---
title: "Update thumbnail via upload"
method: POST
path: "/video/assets/{asset_ID}/thumbnail"
tags: ["API Endpoints"]
---

# Update thumbnail via upload

`POST /video/assets/{asset_ID}/thumbnail`

## Request

- Base URL: `https://api.gumlet.com/v1`
- URL: `https://api.gumlet.com/v1/video/assets/{asset_ID}/thumbnail`
- Auth: API key in header `Authorization`

Use any image file to use as thumbnail

## Path parameters

- `asset_ID` string, required

## Response `200`

200

## Other responses

- `400`: 400

---

[API](https://skmtc.dev/gumlet/apis/gumlet-rest-apis.md) - [All operations](https://skmtc.dev/gumlet/apis/gumlet-rest-apis/llms.txt) - [OpenAPI document](https://skmtc.dev/gumlet/apis/gumlet-rest-apis/revisions/b1f7ac2aeeec?raw)