AILabTools API - Merge Portraits - API


  • URL:
  • Method: POST
  • Content-Type: multipart/form-data

Image requirements

Field Requirements
  • Image format: JPEG JPG BMP PNG
  • Image size: No more than 4 MB.
  • Image resolution: Larger than 50x50px, smaller than 2048x2048px.
  • Face pixel size: To ensure the fusion effect, it is recommended that the minimum value of the side length of the face box (square) in the image is not less than 200px.
  • Face quality: The higher the face quality, the better the fusion effect.
  • Factors affecting face quality include: occlusion of the five facial features, improper lighting (bright light, dark light, backlighting), excessive face angle (recommended yaw ≤ ±20°, pitch ≤ ±20°), etc.
  • Black and white images are not supported.
  • image_template
  • Image format: JPG JPEG
  • Image size: No more than 4 MB.
  • Image resolution: Larger than 200x200px, smaller than 1280x1280px.
  • Note that for special face materials, such as cartoon style images with large eyes, the original key point results will be deviated, and should be made accurate by dragging the position in the configuration tool. Most normal images are already very accurate and do not need to be adjusted.
  • The pixel area of the face in the image should not be too small (at least 200x200px, too small to change the face will not be clear), nor too large (the pixel size of the face area and speed is positively correlated, too large will affect the server speed and increase costs).
  • Pay attention to the quality of the material, make sure the face is clear enough, there should be no noise caused by compression, otherwise it will reduce the quality of the face replacement result.
  • For better results, the face of the material should be as positive as possible, with the highest yaw angle required (within plus or minus 10 degrees recommended), followed by the pitch angle (within plus or minus 20 degrees recommended), and the roll angle (within plus or minus 30 degrees).
  • Field Required Type Description
    ailabapi-api-key YES string Application API KEY.


    Field Required Type Description
    image_target YES file Target image.
    image_template YES file Template images.



    Field Type Description
    error_code integer Status Code.
    error_code_str string Error Code.
    error_msg string Error Message.
    request_id string Request ID.
    log_id string Log ID.
    data object The content of the result data returned.
    +image string The result image, returning the Base64 encoding of the image.


      "error_code": 0,
      "error_code_str": "",
      "error_msg": "",
      "request_id": "",
      "log_id": "",
      "data": {
        "image": ""

    Code example

    Copyright © 2023 AILabTools all right reservedFile Modify: 2023-06-13

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