The HubSpot CRM Associations API allows you to manage associations between tickets, products, line items, companies, deals and more. Associations are defined based on the type of objects being associated, and the direction of that association. 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.