Create Client Subscription
documentedSubscribe a client profile via client-side API (beta in some versions).
POST /client/subscriptionsClient APIno implementation yet0 runsInput
email
Subscriber Email
user@example.com
phone_number
Subscriber Phone Number
+15551234567
email_subscription_tier
Email Subscription Tier
MARKETING
sms_subscription_tier
SMS Subscription Tier
MARKETING
Calls Klaviyo as you (your API key is your account); keychains.dev holds the credentials.