Watson natural language understanding

gistfile1.txt

# https://www.ibm.com/watson/developercloud/natural-language-understanding/api/v1/

require 'net/http'
require 'uri'
require 'json'
require 'pp'

uri = URI.parse("https://gateway.watsonplatform.net/natural-language-understanding/api/v1/analyze?version=2017-02-27")
request = Net::HTTP::Post.new(uri)
request.basic_auth(user_id, password)
request.content_type = "application/json"
request.body = {
  "text": "IBM is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.",
  "features": {
    "entities": {
      "emotion": true,
      "sentiment": true,
      "limit": 10
    },
    "keywords": {
      "emotion": true,
      "sentiment": true,
      "limit": 10
    }
  }
}.to_json

req_options = {
  use_ssl: uri.scheme == "https",
}

response = Net::HTTP.start(uri.hostname, uri.port, req_options) do |http|
  http.request(request)
end

response.code
pp JSON.parse(response.body);nil