Here is a little guide to retrieve your API key for Your Mailing List Provider.
Step 1: Sign in to your account
Reach www.ymlp.com and click on « Connection » on the top-right corner. Then enter your credentials.
Step 2: Go to Configuration (Settings) > API
Step 3: Enable the access to the API
Check the « Enable the API access » box and click on « Save ».
Step 4: Retrieve your API key
On the top of the page, you can notice a box containing your API key.
You’re done 🙂