add multiple people on Trello

gistfile1.rb

emails = %w(
...
)

require 'rest_client'

ORG = 'YOUR_ORG_SHORTNAME'
KEY = 'YOUR_KEY'
# visit this URL w/ your key replaced to get a token
# https://trello.com/1/authorize?key=KEY&expiration=1day&response_type=token&scope=read,write
TOKEN = 'YOUR_TOKEN'


emails.each do |email|
  print "Adding #{email}..."

  begin
    # change the `type` if you don't want everyone to be an admin, but know that it will overwrite existing roles (including yourself)
    # https://trello.com/docs/api/organization/index.html#put-1-organizations-idorg-or-name-members
    RestClient.put("https://api.trello.com/1/organizations/#{ORG}/members?key=#{KEY}&token=#{TOKEN}", email: email,  type: 'admin')
  rescue RestClient::Unauthorized => e
    puts e.response
  rescue RestClient::Forbidden => e
    puts e.response
  else
    puts "done"
  end
end