The HubSpot CRM Object Properties API allows you to create custom properties for any CRM object, such as; line items, tickets or products. It provides a way to store any custom data, manage any custom properties, view the details for any default properties and more. This API is part of the HubSpot developer preview program that is considered unstable and subject to bugs or changes while under development. HubSpot provides products for marketing, sales and CRM. It is inbound marketing and sales software to attract visitors, convert leads, and close sales.