Profile
The channel's own WhatsApp profile (display name, "about" line, picture).
GET/v1/channels/:id/profileBearer · API key
PATCH/v1/channels/:id/profileBearer · API key
{ "name": "Acme Support", "about": "Open 9–5 GMT", "picture_url": "https://cdn.example.com/avatar.png" }Setting clear_picture: true removes the picture entirely.