Create a subscriber
Behaves as an upsert. If a subscriber with the provided email address does not exist, it creates one with the specified first name and state. If a subscriber with the provided email address already exists, it updates the first name.
We will ignore custom fields that don’t already exist in your account. We will not return an error if you try to add data to a custom field that does not exist. Please use Create a custom field to create custom fields before setting for subscribers.
NOTE: Updating the subscriber state with this endpoint is not supported at this time.
NOTE: We support creating/updating a maximum of 140 custom fields at a time.
Authorizations
Authenticate API requests via an API Key
Body
Response
Returns a 200 and updates the subscriber first name when a subscriber with provided email already exists
The response is of type object.