In order to get access to the data send an e-mail to the address mentioned above. Tell them you are interested in using the data and they will send you the ‘Altmetric Data Researcher Access Application Form’. After filling this out, you will get access to the data within a couple days. You could also look on their page and download the request form, I think this is the correct one, see below:

via Francesco Lelli at the following url:

https://ift.tt/3vvYnNG

This is a small description of the picture: In order to get access to the data send an e-mail to the address mentioned above. Tell them you are interested in using the data and they will send you the ‘Altmetric Data Researcher Access Application Form’. After filling this out, you will get access to the data within a couple days. You could also look on their page and download the request form, I think this is the correct one, see below: