Create Instagram, TikTok and LinkedIn carousels with OpenAI and PostWire
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 15 nodes and runs when someone submits an n8n form (“New carousel”). Along the way it connects OpenAI, Google Sheets and Gmail. It also calls postwire.io over HTTP.
How it runs
Trigger: When someone submits an n8n form (“New carousel”).
- Plan the carousel with OpenAI (OpenAI): response (text)
- Read the plan (Edit Fields (Set)): sets 4 fields: slides, captions, networks…
- One item per slide (Split Out): splits a list into separate items
- Get an upload slot (HTTP Request): calls postwire.io (POST)
- Draw the slide with GPT Image (OpenAI): generate (image)
- Upload the slide (HTTP Request): calls an HTTP API (PUT)
- Get the slide link (HTTP Request): calls postwire.io (GET)
- Slide as media item (Edit Fields (Set)): sets 4 fields: n, url, type…
- Collect the slides (Aggregate): combines items into one
- Publish the carousel (HTTP Request): calls postwire.io (POST)
…plus 4 more steps. See the full node list below.
Services it uses
HTTP calls to: postwire.io
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (9)
- n8n Form Trigger
n8n-nodes-base.formTrigger - OpenAI
@n8n/n8n-nodes-langchain.openAi - Edit Fields (Set)
n8n-nodes-base.set - Split Out
n8n-nodes-base.splitOut - HTTP Request
n8n-nodes-base.httpRequest - Aggregate
n8n-nodes-base.aggregate - If
n8n-nodes-base.if - Google Sheets
n8n-nodes-base.googleSheets - Gmail
n8n-nodes-base.gmail
From the author
Quick Overview This workflow collects a carousel topic via an n8n form, uses OpenAI to plan slide copy and generate images, uploads the slides to PostWire, and publishes them as Instagram, TikTok, and LinkedIn multi-image posts, logging results to Google…