---
title: "Bulk update credential lists for a trunk"
method: PUT
path: "/v1/projects/{projectId}/trunks/{trunkId}/credentialLists"
tags: ["SIP Trunks"]
---

# Bulk update credential lists for a trunk

`PUT /v1/projects/{projectId}/trunks/{trunkId}/credentialLists`

## Request

- Base URL: `https://elastic-trunking.api.sinch.com`
- URL: `https://elastic-trunking.api.sinch.com/v1/projects/{projectId}/trunks/{trunkId}/credentialLists`
- Auth: one of:
  - HTTP basic
  - OAuth 2
    - Client credentials
    - Token URL: `https://auth.sinch.com/oauth2/token`

Update the list of credential list entries for a trunk.

## Request body

- string[]: Array of credential list IDs

## Response `200`

The list of credential list entries

- object
  - `credentialListIds` string[]: Array of credential list IDs

## Changes

- **2026-10-01** `108d6bcb3948`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/sinch/apis/elastic-sip-trunk-api/changes/v1/projects/:projectId/trunks/:trunkId/credentialLists/put.md)

---

[API](https://skmtc.dev/sinch/apis/elastic-sip-trunk-api.md) - [All operations](https://skmtc.dev/sinch/apis/elastic-sip-trunk-api/llms.txt) - [OpenAPI document](https://skmtc.dev/sinch/apis/elastic-sip-trunk-api/revisions/8f15a650c7cd?raw)