---
title: "UpdateClientParams defines a rpc handler method for MsgUpdateParams."
method: POST
path: "/ibc.core.client.v1.Msg/UpdateClientParams"
tags: ["Msg"]
---

# UpdateClientParams defines a rpc handler method for MsgUpdateParams.

`POST /ibc.core.client.v1.Msg/UpdateClientParams`

## Request body

- object — MsgUpdateParams defines the sdk.Msg type to update the client parameters.
  - `signer` string
  - `params` object — params defines the client parameters to update. NOTE: All parameters must be supplied.
    - `allowed_clients` string[] — allowed_clients defines the list of allowed client state types which can be created and interacted with. If a client type is removed from the allowed clients list, usage of this client will be disabled until it is added again to the list.

## Response `200`

A successful response.

## Other responses

- `default` — An unexpected error response.

## Changes

- **2024-02-23** `54713b4a9d25` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/pokt-network/apis/http-api-console/changes/ibc.core.client.v1.Msg/UpdateClientParams/post.md)

---

[API](https://skmtc.dev/pokt-network/apis/http-api-console.md) · [All operations](https://skmtc.dev/pokt-network/apis/http-api-console/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/pokt-network/http-api-console/revisions/19416a3f0cd1/schema)