E071: List material types
GET /api/material-types
Returns the org's material types.
Authentication
Standard tenant route. Requires Authorization: Bearer <firebase-id-token> and X-Org-Id: <org-id>. Access: Member.
Request
No pagination.
Response — 200 OK
{ "data": [ MaterialType ] }
Errors
Standard envelope only.
Workflow
Calls W071 List material types.