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Release a hold

DELETE
/v1/scheduling/holds/{id}

Gives the slot back early.

Authorization

bearerAuth
headerAuthorizationBearer <token>

A secret API key from the dashboard: coss_live_… for production environments, coss_test_… for sandbox environments.

Path Parameters

id*string

The booking's id.

Header Parameters

Coss-Version?"2026-10-10"

The API version (a date) to use for this request. Defaults to your organization's version, pinned to the latest one when it first used the API and upgraded from the dashboard. The SDK always sends the version it was built for.

Value in"2026-10-10"

Response Body

The cancelled booking.

application/json
  1. response
object*"scheduling.booking"
Value in"scheduling.booking"
id*string
event_type*string
status*string
Value in"held""pending_approval""confirmed""cancelled""declined"
title*string
start*string
end*string
hosts*array<string>
attendees*array<>
location*||||
hold_expires_at*string|null
approval_expires_at*string|null
series*string|null
series_index*number|null
group_session*string|null
calendar_unverified*boolean
external_conflict_at*string|null
no_show_at*string|null
cancelled_at*string|null
metadata*
created_at*string
updated_at*string
import { Coss } from "coss";const coss = new Coss({  apiKey: process.env.COSS_API_KEY,  baseUrl: "https://api.coss.com",});const { data, error } = await coss.scheduling.holds.release("book_01kd2m9a0b1c2d3e4f5g6h7j8m");
{  "object": "scheduling.booking",  "id": "book_01kd2m9a0b1c2d3e4f5g6h7j8m",  "event_type": "evtype_01kd2m9a0b1c2d3e4f5g6h7j8m",  "status": "confirmed",  "title": "Initial consultation",  "start": "2027-01-04T15:00:00.000Z",  "end": "2027-01-04T15:30:00.000Z",  "hosts": [    "host_01kd2m9a0b1c2d3e4f5g6h7j8m"  ],  "attendees": [    {      "id": "attn_01kd2m9a0b1c2d3e4f5g6h7j8m",      "uid": "patient_77",      "name": "Sam Lee",      "email": "sam@example.com",      "phone": null,      "time_zone": "UTC",      "locale": null    }  ],  "location": null,  "hold_expires_at": null,  "approval_expires_at": null,  "series": null,  "series_index": null,  "group_session": null,  "calendar_unverified": false,  "external_conflict_at": null,  "no_show_at": null,  "cancelled_at": null,  "metadata": {},  "created_at": "2027-01-01T10:00:00.000Z",  "updated_at": "2027-01-01T10:00:00.000Z"}