Edit and repaint specific areas of existing images generated by previous tasks.

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Endpoint

POST https://api.legnext.ai/api/v1/edit

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Headers

HeaderTypeRequiredDescription
x-api-keystringYesYour API key

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Request Body

ParameterTypeRequiredDescription
jobIdstringYesID of the original image generation task
imageNointegerYesImage number to edit (0/1/2/3)
canvasCanvasYesTarget canvas dimensions
imgPosCanvasImgYesImage position relative to canvas
remixPromptstringYesText prompt for the edit
maskMaskNoAreas to repaint on the original image
callbackstringNoCallback URL for task completion notifications

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Data Types

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Canvas

FieldTypeDescription
widthintegerCanvas width in pixels
heightintegerCanvas height in pixels

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CanvasImg

FieldTypeDescription
widthintegerImage width in pixels
heightintegerImage height in pixels
xintegerHorizontal offset from canvas top-left
yintegerVertical offset from canvas top-left

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Mask

FieldTypeDescription
areasPolygon[]Polygonal areas to repaint (optional)
urlstringBlack and white mask image URL (optional)

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Polygon

FieldTypeDescription
widthintegerImage width in pixels (500-4096)
heightintegerImage height in pixels (500-4096)
pointsinteger[]Polygon coordinates in XYXY format, clockwise from top-left

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Example Request

curl -X POST "https://api.legnext.ai/api/v1/edit" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "jobId": "c6821434-5e41-408f-b42b-2562306b109c",
    "imageNo": 1,
    "canvas": {
        "width": 1024,
        "height": 1024
    },
    "imgPos": {
        "width": 512,
        "height": 512,
        "x": 256,
        "y": 256
    },
    "remixPrompt": "A beautiful landscape with mountains"
  }'

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Response

Returns a task object containing the task information.