Frequently Asked Questions

All you need to know about 99Stack Cloud, the simplified version


Support is available 24x7 every day of the year, with a maximum response time of 48 hours, we usually respond in minutes. We assist you with your account, our services, the API, technical aspects of your server instances and anything related to our service.

  • Support is available via email tickets, go to 'Company -> Contact' on this page for more info.
  • Find useful totorials and information in our knowledge base at: ''
  • Discuss with other users in our forum at: ''
All server instances are un-managed. We can assist you with basic troubleshooting, check and resolve issues with non responding server instances, switch to a recovery image to allow data recovery from a broken server and resolve issues in network routing or with the host nodes.
99Stack Cloud is committed to transparent and secure handling of all personal data within our network. Our processes have gone through an extensive procedural and legal review, to ensure that we fully meet the requirements set by the EU General Data Protection Regulation (GDPR) legislation.
99Stack Cloud takes privacy and security very seriously. All communication with sites on our domain are secured by the latest available protocols, TLS 1.2 is the minimum requirement and TLS 1.3 is preferred.

Data stored or transferred within our own servers and network utilize end to end encryption (AES with 256-bit keys). Local connections runs over private network interfaces only and personal data never leaves our servers.

Personal data collected by 99Stack Cloud, never leaves the main cluster operated by 99Stack Cloud. Local providers may see your IP address and non encrypted data you transfer to and from your servers.
Personal information is only collected during sign-up, we collect the following information: Email, Name, Country. Additionally we log connecting IP addresses and user agent, to maintain rate limits and to protect our servers.
99Stack Cloud is a decentralized company. Our websites, and database servers are located in the following regions: Sweden (EU), Ireland (EU), Germany (EU), Virginia (US), Oregon (US), India (AS), South Korea (AS), Australia (AU).
Contact abuse department at: to quickly reach out to the entire network. Include as much information as possible, describe the violation and include proof.

Do not send spam or false reports to this adress, doing so will result in a permanent ban.


On all Linux, FreeBSD and OpenBSD servers, the SSH daemon is running and listening on port 22, root login is allowed with password or a pre-installed SSH key (rsa, dsa, ecdsa). Windows servers can be accessed via remote desktop over port 3389, using the assigned password found on the server info page ('Resources -> Servers' at ''). In the same place you'll find your servers IP addresses, and other useful information.
Yes, in limited regions. SMTP over port 25 is blocked on G1, G2 and G4 plans. After additional verification G3 plans can be unlocked. Contact support and provide the following information:
  • A description of the purpose and expected recipients
  • A plan to mitigate spam and other types of abuse
  • A plan to ensure that the EU and US anti spam laws are respected
  • ID or a deposition (reserved funds on your account)
Contact support, for additional information.
99Stack Cloud API is an advanced, fast and secure way to create and manage your resources. Every single aspect of your account and it's subscriptions can be managed from the API. Go to 'Resources -> API Docs' for more information. The control panel is fully built on the API and covers most of it's features.
We offer, Linux (Ubuntu, Debian, Centos, Arch, Alpine and some more), OpenBSD, FreeBSD and Windowes server 2012 and 2016. Custom ISO's can be uploaded and deployed via API in most regions, or monuted as virtual ISO for installation or recovery.
Yes, all plans and software images includes full root/administrator access. See 'Acceptable Use Policy' for information about legal restrictions.
Yes, all regions are IPv6 ready and at least one IPv6 address can be assigned to every server instance (/64 block), without additional cost.
Yes, all regions support private networks. Private networks are limited to server instances within the same data center. Data sent over the private network interface does not affect your plan transfer quota. In some regions you can also create your own private networks in order to divide your servers further.

Limited regions also support the deployment of VPC's for additional security on the private network interface.
Block storage volumes is available in all regions and dynamically scalable between 10GB and 15TB. Attach them to your server instance and treat them like a regular locally attached disk for additional storage. Encryption and all file systems are supported.

Object storage (S3 compatible) is available in limited regions. Files are stored on the decentralized SIA blockchain, offering higher transfer speed and more storage space for a lower cost.
Server generations is a division between underlying providers or legal jurisdictions, and serves no technical differences. Some generations may provide an advantage over others for specific tasks because of technical limitations. But in most cases it's good enough to simply consider the generations as availibility zones.

More info:


Current balance can be found on the control panels main page, located at ''. An estimation of current usage can be found on the same page as well. The estimation shows the date and time when the account will run out of funds, based on current usage. Email reminders will be sent 14, 7 and 3 days in advance if the account has active subscriptions.
Most plans has a bandwidth cap, which tells you how much data is included in your plan. When this limit has been reached, different actions will be taken depending on data center and server generation:
  • Gen 1: Bandwidth overage is charged at $0.05/GB
  • Gen 2: Bandwidth overage is not charged, but you will get a slower link speed
  • Gen 3: Bandwidth overage is charged at $0.05/GB
  • Gen 4: Bandwidth overage is charged at $0.05/GB
  • Gen E11: All bandwidth usage is charged at $0.04/GB
  • Gen E12: All bandwidth usage is charged at $0.06/GB
Accounts are initially limited to 10 server instances. We'd be happy to increase your deployment limit at any time. Contact support, and let us know in which region you plan to deploy and what server type you prefer, to have this limit raised. An alternative way to raise deployment limitations instantly, is to deposit cryptocurrency to your balance. For every $20 deposited, your account is granted one additional server slot instantly.
Some information can be managed through our API, other entries such as email used for identification, can only be edited by support. Contact support if you need to edit your email address.
Go to, and enter the email adress associated with your account. You will then receive an email containing a temporary one-time password. The password is valid for 24 hours and will be deactivated after fist successful login.

Pro tip: This form will not give any indication as to if a provided email adress exist or not. Check your spelling and try again if your recovery email doesn't arrive within 5 minutes.


All active subscriptions on your account are billed on a hourly basis, from a pre-paid balance. Payments are instantly deducted from your balance once a resource is created. Billing stops immediately once a resource is removed.
Yes, servers in a stopped state continue to reserve dedicated system resources (RAM, SSD storage, IP addresses, CPU), and will therefore continue to incur charges until you remove the server. The page: 'Billing -> View invoices', in control panel '', shows active subscriptions marked as green.
Due to the privacy friendly nature of our service, we're unable to determine who would be eligable for a free trial (new customers), or not eligable (returning customers). Therefore we cannot offer a free trial. However, we use hourly billing and allow withdrawals of unused funds, which makes it simple to try out the service for a minimal cost.
We accept Visa, Mastercard, American Express, Discover, PayPal and multiple Cryptocurrencies via Cryptonator, such as Bitcoin, Ethereum, Monero, Dash, Litecoin, Dogecoin and more.
Once your account no longer has enough funds to cover the cost of your running resources and active subscriptions the system will automatically start to purge everythnig.

After a purge nothnig can be recovered, this is to protect your data from being restored by whoever is assigned to the same physical hardware that used to host your resources.

Pro tip: Enable automatic backups and check your emails regularly to avoid data loss to to insufficient funds. Automatic backups are pre-paid and keeps your disks up to a week after a server purge. Your email inbox will receive payment reminders 2 weeks, 3 days and 24 hours in advance.
Yes, VAT is deducted from your payment if you live in a country that puts value added tax on services. VAT is deducted during your payment, which means the final balance you see in your account is the full amount you can spend, 'tax free'. If your funds are withdrawn or refunded from the balance, remaining reserved tax will be refunded too.