---
title: "Add or update custom CSS for a quiz"
method: POST
path: "/quizzes/custom-css"
---

# Add or update custom CSS for a quiz

`POST /quizzes/custom-css`

## Headers

- `api_key` string, required — Your API key for authentication

## Response `200`

Custom CSS updated successfully

- object
  - `success` boolean

## Other responses

- `400` — Invalid input or missing parameters

---

[API](https://skmtc.net/web2wave/apis/web2wave-api.md) · [All operations](https://skmtc.net/web2wave/apis/web2wave-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/web2wave/web2wave-api/versions/c88545119271/schema)