For similar capabilities to Amazon Timestream for LiveAnalytics, consider Amazon Timestream for InfluxDB. It offers simplified data ingestion and single-digit millisecond query response times for real-time analytics. Learn more [here](https://docs.amazonaws.cn//timestream/latest/developerguide/timestream-for-influxdb.html).
# Read replica licensing through Amazon Web Services Marketplace
To use Timestream for InfluxDB read replicas, you will need to activate the Timestream for InfluxDB read replicas add-on license through Amazon Web Services Marketplace. Once the license is active, you will pay an hourly rate to use read replica clusters. You will only pay for the hours your read replica cluster is active. If you subscribe to the license but have no active Timestream for InfluxDB read replica clusters, you will not be charged.
**Topics**
+ [Read replica licensing terminology](#timestream-for-influx-rr-licensing-terminology)
+ [Payments and billing](#timestream-for-influx-rr-license-billing)
+ [Subscribing to the InfluxDB read replica add-on on Marketplace listings](#timestream-for-influx-subscribe-rr-add-on)
## Read replica licensing terminology
This page uses the following terminology when discussing the Amazon Timestream for InfluxDB integration with Amazon Web Services Marketplace.
**SaaS subscription**
In Amazon Web Services Marketplace, software-as-a-service (SaaS) products such as the pay-as-you-go license model adopt a usage-based subscription model. InfluxData, the software seller for the read replica add-on, tracks your usage and you pay only for what you use.
**InfluxData Marketplace fees**
Fees charged for the InfluxDB read replica add-on software license usage by InfluxData. These service fees are metered through Amazon Web Services Marketplace and appear on your Amazon bill under the Amazon Web Services Marketplace section.
**Amazon Timestream for InfluxDB fees**
Fees that Amazon charges for the Amazon Timestream for InfluxDB services, which excludes licenses when using Timestream for InfluxDB read replica clusters. Fees are metered through the Amazon Timestream for InfluxDB service being used and appear on your Amazon bill.
## Payments and billing
Timestream for InfluxDB integrates with Amazon Web Services Marketplace to offer hourly, pay-as-you-go licenses for the read replica add-on. The read replica Marketplace fees cover the license costs of the read replica add-on software, and the Amazon Timestream fees cover the costs of your Timestream for InfluxDB read replica cluster usage. For information about pricing, see [Amazon Timestream pricing](https://www.amazonaws.cn/timestream/pricing).
To stop these fees, you must delete any Timestream for InfluxDB read replica clusters. In addition, you can remove your subscriptions to Amazon Web Services Marketplace for read replica add-on license. If you remove your subscriptions without deleting your read replica clusters, Amazon Timestream will continue to bill you for the use of the read replica clusters. For more information, see [Considerations when deleting replicas](timestream-for-influx-read-replica-overview.md#timestream-for-influx-rr-deletion).
You can view bills and manage payments for your Timestream for InfluxDB read replica cluster in the Amazon Billing console. Your bills includes two charges: one for your usage of InfluxData's licensed add-on through Amazon Web Services Marketplace, and one for your usage of Amazon Timestream. For more information about billing, see [Understanding your bill](https://docs.amazonaws.cn/awsaccountbilling/latest/aboutv2/getting-viewing-bill.html) in the *Amazon Billing and Cost Management User Guide*.
## Subscribing to the InfluxDB read replica add-on on Marketplace listings
To use the read replica add-on license through Amazon Web Services Marketplace, you must use the Amazon Timestream Amazon Web Services Management Console to subscribe to the InfluxDB read replica add-on. You cannot complete these tasks through the Amazon CLI or the Timestream for InfluxDB API.
**Topics**
+ [Subscribe from Amazon Timestream Amazon Web Services Management Console](#timestream-for-influx-subscribe-console)
+ [Subscribe to the InfluxDB read replica add-on in Amazon Web Services Marketplace](#timestream-for-influx-subscribe-marketplace)
**Note**
If you want to create your read replica cluster by using the Amazon CLI or the Timestream for InfluxDB API, you must complete this step first.
### Subscribe from Amazon Timestream Amazon Web Services Management Console
You can subscribe to the InfluxDB read replica add-on using the Timestream Management Console. Start the **Create InfluxDB Database** flow and follow the steps. For more information, see [Creating a Timestream for InfluxDB read replica cluster](timestream-for-influx-create-rr-cluster.md).
### Subscribe to the InfluxDB read replica add-on in Amazon Web Services Marketplace
To use the InfluxDB add-on license with Amazon Web Services Marketplace, you need to have an active Amazon Web Services Marketplace subscription for the InfluxDB read replica add-on. You will need to subscribe to a single add-on offer and that will allow you to create any instance type you need in any of the available regions. For information about Amazon Web Services Marketplace subscriptions, see [SaaS products through Amazon Web Services Marketplace](https://docs.amazonaws.cn/marketplace/latest/buyerguide/buyer-saas-products.html#saas-pricing-models) in the *Amazon Web Services Marketplace Buyer Guide*.
We recommend that you subscribe to InfluxDB in Amazon Web Services Marketplace *before* you start creating a DB instance.
1. Navigate to the [Amazon Web Services Marketplace](https://console.amazonaws.cn/marketplace) and search for InfluxData.
1. Select **Timestream for InfluxDB Read Replicas (Add-On)**.
1. Select **View purchase options**.
1. Review the End User License Agreement and choose **Subscribe**.
1. You can now create your Timestream for InfluxDB read replica cluster using the Timestream Management Console, CLI, or API.