---
title: "RegisterInterchainAccount defines a rpc handler for MsgRegisterInterchainAccount."
method: POST
path: "/ibc.applications.interchain_accounts.controller.v1.Msg/RegisterInterchainAccount"
tags: ["Msg"]
---

# RegisterInterchainAccount defines a rpc handler for MsgRegisterInterchainAccount.

`POST /ibc.applications.interchain_accounts.controller.v1.Msg/RegisterInterchainAccount`

## Request body

- IbcApplicationsInterchainAccountsControllerV1MsgRegisterInterchainAccount
  - `connection_id` string
  - `ordering` 'ORDER_NONE_UNSPECIFIED' | 'ORDER_UNORDERED' | 'ORDER_ORDERED' — - ORDER_NONE_UNSPECIFIED: zero-value for channel ordering - ORDER_UNORDERED: packets can be delivered in any order, which may differ from the order in which they were sent. - ORDER_ORDERED: packets are delivered exactly in the order which they were sent
  - `owner` string
  - `version` string

## Response `200`

A successful response.

- IbcApplicationsInterchainAccountsControllerV1MsgRegisterInterchainAccountResponse
  - `channel_id` string
  - `port_id` string

## Other responses

- `default` — An unexpected error response.

## Changes

- **2025-03-27** `4f349536c8f3` — 1 info
  - endpoint added
- **2025-02-24** `2ab9d24288c2` — 1 breaking
  - api path removed without deprecation
- **2024-08-14** `21c607e4fa20` — 1 info
  - api operation id `IbcApplicationsInterchainAccountsControllerV1Msg_RegisterInterchainAccount` removed and replaced with `FeeMsg_RegisterInterchainAccount`
- **2024-02-23** `54713b4a9d25` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/pokt-network/apis/http-api-console/changes/ibc.applications.interchain_accounts.controller.v1.Msg/RegisterInterchainAccount/post.md)

---

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