Create Instagram carousels and TikTok slideshows with OpenAI and PostFast
UnknownUnknown. This template uses community nodes we can't verify statically. Uses community nodes that can't be verified statically (unverified community packages are off by default in 3.0). Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 17 nodes and runs on a schedule (every week at 08:00). Along the way it connects OpenAI, Telegram and Postfast (community).
How it runs
Trigger: On a schedule (every week at 08:00).
- Configure carousel brand and topics (Edit Fields (Set)): sets 7 fields: brandName, brandVoice, topics…
- Get connected accounts (PostFast) (Post Fast): get many (social account)
- Select target accounts (Code): runs custom JavaScript code
- Write the carousel post (OpenAI): uses OpenAI
- Prepare slide prompts (Code): runs custom JavaScript code
- Generate slide images (OpenAI): work with image
- Preview slides in Telegram (Telegram): send photo
- Ask for approval on Telegram (Telegram): send and wait for a reply
- Carousel approved? (If): checks a condition and branches into true / false
- Fan out per account (Code): runs custom JavaScript code
…plus 5 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
We can't fully verify this one: it relies on 1 community package, and n8n 3.0 turns unverified community packages off by default (N8N_UNVERIFIED_PACKAGES_ENABLED=false).
- Check that n8n-nodes-postfast is verified or supports 3.0 (used in Get connected accounts (PostFast), Get upload URLs (PostFast), Schedule carousels via PostFast).
Nodes used (9)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Edit Fields (Set)
n8n-nodes-base.set - Post Fast
n8n-nodes-postfast.postFast - Code
n8n-nodes-base.code - OpenAI
@n8n/n8n-nodes-langchain.openAi - Telegram
n8n-nodes-base.telegram - If
n8n-nodes-base.if - No Operation, do nothing
n8n-nodes-base.noOp - HTTP Request
n8n-nodes-base.httpRequest
From the author
Quick overview This workflow runs on a Mon/Wed/Fri schedule to generate an Instagram carousel or TikTok slideshow using OpenAI (GPT-4o-mini and gpt-image-1), sends the slides to Telegram for approval, and only then uploads the images and schedules the post…