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The WhatsApp Business Account ID, the App ID, and the Phone Number ID are all long numeric IDs. Enter the WhatsApp Business Account ID in the WhatsApp Business Account ID field, not the App ID or the Phone Number ID.

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Find your WhatsApp Business Account ID

The WhatsApp Business Account ID (WABA ID) identifies the WhatsApp account whose phone numbers, templates, and webhooks the connection uses.

1

Copy the ID in Business Settings

Go to Meta Business Settings and open Accounts > WhatsApp accounts.

  • Select your WhatsApp account.
  • Copy the number shown after ID: and paste it into the WhatsApp Business Account ID field in StackOne Hub.
  • Format: a numeric ID such as 102290129340398
The WhatsApp accounts page in Business Settings with the menu item, the selected account, and its ID highlighted

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Find your Phone Number ID (optional)

The Phone Number ID is the ID Meta assigns to a business phone number, not the phone number itself. When it is set, actions that send messages, upload media, or manage a phone number use it by default. Leave it empty to pass phone_number_id on each action instead, or look it up later with the Get WhatsApp Business Account Phone Numbers action.

1

Open the Phone numbers tab

In Business Settings, open Accounts > WhatsApp accounts, select the same WhatsApp account you used for the WABA ID, and open the Phone numbers tab.

  • Click the phone number you want to send from.
The WhatsApp accounts page with the menu item, the Phone numbers tab, and the phone number row highlighted
2

Copy the Phone Number ID

The Phone profile panel opens with the Phone Number ID shown after ID:.

  • Copy the number shown after ID: and paste it into the Phone Number ID field in StackOne Hub.
  • Click Done to close the panel.
  • Format: a numeric ID such as 106540352242922
The Phone profile panel with the Phone Number ID highlighted

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Use your Native Webhook URL

Native Webhook URL is generated by StackOne for this account after it connects and identifies the account to StackOne. To receive WhatsApp events, set it as the callback URL in your Meta app’s WhatsApp webhook configuration and subscribe to the webhook fields you need, as described in the WhatsApp Business events setup guide.

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Linking the Account from the Hub

1

Navigate to the Hub

Use one of the three Linking Account Methods to access the Hub.
2

Fill out the fields

Fill out the following fields using details from your provider:
  • WhatsApp Business Account ID
  • Phone Number ID (Optional)
3

Connect

  • Click Connect
  • If applicable, the provider will redirect you to a sign-in or authorization page. Complete the provider’s authorization flow.
  • Once authorization is successful, you will see a confirmation popup

If the account linking is successful, you will see the newly linked account in your Accounts page.

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Next Steps

Webhooks setup

Configure receiving Events for WhatsApp Business into StackOne.