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Contacts

Contacts are derived from every inbound message your channel sees — one row per peer JID. Profile fields (push name, about, picture) refresh on read.

GET/v1/channels/:id/contactsBearer · API key
GET/v1/channels/:id/contacts/lidsBearer · API key
GET/v1/channels/:id/contacts/:jidBearer · API key
GET/v1/channels/:id/contacts/:jid/profileBearer · API key

The lids endpoint returns the bidirectional map between phone-number JIDs and linked-device IDs (LIDs) — useful when WhatsApp surfaces a LID where you expected the phone JID.