---
title: "ChannelCloseInit defines a rpc handler method for MsgChannelCloseInit."
method: POST
path: "/ibc.core.channel.v1.Msg/ChannelCloseInit"
tags: ["Msg"]
---

# ChannelCloseInit defines a rpc handler method for MsgChannelCloseInit.

`POST /ibc.core.channel.v1.Msg/ChannelCloseInit`

## Request body

- object — MsgChannelCloseInit defines a msg sent by a Relayer to Chain A to close a channel with Chain B.
  - `port_id` string
  - `channel_id` string
  - `signer` string

## Response `200`

A successful response.

## Other responses

- `default` — An unexpected error response.

## Changes

- **2024-07-11** `ca7e84576c8e` — 1 info
  - endpoint added
- **2024-05-15** `41fb8b09e244` — 1 breaking
  - api path removed without deprecation
- **2024-02-23** `54713b4a9d25` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/pokt-network/apis/http-api-console/changes/ibc.core.channel.v1.Msg/ChannelCloseInit/post.md)

---

[API](https://skmtc.dev/pokt-network/apis/http-api-console.md) · [All operations](https://skmtc.dev/pokt-network/apis/http-api-console/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/pokt-network/http-api-console/revisions/ca7e84576c8e/schema)