Upsert member
documentedUpdate or create a list member.
PUT /lists/{list_id}/members/{subscriber_hash}Membersno implementation yet0 runsInput
dc
Mailchimp Data Center (dc)
us19
list_id*
List ID
List ID
subscriber_hash*
Subscriber hash (MD5 of lowercase email)
md5(lowercase email)
email_address*
Subscriber email address
user@example.com
status*
Subscription status
subscribed|pending|unsubscribed|cleaned|transactional
first_name
First name
First name
last_name
Last name
Last name
Calls Mailchimp as you (your API key is your account); keychains.dev holds the credentials.