Integrating with n8n

Start with the WasenderAPI community node

The recommended way to connect n8n is the WasenderAPI community node. It provides WasenderApi operations and a WasenderAPI Trigger for incoming events, reducing the manual setup needed for authentication and request payloads.

WasenderApi is an unofficial WhatsApp API that emulates WhatsApp Web. The community node connects to WasenderApi; it is not a Meta WhatsApp Business Platform integration.

Install and connect

1. In an n8n installation that allows community nodes, open Settings → Community Nodes and install n8n-nodes-wasenderapi.
2. In WasenderApi settings, generate a Personal Access Token.
3. Add a WasenderAPI node to your workflow and save that token in its credentials. Use a personal access token, not a session API key.
4. Select the resource, operation and connected session you need, then run a small test.

Follow the community node documentation for detailed setup and supported operations.

Receive messages with WasenderAPI Trigger

Add a WasenderAPI Trigger node and configure the session and event subscription. Activate the workflow, then send a new message to the connected number to test the trigger.

Before building an automatic reply, filter out messages sent by your own account and add duplicate-message handling so an event cannot repeatedly trigger the same action.

Troubleshoot a workflow

• Authentication fails: confirm that the credential contains a valid personal access token.
• No incoming events: confirm that the workflow is active, the right session is connected and its message filters allow the event. Use the Webhook Simulator to investigate delivery errors.
• Sending is rate limited: queue requests and respect the API’s retry_after response.
• A quote is missing: preserve the original webhook objects when using replyToObject.

If an operation needs a manual HTTP Request node, follow that endpoint’s API documentation for its authentication and payload requirements. Keep secrets in n8n credentials.