Go to Royal Mail Click & Drop site, click on Settings on the top right, and click on Integrations:
Click on Add new integration:
Click on the Click & Drop API:
Name your API integration the way you prefer and click on Save:
Your integration has been added. Click on it to view the details:
Copy the Click & Drop API key:
Go to Multiorders, open the Integrations page, and under Add new integration click on Royal Mail Click & Drop:
The integration form will open up where you have to paste in your API key which you copied from the Royal Mail Click & Drop page and select services you will be using.
NOTE: C&D and business OBA accounts use different shipping services -choose them according to the type of account you have:
Click on Connect.
That's it - your integration has been connected and you can start shipping orders. Follow this article to get started: How to ship orders with Royal Mail Click & Drop