Sold by: Synadia
Deployed on AWS
AWS Free Tier
Zero-cost distribution of NATS.io by Synadia, the creator and maintainers of the NATS open source project. NATS is a connective technology built for the ever increasingly hyper-connected world. It is a single technology that enables applications to securely communicate across any combination of cloud vendors, on-premise, edge, web and mobile, and devices.
Overview
NATS.io is a connective technology built for the ever increasingly hyper-connected world. It is a single technology that enables applications to securely communicate across any combination of cloud vendors, on-premise, edge, web and mobile, and devices. NATS consists of a family of open source products that are tightly integrated but can be deployed easily and independently. NATS is being used globally by thousands of companies, spanning use-cases including microservices, edge computing, mobile, IoT and can be used to augment or replace traditional messaging.
Zero-cost distribution of NATS.io by Synadia, the creator and maintainers of the NATS open source project.
Highlights
- Simple & extreme high performance messaging
- Designed for both cloud and edge environments
- Multi-tenancy & zero-trust security built-in
Details
Sold by
Delivery method
Delivery option
64-bit (x86) Amazon Machine Image (AMI)
Latest version
Operating system
Ubuntu 24.04
Deployed on AWS
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Pricing
This product is available free of charge. Free subscriptions have no end date and may be canceled any time.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
If you are an AWS Free Tier customer with a free plan, you are eligible to subscribe to this offer. You can use free credits to cover the cost of eligible AWS infrastructure. See AWS Free Tier for more details. If you created an AWS account before July 15th, 2025, and qualify for the Legacy AWS Free Tier, Amazon EC2 charges for Micro instances are free for up to 750 hours per month. See Legacy AWS Free Tier for more details.
Dimensions summary
This listing is free to use. You pay nothing for the NATS.io Server software itself. Pricing runs on an hourly basis and is tied entirely to the AWS EC2 instance type you choose to run it on. Each dimension represents a different EC2 instance size, from small general-purpose types to large memory-, compute-, and storage-optimized machines. Your cost scales with the capacity of the instance you select. Larger instances carry higher hourly rates, while smaller ones cost less. You pick the instance that fits your workload and pay only for the hours it runs.
Top-of-mind questions for buyers
Each dimension is a specific AWS EC2 instance type where you run the NATS.io Server. The software itself is free. The hourly rate reflects the instance's size and class, such as general-purpose, compute-, memory-, or storage-optimized. You choose the instance that matches your workload's CPU, memory, and storage needs.
The software is free, so it adds no charge regardless of instance state. When you stop an EC2 instance, hourly compute charges stop. Underlying AWS storage attached to a stopped instance may still incur separate AWS fees. You pay only for the hours an instance actually runs.
You can move to a larger instance type or run the server across multiple nodes. NATS supports clusters, superclusters, and leaf nodes to extend across regions and edge locations without redesign. Each instance you run is billed separately at its own hourly rate for the hours it runs.
nats.io
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Vendor refund policy
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Content disclaimer
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Delivery details
64-bit (x86) Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Release notes can be found here: https://github.com/nats-io/nats-server/releases/tag/v2.14.4
Additional details
Usage instructions
Choosing a Machine Type: The default machine type was chosen to be economical for developers and not intended for benchmarking. NATS can run on extremely low resource environments so we recommend choosing an machine type that meets your needs as detailed here:
https://docs.nats.io/running-a-nats-service/introduction/installation#hardware-requirements
Note that the NATS server is usually network bound, so be sure to choose a machine type that meets your network requirements. When JetStream is enabled, you will also need to account for storage performance with EBS. Here are some suggestions as a starting place, although we recommend testing a variety of images to ensure your throughput and storage needs are met.
NATS Core:
- Basic Development and Experimentation: t3a.medium
- High Speed Production Usage: c4.2xlarge
- Extreme Performance/Benchmarking: c6a.32xlarge
NATS JetStream:
- Basic Development and Experimentation: t3a.medium
- High Speed Production Usage: d3.8xlarge
- Extreme Performance/Benchmarking: d3en.12xlarge
Once the VM is deployed, access your instance via SSH and refer to the file /etc/nats-server/auth.conf for the default system account credentials and user account credentials.
Resources
Vendor resources
Support
Vendor support
This distribution of NATS.io comes with community support only and no response SLA. Join the large NATS Slack community (https://slack.nats.io ) where you can ask questions.
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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Next day response time support for your mission critical NATS deployment.
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