Turn one video into native TikTok, Instagram and YouTube posts
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Workflow Description
The workflow starts from a manual trigger, then a Set node defines the idea, video URL, target platforms and brand voice. The first HTTP Request node sends this data to the PostWire generate API to produce a caption draft for each platform, and the second posts the drafts plus the video URL to the PostWire publish endpoint so the video goes out to every connected account, with TikTok initially set to self-only visibility.
How it works
- 1.Click Test workflow to run the flow manually.
- 2.The Set node assigns idea, video_url, platforms and brand_voice values.
- 3.The first HTTP Request posts to https://postwire.io/api/generate with header auth to create per-platform drafts.
- 4.The second HTTP Request posts drafts and the video URL to https://postwire.io/api/post, requesting SELF_ONLY privacy for TikTok.
Use cases
- Republish one vertical video to TikTok, Instagram and YouTube with a caption written for each network
- Announce product updates across several social accounts in one run
- Let small teams avoid rewriting or copy-pasting the same caption everywhere
Requirements
- A PostWire account with an API key and social accounts connected via OAuth in its dashboard
- An n8n Header Auth credential (Authorization: Bearer key) selected on both HTTP Request nodes
- A publicly reachable MP4 video URL, since TikTok and YouTube reject text-only posts
Setup and testing in n8n
- Click Test workflow on the manual trigger
- Confirm the generate node returns a drafts object keyed by platform
- Check the publish results and verify the TikTok post is created with SELF_ONLY privacy
Service Value
Ready-made workflow template for automation delivery and service execution.
Apps Used
Details
How to Use
- 1.Click "Download Template"
- 2.Open your n8n dashboard
- 3.Go to Workflows > Import from File
- 4.Select downloaded file and configure credentials
Nodes Used (8)
When you click Test workflow
Manual Trigger
Your idea, video and platforms
Set
Write a native caption per platform
HTTP Request
Publish to every connected account
HTTP Request
About this template
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Step 1
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Step 3
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Source and license
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