Automation library · Customer support

WhatsApp support bot with Google Drive RAG and OpenAI

Started by an incoming WhatsApp message, and works across Google Drive, Supabase vectors and WhatsApp. It puts OpenAI behind a retrieval step, so answers are drawn from documents you supply rather than from the model alone. 21 steps, 1 branch: large, and worth reading before you trust it with anything live.

LargeCalls a model: OpenAIRetrieval

Download free
21 stepsLarge: read it before trusting it with anything live
1Branch: places the flow splits
0Loops or waits
3Services it connects to

The flow

Starts it 2Model 11Logic 4Service 4

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

  1. 1Google Drive TriggerGoogle Drive triggerStarts it
  2. 2Embeddings OpenAIEmbeddings Open AiModel
  3. 3Character Text SplitterText Splitter Character Text SplitterModel
  4. 4OpenAI Chat ModelLm Chat Open AiModel
  5. 5Embeddings OpenAI1Embeddings Open AiModel
  6. 6Reranker CohereReranker CohereModel
  7. 7WhatsApp TriggerWhats App triggerStarts it
  8. 8Simple MemoryMemory Buffer WindowModel
  9. 9Edit FieldsSetLogic
  10. 10Supabase Vector StoreVector Store SupabaseModel
  11. 11Default Data LoaderDocument Default Data LoaderModel
  12. 12AI AgentAgentModel
  13. 13Kknowledge_baseVector Store SupabaseModel
  14. 14SwitchSwitchLogic
  15. 15Download fileGoogle DriveService
  16. 16Send messageWhats AppService
  17. 17MergeMergeLogic
  18. 18HTTP RequestHttp RequestService
  19. 19Edit Fields1SetLogic
  20. 20HTTP Request1Http RequestService
  21. 21Translate a recordingOpen AiModel

How it's built

Starts on
An incoming WhatsApp message
Steps
21, with 1 branch
Size
Large: read it before trusting it with anything live
Connects to
Google Drive, Supabase vectors, WhatsApp
Model
OpenAI
Retrieval
Answers are drawn from documents you supply, not from the model alone

Questions

What does it need to run?

An n8n account, plus your own Google Drive, Supabase vectors and WhatsApp accounts, and a key for OpenAI. 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 OpenAI. Its answers draw on documents you give it, not on the model alone. Model calls are billed by the provider, not by n8n.

How long does it take to set up?

Take your time. At 21 steps it is large: read it before trusting it with anything live.

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 21 steps before you point it at anything that matters.