Turn TikTok videos into Facebook posts using WayinVideo and GPT-4o-mini

by isaWOW ✓ · 75 views · created 2026-04-30 · Social Media, Multimodal AI

What this workflow does

This AI workflow has 12 nodes and runs when someone submits an n8n form (“TikTok to Facebook Caption Auto-Poster”). Along the way it connects OpenAI Chat Model and Google Sheets. It also calls wayinvideo-api.wayin.ai over HTTP.

How it runs

Trigger: When someone submits an n8n form (“TikTok to Facebook Caption Auto-Poster”).

1. 2. WayinVideo — Submit Transcription (HTTP Request): calls wayinvideo-api.wayin.ai (POST)
2. 3. Wait — 60 Seconds (Wait): waits 60 seconds
3. 4. WayinVideo — Get Transcript Results (HTTP Request): calls an HTTP API
4. 5. IF — Transcription Complete? (If): checks a condition and branches into true / false
5. 7. Code — Format Transcript (Code): runs custom JavaScript code
6. 6. Wait — 30 Seconds Retry (Wait): waits 30 seconds
7. 8. AI Agent — Write Facebook Caption (AI Agent): runs an AI agent, with model: 9. OpenAI — GPT-4o-mini Model
8. 10. Code — Parse Caption Output (Code): runs custom JavaScript code
9. 11. HTTP — Post to Facebook (HTTP Request): calls an HTTP API (POST)
10. 12. Google Sheets — Log Post (Google Sheets): append

Services it uses

OpenAI Chat ModelGoogle Sheets

HTTP calls to: wayinvideo-api.wayin.ai

Before you upgrade to n8n 3.0

Nodes used (8)

• n8n Form Triggern8n-nodes-base.formTrigger
• HTTP Requestn8n-nodes-base.httpRequest
• Waitn8n-nodes-base.wait
• Ifn8n-nodes-base.if
• Coden8n-nodes-base.code
• AI Agent@n8n/n8n-nodes-langchain.agent
• OpenAI Chat Model@n8n/n8n-nodes-langchain.lmChatOpenAi
• Google Sheetsn8n-nodes-base.googleSheets

From the author

Description Paste any TikTok, YouTube, or short-form video URL into a simple form along with your brand name, target audience, and preferred tone and the workflow automatically transcribes the content and writes a ready-to-publish Facebook caption.…

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