This article provides a complete, practical walkthrough of the Slack Emailreadimap Create n8n agent. It connects HTTP Request, Webhook across approximately 1 node(s). Expect a Simple setup in 5-15 minutes. One‑time purchase: €9.

What This Agent Does

This agent orchestrates a reliable automation between HTTP Request, Webhook, handling triggers, data enrichment, and delivery with guardrails for errors and rate limits.

It streamlines multi‑step processes that would otherwise require manual exports, spreadsheet cleanup, and repeated API requests. By centralizing logic in n8n, it reduces context switching, lowers error rates, and ensures consistent results across teams.

Typical outcomes include faster lead handoffs, automated notifications, accurate data synchronization, and better visibility via execution logs and optional Slack/Email alerts.

How It Works

The workflow uses standard n8n building blocks like Webhook or Schedule triggers, HTTP Request for API calls, and control nodes (IF, Merge, Set) to validate inputs, branch on conditions, and format outputs. Retries and timeouts improve resilience, while credentials keep secrets safe.

Third‑Party Integrations

• HTTP Request
• Webhook

Import and Use in n8n

1. Open n8n and create a new workflow or collection.
2. Choose Import from File or Paste JSON.
3. Paste the JSON below, then click Import.
4. Show n8n JSON

   Title:  
   Automate Invoice Processing and Notifications with n8n and Mindee
   
   Meta Description:  
   Discover how to streamline invoice email handling with an automated n8n workflow using Mindee for invoice data extraction and Slack/email for real-time notifications.
   
   Keywords:  
   n8n workflow, invoice automation, Mindee API, Slack notifications, email invoice detection, finance automation, IMAP, invoice parsing, finance manager alert, invoice OCR, automated invoice approval
   
   Third-Party APIs Used:
   
   1. Gmail (IMAP) – to read incoming email messages
   2. Mindee Invoice API – to extract invoice data, including total amount, from attachments
   3. Slack API – to send new invoice notifications to a Slack channel
   4. Mailtrap (SMTP) – to email the finance manager for invoices over a defined threshold
   
   Article:
   
   How to Automatically Process Invoice Emails Using n8n and Mindee
   
   Effective invoice handling is critical to any business’s financial operations. However, manually scanning emails for incoming invoices, determining the total amount due, and notifying the right personnel can be both time-consuming and error-prone. In this article, we explore an n8n workflow that fully automates this process—from detecting invoice emails to extracting payment data and notifying your team.
   
   This workflow turns incoming emails into actionable insights using third-party APIs like Mindee, Gmail, Slack, and Mailtrap. Let’s dive into how this powerful automation works and how your finance team can benefit from it.
   
   Overview of the Workflow
   
   The “New Invoice Email Notification” workflow automates several steps of email-based invoice processing:
   
   1. It reads new emails from your inbox.
   2. It checks whether the email body includes the word “invoice.”
   3. If it finds an invoice, it extracts the invoice total using Mindee’s OCR API.
   4. If the total is greater than $1,000, it sends a notification to a designated finance manager via email.
   5. Regardless of the invoice amount, it sends a message to a Slack channel called “team-accounts,” providing details like sender address, subject, and total amount.
   
   Let’s break this down step by step.
   
   Step 1: Check for New Emails
   
   The workflow starts with the “Check for new emails” node, which uses Gmail’s IMAP interface to scan the inbox for new messages. This node is configured to allow unauthorized SSL certificates, making it very flexible for testing or development.
   
   Step 2: Filter Emails Containing the Word “Invoice”
   
   Next, the “If email body contains invoice” node evaluates the email content to detect if it includes the term “invoice.” This conditional logic is simple but effective—it filters out emails that aren't relevant to accounting or payments.
   
   Step 3: Extract Invoice Total with Mindee
   
   Mindee’s Invoice API is then used to analyze the invoice attachment (often a PDF) in the email. This extraction step is crucial. Mindee applies OCR (Optical Character Recognition) technology to read and interpret the invoice, returning structured data that includes vendor information, invoice date, VAT, and most importantly, the total amount due.
   
   Step 4: Determine High-Value Invoices
   
   With the total amount extracted, another conditional node—“If Amount > 1000”—checks whether the invoice exceeds a certain financial threshold. In this case, it flags any invoice where the amount due is more than $1,000.
   
   Step 5: Notify the Finance Manager
   
   If the invoice surpasses the $1,000 threshold, the workflow proceeds to notify the finance manager. Using the Mailtrap SMTP service, it sends a concise email indicating a high-value invoice that may require approval. The original invoice is attached for reference.
   
   Step 6: Notify the Finance Team in Slack
   
   All processed invoices—regardless of amount—trigger a Slack message to the “team-accounts” channel. The Slack notification includes formatted fields such as:
   
   - Amount: Extracted from the invoice using Mindee
   - From: The sender’s email address
   - Subject: The original email subject
   - Date: The date the email was received
   
   This ensures visibility for the accounting team and helps them track incoming invoices in real time.
   
   Why This Workflow Matters
   
   - Time-Saving: Automatically reading, parsing, and sorting invoice emails saves your accounting team hours of manual work.
   - Accuracy: Using a reputable OCR API like Mindee ensures that the extracted data is reliable and consistent.
   - Immediate Alerts: High-value invoices are flagged and sent to senior personnel without delay, accelerating approval and payment processes.
   - Transparency: By sending alerts to a Slack channel and escalating large invoices via email, the process promotes team visibility and operational accountability.
   
   Conclusion
   
   This n8n workflow is a great example of how integration and automation tools can work together to streamline essential business functions. With a combination of IMAP email reading, smart filtering, OCR-based value extraction via Mindee, and multichannel notifications through Slack and email, this workflow brings automation into the heart of your financial operations.
   
   Whether you're a startup looking to bootstrap your operations or a growing business handling increased invoicing complexity, this n8n setup can significantly reduce your manual workload and improve your response times.
   
   By integrating readily available APIs and using the flexible, no-code/low-code environment that n8n provides, workflow automation like this is not just useful—it’s transformative.

5. Set credentials for each API node (keys, OAuth) in Credentials.
6. Run a test via Execute Workflow. Inspect Run Data, then adjust parameters.
7. Enable the workflow to run on schedule, webhook, or triggers as configured.

Tips: keep secrets in credentials, add retries and timeouts on HTTP nodes, implement error notifications, and paginate large API fetches.

Validation: use IF/Code nodes to sanitize inputs and guard against empty payloads.

Why Automate This with AI Agents

AI‑assisted automations offload repetitive, error‑prone tasks to a predictable workflow. Instead of manual copy‑paste and ad‑hoc scripts, your team gets a governed pipeline with versioned state, auditability, and observable runs.

n8n’s node graph makes data flow transparent while AI‑powered enrichment (classification, extraction, summarization) boosts throughput and consistency. Teams reclaim time, reduce operational costs, and standardize best practices without sacrificing flexibility.

Compared to one‑off integrations, an AI agent is easier to extend: swap APIs, add filters, or bolt on notifications without rewriting everything. You get reliability, control, and a faster path from idea to production.

Best Practices

• Credentials: restrict scopes and rotate tokens regularly.
• Resilience: configure retries, timeouts, and backoff for API nodes.
• Data Quality: validate inputs; normalize fields early to reduce downstream branching.
• Performance: batch records and paginate for large datasets.
• Observability: add failure alerts (Email/Slack) and persistent logs for auditing.
• Security: avoid sensitive data in logs; use environment variables and n8n credentials.

FAQs

Can I swap integrations later? Yes. Replace or add nodes and re‑map fields without rebuilding the whole flow.

How do I monitor failures? Use Execution logs and add notifications on the Error Trigger path.

Does it scale? Use queues, batching, and sub‑workflows to split responsibilities and control load.

Is my data safe? Keep secrets in Credentials, restrict token scopes, and review access logs.