---
title: "Add a blackout date or range"
method: POST
path: "/v1/blackout"
tags: ["Blackout Dates"]
---

# Add a blackout date or range

`POST /v1/blackout`

Block out a full day or a specific time window. Bookings will not be available during blackout periods.

## Request body

- object
  - `date` string, date, required — The date to block out (YYYY-MM-DD)
  - `end_date` string, date — Optional end date for a multi-day range (YYYY-MM-DD). If omitted, blocks the single `date` only.
  - `start_time` string — Optional start time for partial-day blocks (HH:MM). Omit for full-day block.
  - `end_time` string — Optional end time for partial-day blocks (HH:MM).
  - `reason` string — Internal note (not shown to attendees)

## Response `200`

Default Response

---

[API](https://skmtc.net/schedkit/apis/schedkit-api.md) · [All operations](https://skmtc.net/schedkit/apis/schedkit-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/schedkit/schedkit-api/revisions/ff810218c3f4/schema)