---
title: "UpdateParams defines a rpc handler for MsgUpdateParams."
method: POST
path: "/ibc.applications.interchain_accounts.host.v1.Msg/UpdateParams"
tags: ["Msg"]
---

# UpdateParams defines a rpc handler for MsgUpdateParams.

`POST /ibc.applications.interchain_accounts.host.v1.Msg/UpdateParams`

## Request body

- IbcApplicationsInterchainAccountsHostV1MsgUpdateParams
  - `params` IbcApplicationsInterchainAccountsHostV1Params — Params defines the set of on-chain interchain accounts parameters. The following parameters may be used to disable the host submodule.
    - `allow_messages` string[] — allow_messages defines a list of sdk message typeURLs allowed to be executed on a host chain.
    - `host_enabled` boolean — host_enabled enables or disables the host submodule.
  - `signer` string

## Response `200`

A successful response.

- IbcApplicationsInterchainAccountsHostV1MsgUpdateParamsResponse

## Other responses

- `default` — An unexpected error response.

## Changes

- **2025-05-26** `671fab54b729` — 1 info
  - api operation id `FeeMsg_UpdateParamsMixin179` removed and replaced with `FeeMsg_UpdateParamsMixin189`
- **2025-03-27** `4f349536c8f3` — 1 info
  - endpoint added
- **2025-02-24** `2ab9d24288c2` — 1 breaking
  - api path removed without deprecation
- **2025-02-05** `de0653d8a73d` — 1 info
  - api operation id `FeeMsg_UpdateParamsMixin169` removed and replaced with `FeeMsg_UpdateParamsMixin172`
- **2024-08-29** `29f6671190b2` — 1 info
  - api operation id `FeeMsg_UpdateParamsMixin172` removed and replaced with `FeeMsg_UpdateParamsMixin169`

[Full history](https://skmtc.dev/pokt-network/apis/http-api-console/changes/ibc.applications.interchain_accounts.host.v1.Msg/UpdateParams/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.dev/pokt-network/apis/http-api-console/revisions/671fab54b729?raw)