Use the benefit object to capture benefit types, start and end dates, and employee and company contributions. Benefits will be taken into consideration when calculating a particular employee's net pay.

{
  "id": "ben_lrcYUhTk1FVZl2vSCOBP",
  "employee": "emp_kKTK4VafMNc5pIbI0G9x",
  "benefit": "401k",
  "company_benefit": null,
  "source": null,
  "external": false,
  "period": null,
  "description": "Guideline 401(k)",
  "effective_start": "2020-01-01",
  "effective_end": null,
  "company_contribution_amount": null,
  "company_contribution_percent": 1.0,
  "company_period_amount": null,
  "employee_contribution_amount": null,
  "employee_contribution_percent": 1.0,
  "employee_period_amount": null,
  "hsa_contribution_limit": null,
  "metadata": {}
}

Attribute	Description
id string	Unique identifier for the employee benefit.
employee string	ID of the employee that this employee benefit relates to.
benefit string	The benefit type. See types of benefits for a complete list of supported benefit types.
company_benefit string	(Optional) The company benefit associated with this employee benefit.
source string	Read-only field that indicates the source that created the object. Will be `null` unless you expect a third-party to be managing objects in your system.
period string	The period over which a period amount is distributed. Can be “monthly” or null. See the Period Benefits guide for more information.
description string	Human-readable name identifying the employee benefit.
effective_start YYYY-MM-DD	The date this benefit should be considered effective. Payrolls with a payday before this date will not include the benefit.
effective_end YYYY-MM-DD	The date this benefit should be no longer be considered effective. Payrolls with a payday after this date will not include the benefit.
company_contribution_amount string	How much the company should contribute toward this employee benefit every payroll, expressed as a dollar amount.
company_contribution_percent float	How much the company should contribute toward this employee benefit every payroll, expressed as a percentage of employee earnings.
company_period_amount string	How much the company should contribute towards this employee benefit across a `period`, expressed as a dollar amount. See the Period Benefits guide for more information.
employee_contribution_amount string	How much the employee should contribute from their paycheck toward this employee benefit every payroll, expressed as a dollar amount.
employee_contribution_percent float	How much the employee should contribute from their paycheck toward this employee benefit every payroll, expressed as a percentage of employee earnings.
employee_period_amount string	How much the employee should contribute towards this employee benefit across a `period`, expressed as a dollar amount. See the Period Benefits guide for more information.
hsa_contribution_limit string	The contribution limit for a HSA benefit. Only applicable for benefits of type `hsa` and must be either `single` or `family`. If not provided, defaults to `single`.
external boolean	Read-only flag that indicates if this benefit was created automatically upon importing an external payroll, most commonly during the historical payroll import process. External benefits cannot be edited.
metadata object	Additional loosely structured information to associate with this employee benefit.