On Socrata Open Data API's Privacy Page you can request and collect all the privacy and GDPR related information that Socrata Open Data API is providing.
The privacy policy by is a legal document or statement that discloses how Socrata Open Data API gathers, uses, discloses, and manges their customers' data.
The basis for Socrata sharing, adding, uploading, hosting, accessing or sending personal data out of Europe. Vendors can also add a description of their own impact assessment for data transfers.