---
title: "Create Classes"
method: POST
path: "/v1/projects/{project_id}/classes"
tags: ["Classes"]
---

# Create Classes

`POST /v1/projects/{project_id}/classes`

## Path parameters

- `project_id` integer, required

## Query parameters

- `timeout` integer, nullable

## Headers

- `apikey` string, nullable

## Request body

- object

## Response `201`

Successful Response

- DefectClassResponse
  - `data` LabelClass[], nullable, required
    - `id` integer, required
    - `name` string, required
    - `index` integer, required
    - `color` string, nullable, required
    - `description` string, nullable, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/landing-ai/apis/landinglens-api.md) · [All operations](https://skmtc.net/landing-ai/apis/landinglens-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/landing-ai/landinglens-api/versions/73e50adb1306/schema)