Tiny Klaviyo list subscribe utility. 320 bytes gzipped.
npm i klaviyo-subscribe --save
import subscribe from 'klaviyo-subscribe'
const listId = 'JFDd6y'
const email = 'email@email.com'
subscribe(listId, email, {
$first_name: 'Eric',
// any optional traits
}).then(response => {})
MIT License © Eric Bailey