How to obtain Whatsapp API?

✅ Prerequisites

Before you begin, make sure you have:

• A Meta Business Account
• A Facebook Developer Account
• A Verified Business
• A Phone Number to link to WhatsApp
• Access to Meta's Graph API Explorer or Meta for Developers portal

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🪜 STEP 1: Create a Meta App

1. Go to https://developers.facebook.com/apps
2. Click “Create App”
3. Choose "Business" as the app type, then click Next
4. Give your app a name and enter a contact email
5. Choose your Business Account (or create one)
6. Click Create App

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🪜 STEP 2: Add WhatsApp Product

1. In your app dashboard, scroll down to "Add a Product"
2. Find "WhatsApp" and click “Set Up”
3. Link your Business Manager Account

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🪜 STEP 3: Create a WhatsApp Business Account (if needed)

1. If you haven’t already, go to https://business.facebook.com/
2. Click “Create Account”, and complete your business information
3. Go to Business Settings > Accounts > WhatsApp Accounts
4. Add a Phone Number (you'll receive a verification code)

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🪜 STEP 4: Generate a Temporary Access Token (for development)

1. In the App Dashboard, go to WhatsApp > Getting Started
2. Choose your test phone number
3. Copy the temporary access token (valid for 24 hours)
4. Copy the Phone Number ID and WhatsApp Business Account ID

✅ Save these 3 values:

• Access Token
• Phone Number ID
• WABA ID

📝 Tip: For production, you will later need to create a permanent token (see step 7).

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🪜 STEP 5: Set Up a Webhook URL (n8n)

1. In n8n, set up a Webhook node (or use the WhatsApp Trigger node)
2. Copy the webhook URL
3. In the Meta Developer Dashboard:
   • Go to WhatsApp > Configuration
   • Click “Edit Callback URL”
   • Paste your n8n webhook URL and add a random verify token
4. In n8n, configure your webhook to respond to the verification request

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🪜 STEP 6: Subscribe to Webhook Fields

1. Still under WhatsApp > Configuration, click "Manage Subscriptions"
2. Enable:
   • messages
   • message_status
   • (Optionally message_template_status_update)

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🪜 STEP 7: (Optional but recommended) Generate a Permanent Token

1. Go to https://developers.facebook.com/tools/access_token/
2. Select your app
3. Click Get Token > System User Token
4. Select the permissions:
   • whatsapp_business_management
   • whatsapp_business_messaging
   • business_management
5. Click Generate Token
6. Copy and securely store this token

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🪜 STEP 8: Configure Credentials in n8n

1. Go to n8n > Settings > Credentials
2. Create new credentials of type HTTP Header Auth
   • Name: WhatsApp
   • Header Name: Authorization
   • Value: Bearer <your_access_token>
3. Save

Then, in your workflows:

• Use the HTTP Request node or WhatsApp node
• Set the phone_number_id in the node parameters
• Connect it to your WhatsApp credential

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🧪 STEP 9: Test the Connection

1. Use a WhatsApp number to send a message to your business phone
2. Your n8n workflow should be triggered
3. You can now send and receive messages programmatically 🎉

AI-Powered WhatsApp Chatbot for Text, Voice, Images & PDFs

Purpose and structure

This folder contains the AI-Powered WhatsApp Chatbot for Text, Voice, Images & PDFs workflow. Its executable nodes use agent, code, extractFromFile, httpRequest, if, lmChatOpenAi, memoryBufferWindow, openAi, set, switch, whatsApp, whatsAppTrigger. The table and connection map below are derived from the JSON, not an inferred guarantee of behavior.

Setup

Import inactive. Configure your own credentials and replace REPLACE_WITH_* values. Review external destinations and Code nodes before running.

Entry points

WhatsApp Trigger

Verification

Sanitized source candidate; not runtime-tested. This overview is generated from node metadata. Read the folder README for the connection map, credential types, and license.

Attribution

https://github.com/Zie619/n8n-workflows/blob/94007c1445d9258a7da116646b79473e7c7c3282/workflows/Code/2033_Code_Extractfromfile_Automate_Webhook.json MIT; preserve source notices.