Contacts
Check if a number is on WhatsApp
ruby
result = client.on_whatsapp?("+33612345678")
# => { exists: true, jid: "[email protected]" }Returns nil if the number is not registered on WhatsApp.
Profile picture
ruby
# Standard resolution
url = client.profile_picture("+33612345678")
# High resolution
url = client.profile_picture("+33612345678", high_res: true)Returns the URL of the contact's profile picture, or nil if unavailable (privacy settings).
Fetch status (about)
ruby
status = client.fetch_status("+33612345678")
# => { status: "Hey there! I am using WhatsApp", set_at: 1234567890 }Business profile
ruby
profile = client.business_profile("+33612345678")
# => { description: "...", category: "...", website: "...", email: "...", ... }Returns business profile information for WhatsApp Business accounts. Returns nil for regular accounts.
Contact updates
Listen for real-time contact updates (profile picture changes, status changes, etc.):
ruby
client.on_contacts_update do |data|
puts data # contact update payload from Baileys
endRails usage
In account mode, all contact methods are available through the proxy:
ruby
hotel.whatsapp.on_whatsapp?("+33612345678")
hotel.whatsapp.profile_picture("+33612345678", high_res: true)