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Flexsave for Amazon Web Services

DoiT Flexsave is your cloud co-pilot, dynamically maximizing your cloud-compute discounts for Amazon Web Services (AWS) without any of the risks or limitations of long-term use commitments.

Flexsave delivers the equivalent savings of a 1-year commitment without the commitment! There's no reservation management needed, no costs to enable, and guaranteed savings on all covered workloads.


Supported regions

Flexsave supports all AWS regions.

Supported instance types

You can check what instances types are available in your region using the Amazon EC2 Reserved Instances Pricing page.

Select the Convertible Reserved Instances for Amazon EC2 tab and enter your search criteria. The table of available instance types will automatically refresh.

We currently support:

  • Linux-based operating systems
  • Windows-based operating systems (including Microsoft SQL Server)

For customers with dedicated billing accounts, we also support:

  • RedHat Enterprise Linux (RHEL) and SuSe Enterprise Linux (SLES)

If you cannot find any Convertible Reserved Instances using one of our supported operating systems (see above) in your region, Flexsave does not support that instance type.

Supported products

We support the following products:

  • AWS EC2 Secure and resizable compute capacity for virtually any workload

We support these products for customers with dedicated billing accounts:

  • AWS Lambda Run code without thinking about servers or clusters
  • AWS Fargate Serverless compute for containers

We do not support any other products like AWS RDS, VMware Cloud on AWS, and Amazon ElastiCache at this time.




These frequently asked questions (FAQs) apply to Flexsave for AWS.

For platform-agnostic information, see:

What changes should I expect to see in my AWS Console?

For customers with a dedicated billing account, Flexsave will dynamically add or remove AWS accounts to your AWS Organization. These accounts carry the Saving Plans used by Flexsave. You should expect to see AWS accounts with 3-year Saving Plans and names like fs-xxxxx attached to your AWS organization.

Can I use Flexsave if I am already using SPs or RIs?

Yes, you can. Flexsave works exclusively with your on-demand compute usage and excludes anything already covered by your own SPs or RIs.

Can Flexsave provide discounts for on-demand capacity reservations?

AWS on-demand capacity reservations require zonal reserved instances, while Flexsave only supports AWS regional reserved instances. Consequently, Flexsave does not provide discounts for on-demand capacity reservations.

For customers with a dedicated billing account, your unused capacity reservations are eligible for Flexsave discounts, similar to how they are handled by AWS savings plans.

I have a special pricing plan on my AWS account. Can I still use Flexsave, and will it impact my existing savings?

Flexsave can still work with your account and will provide savings in addition to the discounts from your pricing plan.

How soon after enabling Flexsave should I expect to see the savings?

Customers on a dedicated billing account should expect to see savings within 72 hours.

Customers on a shared billing account should expect to see savings in the first week of the subsequent month. Your savings are delayed because we need to wait for AWS to release your billing data at the end of the month. We need your most recent billing data to analyze resource utilization and determine the optimal savings strategy.

Why aren't my Savings showing up?

Savings always show with a three-day delay. For example, if today was the 23rd day of the month, your Savings will be accurate to the 20th. At the beginning of a new month, the Savings will show on the 4th day of the month.

How long does an instance have to run before it qualifies for Flexsave?

For customers with shared billing accounts, Flexsave allocates capacity for the current month based on utilization during the last 7 days of the previous month.

For customers with dedicated billing accounts, qualification is instantaneous as long as it falls under covered spend.

What is the Flexsave Management Costs line item on my invoice?

The Flexsave Management Costs line-item covers the costs of using the AWS Cost Explorer APIs to query your utilization data.

We expect your Flexsave Management Costs to be trivial, with limited variability month-to-month.

Contact us


If you have additional questions about Flexsave, please contact our support team.