Platform
Catalog/Upscale/Real-ESRGAN
IMAGE → IMAGE · Tencent ARC

Real-ESRGAN

2× or 4× upscaling, with optional face restoration.
PRICE0.01 creditsper image
AVG TIME~5.0sestimate
OUTPUTimagesync
Open in playground

Inputs

imagerequired · Image — artifact id or https URL
params.scale2 | 4 · default 4
params.face_enhanceboolean · default false
Monthly estimate
1,000 × 0.01 credits10.00 credits
curl https://platform.4i.app/api/v1/run \
  -H "Authorization: Bearer $FOURI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "service": "nightmareai/real-esrgan",
    "input": {
      "image": "img_… or https://…"
    },
    "params": {
      "scale": "4",
      "face_enhance": false
    }
  }'
Every output has an artifact_id. Pass it as input to any compatible service.
Get your API key →