---
title: "Create rooms for a waas mpc ceremony without a walletId"
method: POST
path: "/sdk/{environmentId}/waas/createRooms"
tags: ["SDK"]
---

# Create rooms for a waas mpc ceremony without a walletId

`POST /sdk/{environmentId}/waas/createRooms`

## Path parameters

- `environmentId` string, required

## Request body

- CreateRoomsWithoutWalletIdRequest
  - `roomType` 'threshold' | 'full', required
  - `thresholdSignatureScheme` 'TWO_OF_TWO' | 'TWO_OF_THREE' | 'THREE_OF_FIVE', required
  - `roomCount` integer — Number of rooms to create

## Response `200`

Successfully created rooms for a waas mpc ceremony

- CreateRoomsWithoutWalletIdResponse
  - `roomIds` string[], required

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `500` — Internal Server Error

---

[API](https://skmtc.net/dynamic/apis/dashboard-api.md) · [All operations](https://skmtc.net/dynamic/apis/dashboard-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/dynamic/dashboard-api/versions/aac826315d90/schema)