Send personalized LinkedIn invitations with OpenAI, Slack and HeyReagent

by Ling Li · 1 views · created 2026-10-06 · Lead Generation, AI Chatbot

What this workflow does

This AI workflow has 12 nodes and runs on a schedule (cron 0 9 * * 1-5). Along the way it connects OpenAI Chat Model and Slack. It also calls api.heyreagent.com over HTTP.

How it runs

Trigger: On a schedule (cron 0 9 * * 1-5).

1. Settings (Edit Fields (Set)): sets 6 fields: keywords, location, howMany…
2. Search people (HTTP Request): calls api.heyreagent.com (POST)
3. One person per item (Split Out): splits a list into separate items
4. Keep people with a profile link (Filter): keeps only the items that match a condition
5. Loop over people (Loop Over Items (Split in Batches)): loops over the items in batches
6. Write the note (Basic LLM Chain): sends a prompt to an LLM, with model: OpenAI Chat Model
7. Ask me in Slack (Slack): send and wait for a reply
8. Send it? (If): checks a condition and branches into true / false
9. Send the invitation (HTTP Request): calls api.heyreagent.com (POST)
10. Pause before the next (Wait): waits 30 seconds

Services it uses

OpenAI Chat ModelSlack

HTTP calls to: api.heyreagent.com

Before you upgrade to n8n 3.0

Nodes used (11)

• Schedule Triggern8n-nodes-base.scheduleTrigger
• Edit Fields (Set)n8n-nodes-base.set
• HTTP Requestn8n-nodes-base.httpRequest
• Split Outn8n-nodes-base.splitOut
• Filtern8n-nodes-base.filter
• Loop Over Items (Split in Batches)n8n-nodes-base.splitInBatches
• Basic LLM Chain@n8n/n8n-nodes-langchain.chainLlm
• OpenAI Chat Model@n8n/n8n-nodes-langchain.lmChatOpenAi
• Slackn8n-nodes-base.slack
• Ifn8n-nodes-base.if
• Waitn8n-nodes-base.wait

From the author

Quick overview This workflow searches for LinkedIn profiles by keywords and location using the HeyReagent API, then sends a connection invitation with a custom note to each returned person, spacing requests to reduce rate pressure. How it works 1. Runs when…

View the original on n8n.io → Check your own copy