 5, 2026