---
title: "POST /crossaccountauthorizations"
method: POST
path: "/crossaccountauthorizations"
---

# POST /crossaccountauthorizations

`POST /crossaccountauthorizations`

Creates a cross-account readiness authorization. This lets you authorize another account to work with Route 53 Application Recovery Controller, for example, to check the readiness status of resources in a separate account.

## Request body

- object
  - `crossAccountAuthorization` string, required — CrossAccountAuthorization

## Response `200`

Success

- CreateCrossAccountAuthorizationResponse
  - `CrossAccountAuthorization` string — The cross-account authorization.

## Other responses

- `480` — ThrottlingException
- `481` — ValidationException
- `482` — InternalServerException
- `483` — ConflictException
- `484` — AccessDeniedException

---

[API](https://skmtc.net/aws/apis/route53-recovery-readiness.md) · [All operations](https://skmtc.net/aws/apis/route53-recovery-readiness/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/route53-recovery-readiness/versions/02a096935a32/schema)