NO

You don’t have to worry about monthly billing commitment with us, We don’t believe in charging our customers on monthly basis for emails, Once you purchased credit, the credit it all yours until you use it. Aritic Mail Transactional email solution is available at a very affordable prepaid price plan starting from just $9 for first 10000 email credit, and once are you satisfied with our services you talk with our team to best pricing.

Once you buy the email credit, your email credit never expires.
Please use the following link to explore our pricing https://aritic.com/aritic-mail/pricing/

In case you have opted for a dedicated IP with us, you will need to pay only for IP price on the monthly basis.  One dedicated IP will cost you $25/ monthly, and the payment for dedicate Ip happens in the monthly recurring model, which will automatically be deducted from your account.