# Real-ESRGAN

> The classic image upscaler (94M+ runs). Real-ESRGAN super-resolution up to 10x with optional GFPGAN face enhancement.

- **Provider**: replicate
- **Model ID**: nightmareai/real-esrgan
- **Category**: image_upscale_restore
- **Credits**: 5 per request
- **Pricing Type**: fixed

## API Endpoint

Base URL: https://api.core.today/v1

### Create Prediction
POST /predictions

### Get Status
GET /predictions/{job_id}

### Cancel
DELETE /predictions/{job_id}

## Authentication

Header: `X-API-Key: YOUR_API_KEY`

## Input Parameters

- `image` (string, **required**): Input image
- `scale` (number, optional): Factor to scale image by (Default: `4`; Range: min: 0, max: 10)
- `face_enhance` (boolean, optional): Run GFPGAN face enhancement along with upscaling (Default: `False`)

## Example Request

```json
{
  "model": "nightmareai/real-esrgan",
  "input": {
    "image": "https://replicate.delivery/pbxt/Ing7Fa4YMk6YtcoG1YZnaK3UwbgDB5guRc5M2dEjV6ODNLMl/cat.jpg",
    "scale": 2,
    "face_enhance": false
  }
}
```

## Response Format

```json
{
  "job_id": "abc123",
  "status": "pending",
  "provider": "replicate",
  "model": "black-forest-labs/flux-schnell",
  "created_at": "2026-01-01T00:00:00Z",
  "result": null,
  "error": null
}
```

Status values: `pending`, `processing`, `completed`, `failed`, `cancelled`

## Usage Flow

1. POST /predictions with model and input → receive job_id
2. Poll GET /predictions/{job_id} until status is `completed` or `failed`
3. Result contains output URL(s) or data

## Output Type

url

## Tags

upscaling, super-resolution, real-esrgan, face-enhancement, restoration

## Documentation

https://replicate.com/nightmareai/real-esrgan