---
title: "update least cost routing"
method: PUT
path: "/Lcrs/{LcrSid}"
tags: ["Call Routing"]
---

# update least cost routing

`PUT /Lcrs/{LcrSid}`

## Request body

- Lcr
  - `name` string, required
  - `default_carrier_set_entry_sid` string

## Response `204`

least cost routing updated

## Other responses

- `400` — bad request
- `404` — least cost routing not found
- `500` — system error

## Changes

- **2025-02-11** `370ad208ed5d` — 1 breaking
  - removed the media type `application/json` for the response with the status `204`

[Change history](https://skmtc.dev/jambonz/apis/jambonz-api/changes/Lcrs/:LcrSid/put.md)

---

[API](https://skmtc.dev/jambonz/apis/jambonz-api.md) · [All operations](https://skmtc.dev/jambonz/apis/jambonz-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/jambonz/jambonz-api/revisions/56f317145d23/schema)