eSlip™ Invoicing Distributor API
API Commands: /update_channel /login_user /change_status /create_account /update_plan /list_accounts
/create_account (GET)
channel*
password*
company_id*
user_id*
email*
subdomain* (will be used in the url e.g. yourcompany.eslip.com)
company_name
user_name
user_password
country (two-letter ISO 3166 code, e.g. 'us' for USA or 'fr' for France)
delete_user Set this flag to true to delete the user

If success: { "company_id": "1201", "return_url": "https:\/\/doecompany.eslip.com/session?cookie=johndoecom~31+MF9vuBGgi0tWkuZBmyO", "success": true, "user_id": "1325" }
If failure: { "message": "Channel does not exist, or password is incorrect.", "success": false }