API
Retrieve a file
One file, by id.
GET/files/{id}
Runs the real call on your workspace.
GET /files/{id}
One file, by id.
Example
Needs files:read.
curl "$OE/files/file_6bb640f5b99e47deb758f1f5" -H "$AUTH"{ "object": "file", "id": "file_6bb640f5b99e47deb758f1f5", "filename": "invoice-0912.pdf", "mimeType": "application/pdf", "sizeBytes": 184233, "direction": "inbound", "threadId": "thread_2f9b…", "messageId": "<CAF7x…@mail.gmail.com>", "deliveredTo": "billing@acme.com", "usage": "received", "deletable": false, "createdAt": "2026-09-12T08:41:03.000Z"}A deleted file, one outside the addresses a narrowed key holds, and an unknown id all answer 404.
Google Workspace
Fastmail