---
title: "Create a new domain for federated SSO."
method: POST
path: "/subscriptions/{subscriptionId}/sso-domains"
tags: ["Domains"]
---

# Create a new domain for federated SSO.

`POST /subscriptions/{subscriptionId}/sso-domains`

## Request

- Base URL: `https://api.acquia.com/v3`
- URL: `https://api.acquia.com/v3/subscriptions/{subscriptionId}/sso-domains`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/acquia/apis/acquia-cloud-platform-api/docs/subscriptions/:subscriptionId/sso-domains/post.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `subscriptionId` string, required

## Request body

- object
  - `domain` string, required: The domain name to create (e.g., "acme.com").

## Response `202`

Domain creation accepted. The domain is being added to your subscription. To complete verification, add the provided DNS TXT record and call the verify action.

- object
  - `_links` object, required: HAL links for the resource
    - `self` FederatedAuthenticationAPIHalLink, required: HAL link object
      - `href` union, required: The target URI of the link (can be a URI or URI template)
        - string, uri
        - string, uri-template
      - `templated` boolean: Whether the link is a URI template
      - `type` string: Hint about the media type expected when dereferencing the target resource
      - `deprecation` string: A URL to a resource that provides deprecation information
      - `name` string: A secondary key for selecting links
      - `profile` string: A URI that hints about the profile of the target resource
      - `title` string: A human-readable identifier for the link
      - `hreflang` string: The language of the target resource
  - `_embedded` object: Embedded resources (optional)
  - `message` 'Domain creation has been accepted.', required: The message content

## Other responses

- `400`: Validation Error
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `409`: Conflict
- `500`: Internal Server Error

---

[API](https://skmtc.dev/acquia/apis/acquia-cloud-platform-api.md) - [All operations](https://skmtc.dev/acquia/apis/acquia-cloud-platform-api/llms.txt) - [OpenAPI document](https://skmtc.dev/acquia/apis/acquia-cloud-platform-api/revisions/508f8f94456d?raw)