> ## Documentation Index
> Fetch the complete documentation index at: https://developers.hubspot.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Lead object definition

> Information about the Lead object, including identifiers, feature support, and default properties.

**Lead**

Tracks progress of associated contact or company through sales qualification. Leads are eventually either qualified or closed.

**Object ID:**
`0-136`

**Fully qualified name (FQN):**
`LEAD`

> [tab] Overview
>
> **Features**
>
> Has pipelines
>
> Allows custom properties
>
> Doesn't allow sensitive properties
>
> **Key properties**
>
> **Required properties**
>
> **Primary display property**
>
> **Secondary display properties**
>
> [Searchable properties](https://developers.hubspot.com/docs/api-reference/search/guide.md)

> [tab] Properties
>
> Below are the available default properties that can be set for each lead. To retrieve the complete list of lead properties available in your specific account, including any custom properties, make a `GET` request to `/crm/properties/2026-09/leads`. See the [Properties API documentation](https://developers.hubspot.com/docs/api-reference/latest/crm/properties/guide.md) for full details.
>
> > [!NOTE]
> >
> > Note that your account's available properties may vary based on:
> >
> > * Your HubSpot subscription level and enabled features.
> > * Custom properties added by your organization.
> > * Account age (older accounts may have slightly different property variations).

> [tab] Associations