---
title: "Remove all samples by category"
method: POST
path: "/api/{projectId}/raw-data/delete-all/{category}"
tags: ["Raw data"]
---

# Remove all samples by category

`POST /api/{projectId}/raw-data/delete-all/{category}`

## Request

- Base URL: `https://studio.edgeimpulse.com/v1`
- URL: `https://studio.edgeimpulse.com/v1/api/{projectId}/raw-data/delete-all/{category}`
- Auth: one of:
  - API key in header `x-api-key`
  - API key in cookie `jwt`
  - API key in header `x-jwt-token`
  - OAuth 2
    - Authorization code: `/v1/oauth/authorize`
    - Client credentials
    - Implicit: `/v1/oauth/authorize`
    - Password
    - Token URL: `/v1/oauth/token`
- TypeScript: <https://skmtc.dev/edgeimpulse/apis/edge-impulse-api/docs/api/:projectId/raw-data/delete-all/:category/post.ts> (a function with typed inputs; its response is checked against the schema)

Deletes all samples for this project over a single category. Note that this does not delete the data from cold storage.

## Path parameters

- `projectId` integer, required
- `category` 'training' | 'testing' | 'validation' | 'post-processing', required

## Response `200`

OK

- GenericApiResponse
  - `success` boolean, required: Whether the operation succeeded
  - `error` string: Optional error description (set if 'success' was false)

---

[API](https://skmtc.dev/edgeimpulse/apis/edge-impulse-api.md) - [All operations](https://skmtc.dev/edgeimpulse/apis/edge-impulse-api/llms.txt) - [OpenAPI document](https://skmtc.dev/edgeimpulse/apis/edge-impulse-api/revisions/e2a976d38427?raw)