Automation library · Content

Auto-caption & post videos to Instagram & TikTok with Submagic

Started by an event in a connected app, and works across Google Sheets. It hands the judgement calls to OpenAI. 14 steps, 1 branch, 2 loops or waits: a working afternoon to understand properly.

MediumCalls a model: OpenAI

14 stepsMedium: a working afternoon
1Branch: places the flow splits
2Loops or waits
1Service it connects to

The flow

Starts it 1Model 2Logic 4Service 7

The steps in the order they run, from what starts it.

  1. 1Google Drive TriggerGoogle Drive triggerStarts it
  2. 2OpenAI Chat ModelLm Chat Open AiModel
  3. 3Post to SubmagicHttp RequestService
  4. 4Caption AgentAgentModel
  5. 5Wait 15 Secs1WaitLogic
  6. 6Post to InstagramHttp RequestService
  7. 7Get Captioned Video from SubmagicHttp RequestService
  8. 8IfIfLogic
  9. 9Download Captioned VideoHttp RequestService
  10. 10Wait 15 SecsWaitLogic
  11. 11Upload to PostizHttp RequestService
  12. 12Update LogGoogle SheetsService
  13. 13Get row(s) in sheetGoogle SheetsService
  14. 14CodeCodeLogic

How it's built

Starts on
An event in a connected app
Steps
14, with 1 branch, 2 loops or waits
Size
Medium: a working afternoon
Connects to
Google Sheets
Model
OpenAI

Questions

What does it need to run?

An n8n account, plus your own Google Sheets account, and a key for OpenAI. You connect your own accounts after importing it; none are included.

What starts it?

It starts on an event in a connected app.

Does it use AI?

Yes. It calls OpenAI. Model calls are billed by the provider, not by n8n.

How long does it take to set up?

Plan an afternoon. 14 steps is enough that you should read each one before running it.

How do I import it?

Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.

Before you run it

Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 14 steps before you point it at anything that matters.