---
title: "Start Task"
method: POST
path: "/start-task"
tags: ["Tasks"]
---

# Start Task

`POST /start-task`

Initiates a new image upscaling task with specified parameters.
Supports both direct file upload and processing of previously uploaded files.

## Response `200`

Task started successfully

- object
  - `status` 'success', required
  - `data` object, required
    - `taskId` string, uuid, required
    - `message` string, required

## Other responses

- `400` — Invalid request parameters
- `401` — Authentication failed or API key missing
- `402` — Insufficient credits
- `429` — Rate limit exceeded
- `500` — Internal server error occurred

## Changes

- **2025-02-01** `3a2f19f6a906` — 3 breaking, 1 warning, 12 info
  - removed the enum value `anime` of the request property `model`
  - removed the enum value `digital-art` of the request property `model`
  - removed the enum value `photo-realistic` of the request property `model`
  - removed the request property `compression`
  - …12 more
- **2025-01-14** `5c6242cc0763` — 12 breaking, 5 warning, 23 info
  - request body became required
  - request property `files/items/fileType` was restricted to a list of enum values
  - request property `model` was restricted to a list of enum values
  - request property `scale` was restricted to a list of enum values
  - …36 more
- **2024-10-22** `77e0fca87b92` — 1 info
  - endpoint added
- **2024-10-22** `fa796ac65c29` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/upscayl/apis/upscayl-cloud-api/changes/start-task/post.md)

---

[API](https://skmtc.dev/upscayl/apis/upscayl-cloud-api.md) · [All operations](https://skmtc.dev/upscayl/apis/upscayl-cloud-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/upscayl/upscayl-cloud-api/revisions/2320ccb2ffed/schema)