StartupHub.ai for n8n
Find emails, validate emails, and scan website AI-readiness from any n8n workflow. Real mailbox verification, hardened-domain awareness, AI-readiness scanner — all without writing a line of code.
Install in 60 seconds
- 1
Install the community node
In your self-hosted n8n: Settings → Community Nodes → Install. Paste the package name:
n8n-nodes-startuphub
n8n restarts automatically and the StartupHub.ai node appears in the node panel.
- 2
Generate an API key
Go to /my-account?tab=api → click Generate API key → copy the
sk_live_...value.Free tier: 50 validations + 5 discoveries + 50 searches per day. No credit card.
- 3
Add a credential in n8n
In n8n: Credentials → New → search StartupHub.ai API → paste your key → save. Click Test credential to verify it works.
- 4
Drop the node in any workflow
Add the StartupHub.ai node, pick a resource (Email or Website) and an operation, wire up the inputs from previous nodes.
Three operations
Email → Validate
Verify a single email\'s deliverability. Real mailbox check, catch-all + role-account detection.
email{ valid, status, confidence_score }Email → Find
Discover a verified email from name + company domain. Hardened-domain aware, charged on successful finds only.
firstName, lastName, domain{ found, email, all_emails, matches }Website → Scan AI Readiness
Score any URL on a 0-100 scale across 18 standards (robots.txt, llms.txt, MCP card, OAuth, x402, Content Signals).
url{ score, category_scores, checks, fixes }Example workflows
Signup form gate
Block typo addresses + disposable mailboxes before they hit your user table.
Webhook → StartupHub.ai (Email Validate)
→ IF (status === 'deliverable')
→ Supabase (Insert User)
→ ELSE
→ HTTP Response (400)CRM enrichment
Auto-find verified emails for new HubSpot contacts that have a name + company.
HubSpot Trigger (Contact Created)
→ StartupHub.ai (Email Find)
→ IF (found)
→ HubSpot (Update Contact)Outbound prospect scoring
Score 50 URLs daily, surface the lowest scores as warm sales leads (they need help).
Schedule (Daily) → Google Sheets (Read URLs) → StartupHub.ai (Scan AI Readiness) → Filter (score < 50) → Slack (Post to #leads)
List hygiene before send
Re-validate every email in your Mailchimp audience monthly. Drop bouncers automatically.
Schedule (Monthly) → Mailchimp (Get Audience)
→ StartupHub.ai (Email Validate)
→ IF (status !== 'deliverable')
→ Mailchimp (Unsubscribe)Manual install (Docker, custom builds)
If you run n8n in a custom Docker setup or via npx, install the package directly:
npm install n8n-nodes-startuphub
For Docker, mount the package into /home/node/.n8n/nodes or use the N8N_CUSTOM_EXTENSIONS env var. Full docs: n8n community-node docs .
Ready?
Free tier covers most prototype workflows. No credit card.