---
title: "POST /applications/{applicationId}/start"
method: POST
path: "/applications/{applicationId}/start"
---

# POST /applications/{applicationId}/start

`POST /applications/{applicationId}/start`

Starts a specified application and initializes initial capacity if configured.

## Path parameters

- `applicationId` string, required

## Response `200`

Success

- StartApplicationResponse

## Other responses

- `480` — ValidationException
- `481` — InternalServerException
- `482` — ResourceNotFoundException
- `483` — ServiceQuotaExceededException

---

[API](https://skmtc.net/aws/apis/emr-serverless.md) · [All operations](https://skmtc.net/aws/apis/emr-serverless/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/emr-serverless/versions/d7a4ce0af1b7/schema)