---
title: "Create a time off policy assignment"
method: POST
path: "/time-off/assignments"
---

# Create a time off policy assignment

`POST /time-off/assignments`

## Request

- Base URL: `https://sandbox.checkhq.com`
- URL: `https://sandbox.checkhq.com/time-off/assignments`
- Auth: API key in header `Authorization`
- TypeScript: <https://skmtc.dev/checkhq/apis/check-api/docs/time-off/assignments/post.ts> (a function with typed inputs; its response is checked against the schema)

Assigns a time off policy to an employee. An employee can have only one assignment for each policy.

## Request body

- object
  - `employee` string, required: ID of the employee the policy is assigned to.
  - `policy` string, required: ID of the assigned policy.
  - `effective_start` string, date: The date the assignment takes effect. Waiting periods are counted from this date, and for policies with a `policy_year.basis` of `assignment`, the policy year resets on its anniversary. Defaults to the employee's start date. Can't be changed after the assignment is created.

## Response `200`

200

- TimeOffPolicyAssignment
  - `id` string: Unique identifier for the assignment.
  - `policy` string: ID of the assigned policy.
  - `policy_name` string: Name of the assigned policy.
  - `employee` string: ID of the employee the policy is assigned to.
  - `active` boolean: Whether the assignment is active. Assignments are active when created.
  - `effective_start` string, date: The date the assignment takes effect. Waiting periods are counted from this date, and for policies with a `policy_year.basis` of `assignment`, the policy year resets on its anniversary. Defaults to the employee's start date. Can't be changed after the assignment is created.
  - `balance` string, decimal: The employee's live balance on the policy, in hours. This is the sum of all time off entries on the assignment.

## Other responses

- `400`: 400

## Changes

- **2026-11-03** `5a54f5eb888b`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/checkhq/apis/check-api/changes/time-off/assignments/post.md)

---

[API](https://skmtc.dev/checkhq/apis/check-api.md) - [All operations](https://skmtc.dev/checkhq/apis/check-api/llms.txt) - [OpenAPI document](https://skmtc.dev/checkhq/apis/check-api/revisions/5a54f5eb888b?raw)