In order to integrate with a Courier via the Citrus-Lime Courier Integration Module, the support team required certain details from you, depending on the courier you will be using. 

DHL Express

DHL account number

DPD Local (Interlink)

Account ID
Username
Password
(Must be able to log in here: https://www.dpdlocal-online.co.uk/auth/signin) 

DPD UK

Account ID
Username
Password
(Must be able to log in here: https://www.dpd.co.uk/umslogon/public/logon.do) 

DX (this must be a freight account)

AccountID
Depot Number
Password

FedEx UK

Account Number
Address and Postcode associated with the Account

Parcelforce

expressLink Username*
expressLink Password*
Contract Number
(* these details must be obtained from Parcelforce and will be sent to you via email)

Royal Mail (this must be an Online Business Account)

Company Name (as registered with Royal Mail)
Main Shipping Address
Account Number
Posting Location (this is a 10 digit number starting with 90)
OBA email address and password 
Account holder name, email address and phone number
(must be able to log in here with the OBA credentials: https://www.oba.royalmail.com/continuity/logon.jsp) 

UPS

Account Number
Latest Invoice Number
Invoice Date
Invoice Amount
Address on Invoice

TNT 

Account ID
Username
Password

Yodel

Account ID
Username
Password
(these credentials should be requested from your Yodel Account Manager)