{
"plan_id": "string"
}curl --location 'https://api.neucron.io/v1/subscription/request?customerID=&appID=' \
--header 'X-Neucron-Business-ID;' \
--header 'X-Neucron-App-Secret;' \
--header 'Content-Type: application/json' \
--data '{
"plan_id": "string"
}'{
"message": "string",
"url": "string"
}