---
title: "Get ZK ISM state update history"
method: GET
path: "/hyperlane/zkism/{id}/updates"
tags: ["hyperlane"]
---

# Get ZK ISM state update history

`GET /hyperlane/zkism/{id}/updates`

Returns the history of state updates for a given ZK ISM. Each update corresponds to a
MsgUpdateInterchainSecurityModule transaction that advanced the trusted state of the ISM
via a Groth16 state-transition ZK proof. Results can be filtered by signer address,
transaction hash, or time range.

## Path parameters

- `id` integer, required

## Query parameters

- `limit` integer
- `offset` integer
- `sort` 'asc' | 'desc'
- `tx_hash` string
- `address` string
- `from` integer
- `to` integer

## Response `200`

OK

- ResponsesZkISMUpdate[]
  - `height` integer
  - `id` integer
  - `new_state` string, binary
  - `signer` ResponsesShortAddress
    - `celestials` ResponsesCelestial — Linked celestial id
      - `image_url` string
      - `name` string
      - `primary` boolean
      - `status` string
    - `hash` string
  - `time` string, date-time
  - `tx_hash` string, binary

## Other responses

- `204` — No Content
- `400` — Bad Request
- `500` — Internal Server Error

## Changes

- **2026-02-23** `28f819c142ae` — 1 info
  - endpoint added
- **2024-10-13** `2ec1cffe67d5` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/celenium-io/apis/celenium-api/changes/hyperlane/zkism/:id/updates/get.md)

---

[API](https://skmtc.dev/celenium-io/apis/celenium-api.md) · [All operations](https://skmtc.dev/celenium-io/apis/celenium-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/celenium-io/celenium-api/revisions/117307f84924/schema)