Uploaded June 2026 | Updated September 2026, 1 week ago
WhatsApp is introducing Usernames and a new backend identifier – the Business Scoped User ID (BSUID) – that will replace phone numbers for users who adopt usernames on the WhatsApp Business Platform. Vidhur Voora (Business Engineer) and Leonardo De Castro Monteiro (Partner Engineer) explain how to update your webhook parsing logic and API requests to handle BSUIDs, the 30-day phone number visibility rule, and new tools like the contact book service and REQUEST_CONTACT_INFO button.
WhatsApp is introducing Usernames and a new backend identifier – the Business Scoped User ID (BSUID) – that will replace phone numbers for users who adopt usernames on the WhatsApp Business Platform. Vidhur Voora (Business Engineer) and Leonardo De Castro Monteiro (Partner Engineer) explain how to update your webhook parsing logic and API requests to handle BSUIDs, the 30-day phone number visibility rule, and new tools like the contact book service and REQUEST_CONTACT_INFO button.
![[ASL] Meta Wearables Device Access Toolkit, Our First Developer Toolkit for AI Glasses](https://i.ytimg.com/vi/qLP9aGQfsDk/mqdefault.jpg "[ASL] Meta Wearables Device Access Toolkit, Our First Developer Toolkit for AI Glasses
Our lineup of AI glasses is expanding. In this session, we will provide an exclusive, in-depth look at what we are planning to unveil in our highly anticipated official developer preview. Gain early insight into the toolkits core functionalities and discover how it facilitates the creation of unique experiences that leverage the natural perspective of the wearer and the clarity of open-ear audio.")
