coss.comdocs

Create a manage session

POST
/v1/scheduling/bookings/{id}/manage_sessions

Lets an attendee reschedule or cancel this one booking, within the event type's cutoffs. Stops working when the booking's cancelled, or a day after it ends.

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 session.

application/json
  1. response
object*"scheduling.session"
Value in"scheduling.session"
id*string
token*string

Shown only now. A bearer token for the client API.

url*|

coss.com's hosted page, with the token in its fragment.

expires_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.sessions.createForBooking("book_01kd2m9a0b1c2d3e4f5g6h7j8m");
{  "object": "scheduling.session",  "id": "schs_01kd2m9a0b1c2d3e4f5g6h7j8m",  "token": "cossch_abc123",  "url": "https://example.test/h/schs_01kd2m9a0b1c2d3e4f5g6h7j8m#cossch_abc123",  "expires_at": "2027-01-01T11:00:00.000Z"}