Getting started with Ruby

require 'net/http'
require 'json'
​
API_KEY = "qfNfdijpFhbhPhA7j2ZxvtEGkfv8DftTtmTEbnWN"
API_ENDPOINT = "https://api.craft.co/v1/query"
GRAPHQL_QUERY = "query getCompany($domain: String!) { company(domain: $domain) { locations { city, country } } }"
​
request_headers= { "Content-Type": "application/json", "x-craft-api-key": API_KEY }
request_data = {
    "query": GRAPHQL_QUERY,
    "variables": { "domain": "facebook.com" }
}
​
response = Net::HTTP.post(URI(API_ENDPOINT), request_data.to_json, request_headers)
puts response.body

{
  "data": {
    "company": {
      "locations": [
        {
          "city": "Tokyo",
          "country": "JP"
        },
        {
          "city": "Ottawa",
          "country": "CA"
        },
        {
          "city": "Jakarta",
          "country": "ID"
        },
       ... 
      ]
    }
  }
}