Contacts Overview
WhatsApp contact identity, phone formatting, registration check, and local directory logs.
Contacts allow you to track WhatsApp user identities, format local numbers to correct JID formats, check registration status, block/unblock users, and retrieve profile metadata.
Capabilities
- Normalize raw input numbers using local or international country prefixes
- Verify whether a destination phone number is registered on WhatsApp
- Resolve rich contact detail schemas (including LIDs and profile pictures)
- Retrieve shared common WhatsApp groups with a contact
- Manage instance blocklists remotely
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