---
title: "Changes to Get topic message by id and sequence number"
method: GET
path: "/api/v1/topics/{topicId}/messages/{sequenceNumber}"
---

# Changes to Get topic message by id and sequence number

`GET /api/v1/topics/{topicId}/messages/{sequenceNumber}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 53 revisions.

- **2025-08-08** (v1) `db389f03b097` — 10 breaking

## Changes

- **2025-08-08** (v1) `db389f03b097` — 10 breaking
  - the response property `_status/messages/items/data` became nullable for the status `400`
  - the response property `_status/messages/items/data` became nullable for the status `404`
  - the response property `_status/messages/items/detail` became nullable for the status `400`
  - the response property `_status/messages/items/detail` became nullable for the status `404`
  - the response property `chunk_info` became nullable for the status `200`
  - the response property `chunk_info/initial_transaction_id/account_id` became nullable for the status `200`
  - the response property `chunk_info/initial_transaction_id/nonce` became nullable for the status `200`
  - the response property `chunk_info/initial_transaction_id/scheduled` became nullable for the status `200`
  - the response property `payer_account_id` became nullable for the status `200`
  - the response property `topic_id` became nullable for the status `200`

---

[Operation](https://skmtc.dev/hiero-ledger/apis/mirror-node-rest-api/docs/api/v1/topics/:topicId/messages/:sequenceNumber/get.md) · [API](https://skmtc.dev/hiero-ledger/apis/mirror-node-rest-api.md) · [Page](https://skmtc.dev/hiero-ledger/apis/mirror-node-rest-api/changes/api/v1/topics/:topicId/messages/:sequenceNumber/get)