Add subscriber to form (by email)
documentedAdd a subscriber to a form using their email address.
POST /v4/forms/{form_id}/subscribersFormsno implementation yet0 runsInput
form_id*
Form ID
123
email_address*
Subscriber email address
user@example.com
referrer
Referrer URL
https://example.com
Calls Kit as you (your API key is your account); keychains.dev holds the credentials.