Subscribe to a Contact's Presence
View All WhatsApp Messaging API APIs →Subscribe to presence (online/offline) updates for a contact. Send a JSON body with phone set to the full international number (JSON number, digits only). After subscribing, the account receives that contact's presence updates subject to their privacy settings.
API Features
Presence subscription Register to receive a contact's online/offline updates
By number Subscribe using the full international phone number
Privacy-respecting Updates depend on the contact's own privacy configuration
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POST
/api/project/whatsapp-messaging/subscribe-presence API Response (JSON)
{} Query Result
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Use Cases
- Monitor when key contacts come online before outreach
- Track availability signals for support routing
- Feed presence events into an engagement workflow