---
title: "POST /applications/{applicationId}/indices/{indexId}/datasources/{dataSourceId}/startsync"
method: POST
path: "/applications/{applicationId}/indices/{indexId}/datasources/{dataSourceId}/startsync"
---

# POST /applications/{applicationId}/indices/{indexId}/datasources/{dataSourceId}/startsync

`POST /applications/{applicationId}/indices/{indexId}/datasources/{dataSourceId}/startsync`

Starts a data source connector synchronization job. If a synchronization job is already in progress, Amazon Q Business returns a <code>ConflictException</code>.

## Path parameters

- `dataSourceId` string, required
- `applicationId` string, required
- `indexId` string, required

## Response `200`

Success

- StartDataSourceSyncJobResponse
  - `executionId` string — The identifier for a particular synchronization job.

## Other responses

- `480` — InternalServerException
- `481` — ResourceNotFoundException
- `482` — ConflictException
- `483` — ThrottlingException
- `484` — ValidationException
- `485` — AccessDeniedException
- `486` — ServiceQuotaExceededException

---

[API](https://skmtc.net/aws/apis/qbusiness.md) · [All operations](https://skmtc.net/aws/apis/qbusiness/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/qbusiness/versions/82966d6c4053/schema)