# Instances APIs to manage Dynamic Monetization instances, which host the line items belonging to customers. ## Get a list of instances - [GET /v1.0/instances](https://fnoapi-dynamicmonetization.redocly.app/apis/openapispec/instances/listinstances.md): Returns information about instances owned by a producer's customer accounts. Each customer account may have one or more instances, and each instance serves exactly one customer account. ## Create an instance - [POST /v1.0/instances](https://fnoapi-dynamicmonetization.redocly.app/apis/openapispec/instances/addinstance.md): Creates a new instance. Each customer account may have one or more instances, and each instance serves exactly one customer account. This method is intended for use if you do not use FlexNet Operations as your back office, so that you can configure your upstream system (e.g. a CRM) to create instances for your accounts. ## Get instance by instance ID - [GET /v1.0/instances/{instanceId}](https://fnoapi-dynamicmonetization.redocly.app/apis/openapispec/instances/getinstancebyid.md): Returns information about a specific instance. Pass the instance ID for which you require information as a path parameter.