# sib_contacts.updatebatchcontacts: Sendinblue Package for Contacts operations that could not be mapped to a table. sib_contacts.updatebatchcontacts: Sendinblue Package for Contacts operations that could not be mapped to a table. Update multiple contacts in a single API call by passing an array of contact objects. Each contact in the array must be identified by one of: email, id, or sms (only one identifier per contact). You can update attributes, blacklist status, list memberships, ext_id, and transactional email forbidden senders for each contact in the batch.