---
title: "UpdateParams defines a (governance) operation for updating the x/auth module parameters. The authority defaults to the x/gov module account."
method: POST
path: "/cosmos.auth.v1beta1.Msg/UpdateParams"
tags: ["Msg"]
---

# UpdateParams defines a (governance) operation for updating the x/auth module parameters. The authority defaults to the x/gov module account.

`POST /cosmos.auth.v1beta1.Msg/UpdateParams`

Since: cosmos-sdk 0.47

## Request body

- object — MsgUpdateParams is the Msg/UpdateParams request type. Since: cosmos-sdk 0.47
  - `authority` string — authority is the address that controls the module (defaults to x/gov unless overwritten).
  - `params` object — params defines the x/auth parameters to update. NOTE: All parameters must be supplied.
    - `max_memo_characters` string, uint64
    - `tx_sig_limit` string, uint64
    - `tx_size_cost_per_byte` string, uint64
    - `sig_verify_cost_ed25519` string, uint64
    - `sig_verify_cost_secp256k1` string, uint64

## 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/cosmos.auth.v1beta1.Msg/UpdateParams/post.md)

---

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