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POST
/
api
/
cutout
/
general
/
universal-background-removal
Universal Background Removal
curl --request POST \
  --url https://www.ailabapi.com/api/cutout/general/universal-background-removal \
  --header 'Content-Type: multipart/form-data' \
  --header 'ailabapi-api-key: <api-key>' \
  --form image='@example-file' \
  --form 'return_form=<string>'
{
  "request_id": "",
  "log_id": "",
  "error_code": 0,
  "error_code_str": "",
  "error_msg": "",
  "error_detail": {
    "status_code": 200,
    "code": "",
    "code_message": "",
    "message": ""
  },
  "data": {
    "image_url": ""
  }
}

Documentation Index

Fetch the complete documentation index at: https://ailabtools.mintlify.app/llms.txt

Use this file to discover all available pages before exploring further.

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Request

  • URL: https://www.ailabapi.com/api/cutout/general/universal-background-removal
  • Method: POST
  • Content-Type: multipart/form-data

​
Image requirements

  • Image format: JPEG JPG BMP WEBP PNG(8-bit, 16-bit, 64-bit PNG not supported)
  • Image size: No more than 3 MB.
  • Image resolution: Greater than 32x32px, less than 2000x2000px, with the longest side equal to or less than 1999px.

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Headers

FieldRequiredTypeDescription
ailabapi-api-keyYESstringApplication API KEY. Get API KEY

​
Body

FieldRequiredTypeScopeDescription
imageYESfile
return_formNOstringmask, whiteBK, cropSpecifies the form of the returned image. If not set, the four-channel PNG map is returned. mask`: Returns a single channel mask.` whiteBK: Return to white background image. “crop: Returns the four-channel PNG image after cropping (cropping out the blank areas around the edges).

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Response

Response Field Handling Flow
  1. Handle Public Response Fields Parse and validate the Public Response Fields, checking the status code or response message to ensure the request is successful and error-free.
  2. Handle Business Response Fields If the Public Response Fields are valid and error-free, proceed with processing the business logic in the Business Response Fields.

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Public Response Fields

Viewing Public Response Fields and Error Codes

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Business Response Fields

FieldTypeDescription
dataobjectThe content of the result data returned.
+image_urlstringResulting image URL address.
The URL address is a temporary address, valid for 24 hours, and will not be accessible after it expires. If you need to save the file for a long time or permanently, please visit the URL address within 24 hours and download the file to your own storage space.

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Response Example

{
  "request_id":     "",
  "log_id":         "",
  "error_code":     0,
  "error_msg":      "",
  "error_detail":   {
    "status_code":  200,
    "code":         "",
    "code_message": "",
    "message":      ""
  },
  "data":           {
    "image_url": ""
  }
}

​
Sample Code

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Authorizations

​
ailabapi-api-key
string
header
required

API Key for authentication

Body

multipart/form-data
​
image
file
​
return_form
string

Specifies the form of the returned image.

  • If not set, the four-channel PNG map is returned.
  • mask: Returns a single channel mask.
  • whiteBK: Return to white background image.
  • crop: Returns the four-channel PNG image after cropping (cropping out the blank areas around the edges).

    • Response

    200 - application/json

    Success

    The response is of type object.