Automate Video & Voice Sales Outreach in n8n (GPT 5.1, HeyGen, ElevenLabs & Twillio)

Automate video outreach, voice note outreach, and hyper-personalized sales workflows in n8n using GPT-5.1, HeyGen, ElevenLabs, and Twilio. In this step-by-step tutorial, you’ll learn how to build a fully automated AI outbound system that researches prospects, creates personalized video intros, generates custom voice notes, and sends everything directly via email and SMS — without writing a single line of code. This workflow is perfect for sales teams, marketers, founders, and creators who want to scale personalized outreach without hiring more SDRs. Using n8n, GPT-5.1, Perplexity, Google Sheets, HeyGen, JavaScript, 11Labs, and Twilio, you’ll see exactly how to automate 1:1 messages at scale. No prior coding knowledge. All resources and templates are provided for an easy setup. Plus, find out how to refine and expand your outreach strategies with additional tutorials and support. 00:00 — Introduction to AI Outreach Automation (n8n + GPT-5.1 Personalized Workflow) 01:05 — Setting Up Google Sheets Trigger for Automated Outreach in n8n 01:32 — Using JavaScript in n8n to Detect Latest Prospect Entry 01:59 — Building a Research Agent with GPT-5.1 + Perplexity for Deep Personalization 10:01 — Auto-Generating Personalized Outreach Scripts Using GPT-5.1 12:29 — Creating AI Video Avatars in HeyGen for 1:1 Sales Outreach 17:29 — Configuring the HTB Request in n8n for Video Generation 18:22 — Fetching & Reviewing AI-Generated Personalized Videos in n8n 19:11 — Creating the Outreach Email Template with Embedded Video URL 21:16 — Sending Automated Outreach Emails with AI Videos via n8n 24:13 — Generating AI Voice Notes with ElevenLabs for Personalized Follow-ups 26:44 — Uploading AI Voice Notes to Google Drive for Automated Delivery 28:05 — Sending Voice Notes Automatically via Twilio SMS / WhatsApp 30:54 — Final Thoughts + Full AI Outreach Workflow Summary Related Videos: Start Here for n8n basics: https://www.youtube.com/playlist?list=PL05w1TE8X3bbH-W5Y4eyEQY3p0j1iXL6H Heygen Clone: https://www.youtube.com/watch?v=sqDPUGoJhb8&list=PL05w1TE8X3bb1H9lXBqUy98zmTrrPP-s1&index=7&t=1078s ElevenLabs Set Up & Podcast: https://www.youtube.com/watch?v=Dan3_W1JoqU&list=PL05w1TE8X3bb1H9lXBqUy98zmTrrPP-s1&index=13&t=2s Sign up for n8n here: https://n8n.partnerlinks.io/automatewithmarc Download my library of Free n8n Workflow Template here: https://n8n.io/creators/marconi/ Connect with me: Instagram @automatewithmarc Linkedin https://www.linkedin.com/in/marconi-darmawan/ Email: automatewithmarc@gmail.com ☕️ Buy me Coffee: https://buymeacoffee.com/automatewithmarc