The Zotero write API and the JSON payloads of the read API are built around JSON representations of Zotero's collections, items, notes, and attachments.

This is a work in progress will be augmented with examples and explanations

tagMode (for attachments and notes too) fieldMode (for creators) link to valid creatortype and field lists

linkMode

this.LINK_MODE_IMPORTED_FILE = 0;
this.LINK_MODE_IMPORTED_URL = 1;
this.LINK_MODE_LINKED_FILE = 2;
this.LINK_MODE_LINKED_URL = 3;