---
title: "GroupMessageSubscribe subscribes to a group message updates (types.or it can also retrieve the history)"
method: POST
path: "/protocol/v1/GroupMessageSubscribe"
tags: ["ProtocolService"]
---

# GroupMessageSubscribe subscribes to a group message updates (types.or it can also retrieve the history)

`POST /protocol/v1/GroupMessageSubscribe`

## Request body

- TypesGroupMessageSubscribeRequest
  - `group_pk` string, byte
  - `since` string, byte
  - `until` string, byte
  - `go_backwards` boolean

## Response `200`

A successful response.(streaming responses)

- object
  - `result` TypesGroupMessageEvent
    - `event_context` TypesEventContext
      - `id` string, byte
      - `parent_ids` string[]
      - `group_pk` string, byte
    - `headers` TypesMessageHeaders
      - `counter` string, uint64
      - `device_pk` string, byte
      - `sig` string, byte
      - `metadata` object
    - `message` string, byte
  - `error` RuntimeStreamError
    - `grpc_code` integer
    - `http_code` integer
    - `message` string
    - `http_status` string
    - `details` ProtobufAny[]
      - `type_url` string
      - `value` string, byte

## Other responses

- `default` — An unexpected error response

---

[API](https://skmtc.net/bump-sh-examples/apis/bertyprotocol-proto.md) · [All operations](https://skmtc.net/bump-sh-examples/apis/bertyprotocol-proto/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/bump-sh-examples/bertyprotocol-proto/versions/45fdd5adbf46/schema)