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

# POST /CreateApplication

`POST /CreateApplication`

Creates a new application. An application is the top-level organizational unit that supports IAM Identity Center integration.

## Request body

- object
  - `idcInstanceArn` string — ARN of the IAM Identity Center instance used for user authentication.
  - `roleArn` string — ARN of the IAM role that the application uses to access AWS resources on your behalf.
  - `defaultKmsKeyId` string — Identifier of a KMS key. Can be a key ID, key ARN, alias name, or alias ARN.
  - `tags` object — Map of tags for a resource.

## Response `200`

Success

- CreateApplicationResponse
  - `applicationId` string, required — The unique identifier of the created application.

---

[API](https://skmtc.net/aws/apis/securityagent.md) · [All operations](https://skmtc.net/aws/apis/securityagent/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/securityagent/versions/cad56717d636/schema)