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Image Upscale API

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AI image upscaling — enhance image resolution up to 4x while preserving detail and sharpness.

KIEtool1 credits/call
Provider
KIE
Pricing
~$0.002 per image (1 credit)
Speed
3–10 seconds
Output
image

Quick Start

Send a request to the Image Upscale API:

bash
curl -X POST https://apiin.one/api/v1/images/tools/upscale \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "image-upscale",
  "image": "https://example.com/low-res-photo.jpg"
}'

API Endpoint

POST/api/v1/images/tools/upscale
Send a POST request with your API key to generate content using Image Upscale.

Headers

Headerタイプ必須説明
Authorizationstring必須Bearer YOUR_API_KEY
Content-Typestring必須application/json

Body Parameters

パラメータータイプ必須説明
modelstring必須Model identifier: "image-upscale"
imagestring必須URL of the image to upscale

Example Request

json
{
  "model": "image-upscale",
  "image": "https://example.com/low-res-photo.jpg"
}

Example Response

Successful task creation response.

{
  "code": 200,
  "message": "success",
  "data": {
    "task_id": "n32xxxx_upscale",
    "status": "IN_PROGRESS"
  }
}

Check Task Status

For asynchronous tasks, poll the status endpoint to check when your task is complete:

GET/api/v1/tasks/{task_id}
Returns the current status of a generation task. Poll until status is 'completed' or 'failed'.
bash
curl https://apiin.one/api/v1/tasks/task_abc123 \
  -H "Authorization: Bearer aio_your_key"

Use Cases

  • ✓Enhance low-resolution product images for e-commerce
  • ✓Upscale social media images for print quality
  • ✓Build image enhancement features into apps
  • ✓Restore and enhance vintage or compressed photos

API Tester

Test the Image Upscale API directly from your browser:

API プレイグラウンドPOST

Error Codes

{
  "error": {
    "code": 400,
    "message": "Invalid parameters",
    "type": "invalid_request"
  }
}

Frequently Asked Questions

How much does Image Upscale cost?

Each upscale costs only 1 credit (~$0.002). Extremely affordable for batch processing.

How does the upscale work?

The AI uses the Crisp Upscale model to enhance resolution while preserving fine details and sharpness.

Why Use Image Upscale Through API in One?

1Cheapest upscale API at 1 credit per image
2Detail-preserving AI algorithm
3Batch processing friendly
4Webhook support for async workflows

Ready to use Image Upscale?

Get Your API Key →