put https://www.your-shop.de/api/v1/NewsletterRecipient/
Language
Credentials
xxxxxxxxxx
curl --request PUT \
--url https://www.your-shop.de/api/v1/NewsletterRecipient/id \
--header 'Apt-Api-Key: YOUR-API-KEY' \
--header 'Apt-Api-Signature: YOUR-API-SIGNATURE' \
--header 'Content-Type: application/json; charset=utf-8'