---
title: "Check known upload hashes."
method: POST
path: "/v1/uploads/known"
---

# Check known upload hashes.

`POST /v1/uploads/known`

## Request

- Base URL: `https://api.cortexplus.io`
- URL: `https://api.cortexplus.io/v1/uploads/known`
- Auth: HTTP bearer

Return which hashes the user already stored, with their nodeId, so the client can skip re-uploading. Requires the cortex.write scope.

## Request body

- object
  - `hashes` string[], required

## Response `200`

Successful response.

- object
  - `known` object[], required
    - `sha256` string, required
    - `nodeId` string, required

## Other responses

- `default`: Request failed.

---

[API](https://skmtc.dev/cortexplus/apis/cortexplus-rest-api.md) · [All operations](https://skmtc.dev/cortexplus/apis/cortexplus-rest-api/llms.txt) · [OpenAPI document](https://skmtc.dev/cortexplus/apis/cortexplus-rest-api/revisions/2d04f1593663?raw)