Automation library · Chat assistants

Product ingredient safety analyzer with Gemini and WhatsApp

Started by an incoming WhatsApp message, and works across WhatsApp. It hands the judgement calls to Gemini. 14 steps, 1 branch: a working afternoon to understand properly.

MediumCalls a model: Gemini

14 stepsMedium: a working afternoon
1Branch: places the flow splits
0Loops or waits
1Service it connects to

The flow

Starts it 1Model 6Logic 1Service 6

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

  1. 1WhatsApp TriggerWhats App triggerStarts it
  2. 2Gemini Model (Image Branch)Lm Chat Google GeminiModel
  3. 3JSON Parser (Image)Output Parser StructuredModel
  4. 4Gemini Model (Text Branch)Lm Chat Google GeminiModel
  5. 5JSON Parser (Text)Output Parser StructuredModel
  6. 6Route By Message TypeSwitchLogic
  7. 7Analyze Image IngredientsAgentModel
  8. 8Analyze Text QueryAgentModel
  9. 9Get Image Media URLWhats AppService
  10. 10Send Analysis of ImageWhats AppService
  11. 11Send Analysis of TextWhats AppService
  12. 12Download Image FileHttp RequestService
  13. 13Convert Image to Base64Extract From FileService
  14. 14Extract Text via OCRHttp RequestService

How it's built

Starts on
An incoming WhatsApp message
Steps
14, with 1 branch
Size
Medium: a working afternoon
Connects to
WhatsApp
Model
Gemini

Questions

What does it need to run?

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

What starts it?

It starts on an incoming WhatsApp message.

Does it use AI?

Yes. It calls Gemini. 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.