---
title: "Validate export storage"
method: POST
path: "/api/storages/export/s3/validate"
tags: ["Storage: S3"]
---

# Validate export storage

`POST /api/storages/export/s3/validate`

Validate a specific S3 export storage connection.

## Request body

- S3ExportStorageValidateRequest
  - `aws_access_key_id` string, nullable — AWS_ACCESS_KEY_ID
  - `aws_secret_access_key` string, nullable — AWS_SECRET_ACCESS_KEY
  - `aws_session_token` string, nullable — AWS_SESSION_TOKEN
  - `aws_sse_kms_key_id` string, nullable — AWS SSE KMS Key ID
  - `bucket` string, nullable — S3 bucket name
  - `can_delete_objects` boolean, nullable — Deletion from storage enabled
  - `description` string, nullable — Cloud storage description
  - `id` integer — Storage ID. If set, storage with specified ID will be updated
  - `prefix` string, nullable — S3 bucket prefix
  - `project` integer, required — A unique integer value identifying this project.
  - `regex_filter` string, nullable — Cloud storage regex for filtering objects
  - `region_name` string, nullable — AWS Region
  - `s3_endpoint` string, nullable — S3 Endpoint
  - `synchronizable` boolean
  - `title` string, nullable — Cloud storage title
  - `use_blob_urls` boolean — Interpret objects as BLOBs and generate URLs

## Response `200`

Validation successful

---

[API](https://skmtc.net/humansignal/apis/label-studio-api.md) · [All operations](https://skmtc.net/humansignal/apis/label-studio-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/humansignal/label-studio-api/revisions/89caa2dca86f/schema)