Create a Production System-User Access Token

Create a restricted Meta system user, assign the correct assets and generate a long-running WhatsApp API token for Wemblo.

Overview

Search Aliases: permanent WhatsApp token, non-expiring token, WABA system user, WhatsApp API secret

Temporary Access Token	Short-lived credential for initial testing.
System User	Non-person identity controlled by the business.
Long-Running Token	Token created for ongoing server use; it can still be revoked, invalidated or affected by permission/account changes.
Asset Assignment	Gives the system user access to the app and WhatsApp assets.
Scope / Permission	Defines the API actions the token can perform.

Open Meta Business Settings.
Select the correct Business Portfolio.
Open Users -> System Users.
Choose Add.
Enter a clear internal name such as Wemblo_WhatsApp_Service.
Choose the minimum role that can manage the required assets; use full administrative access only when genuinely required.
Create the system user.
Select the system user.
Choose Assign Assets.
Assign the correct Meta app.
Assign the correct WhatsApp Business Account and phone assets where available.
Grant only the required management or messaging access.
Choose Generate New Token.
Select the correct Meta app.
Select required permissions such as whatsapp_business_messaging and whatsapp_business_management when required by the intended operations.
Generate the token.
Copy it immediately and store it securely.
Enter it only in the protected Wemblo token field.

Generate Token button missing	Check system-user role and app assignment.
Permission not available	Confirm the app, product and Business Portfolio relationship.
Token works for one asset only	Review WABA and phone asset assignment.
Token stops working	Check revocation, business/app changes and permission removal.
Unauthorized error	Confirm the token, selected app and required permission.

Last reviewed: 2026-07-13