Programmatically remove backgrounds from input image using the PixLab BG-REMOVE API Endpoint - https://pixlab.io/endpoints/background-remove-api

remove-background-pixlab-api.rb

require 'net/http'
require 'json'
require 'base64'
require 'uri'

# Programmatically remove backgrounds from input images using the PixLab BG-REMOVE API endpoint.
#
# Refer to the official documentation at: https://pixlab.io/endpoints/background-remove-api for the API reference
# guide and more code samples.

# Use POST to upload the image directly from your local folder. If your image is publicly available
# then make a simple GET request with a link to your image.

uri = URI('https://api.pixlab.io/bgremove')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true

request = Net::HTTP::Post.new(uri.path)
form_data = {
  'key' => 'PIXLAB_API_KEY', # PixLab API Key - Get yours from https://console.pixlab.io/
  'file' => File.open('./local_image.png')
}

request.set_form(form_data, 'multipart/form-data')

response = http.request(request)
reply = JSON.parse(response.body)

if reply['status'] != 200
  puts reply['error']
else
  img_data = reply['imgData']  # Base64 encoding of the output image
  mimetype = reply['mimeType']  # MIME type (i.e image/jpeg, etc.) of the output image
  extension = reply['extension']  # File extension (e.g., 'png', 'jpeg')

  # Decode base64 and save to disk
  begin
    img_bytes = Base64.decode64(img_data)
    output_filename = "output_image.#{extension}"
    File.open(output_filename, "wb") do |f|
      f.write(img_bytes)
    end
    puts "Background Removed Image saved to: #{output_filename}"
  rescue => e
    puts "Error saving output image: #{e}"
  end
end