On Particle IoT Rules Engine's Privacy Page you can request and collect all the privacy and GDPR related information that Particle IoT Rules Engine is providing.
The privacy policy by is a legal document or statement that discloses how Particle IoT Rules Engine gathers, uses, discloses, and manges their customers' data.
The basis for Particle 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.