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Contact Management

Update multiple contacts

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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.

Authentication

api-keystring

The API key should be passed in the request headers as api-key for authentication.

OR
AuthorizationBearer

OAuth 2.0 client_credentials (machine-to-machine) grant. Exchange your app’s client_id/client_secret for a short-lived Bearer token.

Request

Values to update multiple contacts
contactslist of objectsOptional
List of contacts to be updated

Response

All contacts updated

Errors

400
Bad Request Error