Beginner lead finder using SerpAPI search
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2500 executions/month
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Scrape any website without limits
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Important notice
This workflow is provided as-is. Please review and test before using in production.
Overview
This n8n workflow finds experts on any topic, scrapes their websites, and pulls out contact emails automatically.
Core services used: SerpAPI (google search) · Apify (website crawler) · OpenAI (GPT-4o email extraction).
🛠️ Step-by-Step Setup & Execution
1️⃣ Run Workflow (Manual Trigger)
| Node | Type | Purpose |
|---|---|---|
Run Workflow |
Manual Trigger | Start the workflow on demand while you test. |
2️⃣ Set Your Topic
| Node | Type | How to configure |
|---|---|---|
Set Topic |
Set | Add a string field Topic – e.g. "n8n". This keyword drives every subsequent step. |
3️⃣ Search Google (Results 1-10)
| Node | Type | API Credential |
|---|---|---|
Search Google (top 10) |
SerpAPI | Create SerpAPI credential 1. Sign up → copy API key → n8n → Credentials → New → SerpAPI → paste. 2. Select the credential in this node. |
| Key Params | ||
q |
={{ $json.Topic }} Expert |
|
location |
Region code (ex 585069efee19ad271e9c9b36) |
|
additionalFields.start |
"10" (Google position 1-10) |
4️⃣ Search Google (Results 11-20)
| Node | Type | Notes |
|---|---|---|
Search Google (11-20) |
SerpAPI (same credential) | Remove start or set to 20+ to fetch next page. |
5️⃣ Extract URL Lists
| Node | Type | Script Purpose |
|---|---|---|
Extract Url & Extract Url 2 |
Code | Loop data.organic_results → output { title, link, displayed_link } for each result. |
6️⃣ Combine Both Result Sets
| Node | Type | Details |
|---|---|---|
Append Results |
Merge (combineAll) | Merges arrays from steps 3 & 4 into a single list for processing. |
7️⃣ Loop Over Every URL
| Node | Type | Configuration |
|---|---|---|
Loop Over Items1 |
Split In Batches | Default batch = 1 (process one page at a time).onError = continueRegularOutput keeps loop alive on failures. |
8️⃣ Scrape Webpage Content (Apify)
| Node | Type | API Credential |
|---|---|---|
Scrape URL with apify |
HTTP Request | Create Apify credential 1. Sign up at https://console.apify.com 2. Account → API tokens → copy. 3. n8n → Credentials → New → HTTP Query Auth → set query param token=YOUR_TOKEN. |
| Request Details | ||
| Method | POST | |
| URL | https://api.apify.com/v2/acts/6sigmag~fast-website-content-crawler/run-sync-get-dataset-items |
|
| JSON Body | json { "startUrls": ["{{ $json.link }}"] } |
9️⃣ Extract Email with OpenAI
| Node | Type | API Credential |
|---|---|---|
Extract Email from webpage |
LangChain Agent | Create OpenAI credential 1. Generate key at https://platform.openai.com/account/api-keys 2. n8n → Credentials → New → OpenAI API → paste key. |
| Prompt (system) | extract the email address from the text. if there is no email address, output null. |
|
| Output Parser | Structured Output Parser2 expects → { "email": "address OR null" } |
🔟 Loop Continues & Final Data
- The extracted result returns to Loop Over Items1 until every URL is processed.
- Typical final item JSON:
{ "title": "How to Build n8n Workflows", "link": "https://example.com", "email": "[email protected]" }
💡 Optional Enhancements Idea How Save Leads Add a Google Sheets or Airtable node after the loop. Validate Emails Chain a ZeroBounce / Hunter.io verification API before saving. Parallel Crawling Increase SplitInBatches size (watch Apify rate limits).
🙋♂️ Need More Help? Robert Breen – Automation Consultant & n8n Expert 📧 [email protected] 🔗 https://www.linkedin.com/in/robert-breen-29429625/ 🌐 https://ynteractive.com