POST image

watermark

1 credit

Add a text watermark to an image with configurable position, opacity, font size, and color.

Endpoint

POST /api/v1/tools/image/watermark

Body Parameters

text string required

color string optional default: "white"

format string optional default: "PNG"

opacity integer optional default: 128

position string optional default: "bottom-right"

Options: center top-left top-right bottom-left bottom-right

font_size integer optional default: 24

image_base64 string required

Example

input Request

{
    "text": "Sample",
    "image_base64": "iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAYAAABytg0kAAAAFElEQVR4nGP8z8Dwn4GBgYGJAQoAHxcCAk+Uzr4AAAAASUVORK5CYII="
}

output Response

{
    "width": 2,
    "format": "PNG",
    "height": 2,
    "image_base64": "..."
}

Response Format

HTTP/1.1 200 OK SUCCESS

{
  "success": true,
  "data": {
    "width": 2,
    "format": "PNG",
    "height": 2,
    "image_base64": "..."
},
  "meta": {
    "tool": "watermark",
    "credits_consumed": 1
  }
}

HTTP/1.1 422 Unprocessable Entity ERROR

{
  "success": false,
  "data": null,
  "error": {
    "code": "validation_error",
    "message": "The given data was invalid."
  }
}

Code Examples

Request Example

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Credits are deducted before execution. If the upstream tool fails, credits are automatically refunded to your account.