This article provides a complete, practical walkthrough of the Manual Hunter Automate Triggered 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:  
   "Automate Email Verification with n8n and Hunter API: A Simple Workflow Example"
   
   Meta Description:  
   Learn how to set up a simple n8n workflow to verify an email address using the Hunter.io API. Step-by-step walkthrough with automation insights for digital marketers and developers.
   
   Keywords:  
   n8n workflow, email verification, Hunter.io, email verifier, Hunter API, automation, open-source automation, email validation, n8n email check, n8n Hunter integration
   
   Third-Party APIs Used:  
   - Hunter API (Hunter.io Email Verifier)
   
   Article:  
   
   In the modern digital landscape, ensuring the quality of your email list is vital for successful marketing campaigns, user communication, and reputation management. Invalid or unverified email addresses can lead to high bounce rates, poor deliverability, and damaged sender reputations. Fortunately, tools like n8n and Hunter.io make email verification seamless and automated.
   
   In this short article, we’ll explore how to use n8n’s powerful, open-source workflow automation platform to verify an email address through the Hunter.io API. We’ll walk through a basic but functional example that triggers manually and sends a verification request for a specific email.
   
   Overview of the Workflow
   
   This n8n workflow is comprised of just two main nodes:
   
   1. Manual Trigger  
   2. Hunter Email Verifier
   
   Let’s break down what each node does and how they work together to provide an instant email validation solution.
   
   Step 1: Manual Trigger Node
   
   The first node in our workflow is the Manual Trigger. This is a standard node in n8n used primarily during development and testing of workflows. When you manually execute the workflow through the n8n interface, the Manual Trigger node starts the flow.
   
   In this example, the workflow is not triggered by an external event like a webhook or schedule—it begins only when the user clicks the "Execute Workflow" button in the n8n editor UI. This allows users to manually test or run the process on-demand.
   
   Step 2: Hunter Email Verifier Node
   
   The second node is the Hunter integration, specifically using the "emailVerifier" operation. The Hunter.io API specializes in email verification and domain-related intelligence tools. With this node, we can send a given email address to Hunter’s Email Verifier service and receive a detailed response about its validity.
   
   In our example, the node is configured to check one specific email: user@example.com. Of course, in real-world use cases, this could be a dynamic input pulled from user data, forms, or CRM systems.
   
   Output from the Hunter node typically includes:
   
   - Verification status (valid, invalid, or unknown)
   - Score (indicating deliverability confidence)
   - SMTP check results
   - MX record analysis
   - Disposable or webmail domain flags
   
   Using this data, you can make informed decisions—whether you want to add the email to your mailing list, prompt the user for a valid email, or run deeper checks.
   
   API Credentials: Connecting to Hunter
   
   To authenticate with the Hunter API, you’ll need a Hunter.io account and an associated API key. In n8n, API credentials are securely managed under the "Credentials" section. Our example references a credential named "hunter api creds", which holds the API key used by the Hunter node.
   
   Why Use n8n for Email Verification?
   
   n8n (pronounced "n-eight-n") is an open-source workflow automation tool that allows users to connect various services and build powerful automations with minimal code. It supports over 300+ integrations and can run self-hosted or in the cloud.
   
   Some great reasons to consider building your email verification process in n8n:
   
   - Visual workflow builder for ease of use  
   - Ability to trigger from different sources (webhook, schedule, forms)  
   - Integration with CRM and marketing tools  
   - Extendable with JavaScript functions for custom logic  
   - Supports error handling and branching logic  
   
   Extending the Workflow
   
   While this example is static and simple, you can easily expand the workflow in several directions. Ideas include:
   
   - Connecting to a Google Sheets or Airtable doc to verify a batch of emails  
   - Using Webhook or HTTP Request nodes to verify emails when users sign up  
   - Logging results in a database or sending alerts via Slack/Email  
   - Automatically removing invalid emails from your system  
   
   Final Thoughts
   
   Email verification doesn’t have to be manual or complex. With n8n and Hunter.io, you can set up and extend an automated system that ensures the quality of your contact lists in just a few clicks.
   
   Whether you're a solo developer, a digital marketer, or part of a SaaS team, integrating this kind of workflow into your toolset can reduce bounce rates, improve campaign effectiveness, and keep your sender domain reputation clean.
   
   Try building this workflow and explore the possibilities with just a few visual nodes. Happy automating!
   
   —
   
   Interested in more automation use cases? Check out more n8n tutorials and unlock the full power of open-source automation!

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.