This article provides a complete, practical walkthrough of the Webhook Filter Sync Webhook n8n agent. It connects HTTP Request, Webhook across approximately 1 node(s). Expect a Intermediate setup in 15-45 minutes. One‑time purchase: €29.

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:
   Seamless Productivity: Real-Time Two-Way Sync Between Notion and Todoist Using n8n
   
   Meta Description:
   Discover how to implement a real-time, two-way synchronization between Notion and Todoist using a powerful n8n automation workflow. Learn how tasks, statuses, and due dates are kept seamlessly in sync across platforms, providing ultimate productivity and clarity.
   
   Keywords:
   Notion, Todoist, n8n, two-way sync, no-code automation, task management, productivity tools, workflow automation, Notion API, Todoist API, Redis, Notion-Todoist integration, real-time sync, Notion automation, Todoist webhook
   
   Third-Party APIs Used in the Workflow:
   
   - Notion API:
     Used to fetch, update, and manage tasks (database pages) from a Notion database. Key operations include creating tasks, updating status, due date, and description fields, and checking for changes to trigger syncs.
   
   - Todoist API (REST v2 and Sync v9):
     Used to interact with Todoist tasks including retrieving project and section information, creating/updating tasks, setting due dates and statuses, and handling webhooks triggered by task changes.
   
   - Redis:
     Employed as a temporary state store to manage locking mechanisms during synchronization. Prevents race conditions and redundant operations in both sync directions by caching task identifiers for a short duration.
   
   - Gmail API:
     Utilized to send HTML-formatted email summaries of daily synchronization changes between Notion and Todoist, providing a thorough report to end-users.
   
   Overview:
   This comprehensive n8n workflow facilitates a bidirectional sync between Notion and Todoist, enabling real-time automation of tasks, due dates, priorities, and statuses across two of the most popular productivity tools. With setup helpers, robust error handling, and Redis-based locking, the workflow ensures data consistency while eliminating duplicate or conflicting updates. Ideal for individuals and teams aiming to streamline task management without needing to manually update multiple platforms.

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.