---
title: "Start registrant change"
method: POST
path: "/{account}/registrar/registrant_changes"
tags: ["registrant changes"]
---

# Start registrant change

`POST /{account}/registrar/registrant_changes`

Start registrant change.

## Path parameters

- `account` integer, required

## Request body

- object
  - `domain_id` union, required
    - string
    - integer
  - `contact_id` union, required
    - string
    - integer
  - `extended_attributes` TradeExtendedAttributes

## Response `201`

Successfully changed the contact.

- object
  - `data` RegistrantChange, required
    - `id` integer, required
    - `account_id` integer, required
    - `contact_id` integer, required
    - `domain_id` integer, required
    - `state` 'new' | 'pending' | 'cancelling' | 'cancelled' | 'completed', required
    - `extended_attributes` TradeExtendedAttributes, required
    - `registry_owner_change` boolean, required
    - `irt_lock_lifted_by` string, date, required — A date value formatted as ISO 8601.
    - `created_at` string, date-time, required — A date-time value, representing when the entry was created, formatted as ISO 8601.
    - `updated_at` string, date-time, required — A date-time value, representing when the entry was last updated, formatted as ISO 8601.

## Other responses

- `202` — The contact change has started and pending completion.
- `400` — A required parameter is missing or the request is invalid.

---

[API](https://skmtc.net/dnsimple/apis/dnsimple-api.md) · [All operations](https://skmtc.net/dnsimple/apis/dnsimple-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/dnsimple/dnsimple-api/revisions/270bb4f6f532/schema)