---
title: "UpdateParams defines an operation for updating the x/staking module parameters."
method: POST
path: "/cosmos.staking.v1beta1.Msg/UpdateParams"
tags: ["Msg"]
---

# UpdateParams defines an operation for updating the x/staking module parameters.

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

## Request body

- CosmosStakingV1beta1MsgUpdateParams — MsgUpdateParams is the Msg/UpdateParams request type.
  - `authority` string — authority is the address that controls the module (defaults to x/gov unless overwritten).
  - `params` CosmosStakingV1beta1Params — Params defines the parameters for the x/staking module.
    - `bond_denom` string — bond_denom defines the bondable coin denomination.
    - `historical_entries` integer — historical_entries is the number of historical entries to persist.
    - `max_entries` integer — max_entries is the max entries for either unbonding delegation or redelegation (per pair/trio).
    - `max_validators` integer — max_validators is the maximum number of validators.
    - `min_commission_rate` string
    - `unbonding_time` string — unbonding_time is the time duration of unbonding.

## Response `200`

A successful response.

- CosmosStakingV1beta1MsgUpdateParamsResponse — MsgUpdateParamsResponse defines the response structure for executing a MsgUpdateParams message.

## Other responses

- `default` — An unexpected error response.

## Changes

- **2025-05-26** `671fab54b729` — 1 info
  - api operation id `EvidenceMsg_UpdateParamsMixin140` removed and replaced with `EvidenceMsg_UpdateParamsMixin151`
- **2025-05-21** `3874a03b0e7b` — 1 info
  - api operation id `UpgradeMsg_UpdateParamsMixin140` removed and replaced with `EvidenceMsg_UpdateParamsMixin140`
- **2025-05-09** `8dbfaa2bebb2` — 1 info
  - api operation id `CircuitMsg_UpdateParamsMixin140` removed and replaced with `UpgradeMsg_UpdateParamsMixin140`
- **2025-04-08** `21a675703a05` — 1 info
  - api operation id `AuthMsg_UpdateParamsMixin140` removed and replaced with `CircuitMsg_UpdateParamsMixin140`
- **2025-03-27** `4f349536c8f3` — 1 info
  - api operation id `FeegrantMsg_UpdateParamsMixin139` removed and replaced with `AuthMsg_UpdateParamsMixin140`

[Full history](https://skmtc.dev/pokt-network/apis/http-api-console/changes/cosmos.staking.v1beta1.Msg/UpdateParams/post.md)

---

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