Connect Connectif

Sign up to https://leadthing.dev and purchase a subscription
Get the leadthing.dev API key
Create an API key with the permission contacts write as described here: https://api-docs.connectif.cloud/connectif-api/guides/authentication
Send the Newsletter System name and the API key to Sovendus

Sign up to https://leadthing.dev and purchase a subscription
Get the leadthing.dev API key
Create an API key with the permission contacts write as described here: https://api-docs.connectif.cloud/connectif-api/guides/authentication
Send the Newsletter System name and the API key to Sovendus