---
title: "Changes to Create a sending domain"
method: POST
path: "/v3/sending-domains"
---

# Changes to Create a sending domain

`POST /v3/sending-domains`

> Every recorded change to this operation, newest first.
> 12 revisions in range; 1 not diffed.

## Timeline

Changed in 2 of 12 revisions.

- **2026-08-06** `ec1259c12475`: 8 breaking, 1 warning, 12 info
- **2024-07-29** `68856b660d76`: 5 breaking, 1 warning, 2 info

## Changes

- **2026-08-06** `ec1259c12475`: 8 breaking, 1 warning, 12 info
  - added the new required request property `domain`
  - the request's body type changed from no type to `object`
  - the `message` response property's minLength was decreased from `1` to `0` for the response status `400`
  - the `message` response property's minLength was decreased from `1` to `0` for the response status `401`
  - the `message` response property's minLength was decreased from `1` to `0` for the response status `403`
  - the `message` response property's minLength was decreased from `1` to `0` for the response status `409`
  - the `message` response property's minLength was decreased from `1` to `0` for the response status `429`
  - the `message` response property's minLength was decreased from `1` to `0` for the response status `500`
  - removed `#/components/schemas/SendingDomainRequestModel, subschema #2` from the request body `allOf` list
  - added the new optional request property `allowedFromEmails`
  - the response property `createdAt` became required for the status `201`
  - the response property `dkimHost` became required for the status `201`
  - the response property `dkimTextValue` became required for the status `201`
  - the response property `dkimVerified` became required for the status `201`
  - the response property `domain` became required for the status `201`
  - the response property `id` became required for the status `201`
  - the response property `returnPathDomain` became required for the status `201`
  - the response property `returnPathDomainCnameValue` became required for the status `201`
  - the response property `returnPathDomainVerified` became required for the status `201`
  - the response property `updatedAt` became required for the status `201`
  - added the required property `allowedFromEmails` to the response with the `201` status
- **2024-07-29** `68856b660d76`: 5 breaking, 1 warning, 2 info
  - request body became required
  - removed the media type `application/*+json` from the request body
  - removed the media type `text/json` from the request body
  - the `allOf[subschema #2]/` request property type changed from no type to `object`
  - removed the media type `text/json` for the response with the status `201`
  - deleted the `header` request parameter `Authorization`
  - api operation id `post/v3/sending-domains` removed and replaced with `CreateSendingDomain`
  - the endpoint scheme security `JWT` was added to the API

---

[Operation](https://skmtc.dev/cryptlex/apis/cryptlex-web-api/docs/v3/sending-domains/post.md) - [API](https://skmtc.dev/cryptlex/apis/cryptlex-web-api.md) - [Page](https://skmtc.dev/cryptlex/apis/cryptlex-web-api/changes/v3/sending-domains/post)