Who am I

GET /me returns the account, plan, granted scopes, and whether the key is in live or test mode. Use it to confirm a key works. plan is free or paid. To know whether replies carry the draw.io XML, check xml_withheld on the reply itself, or look for all_export_formats in GET /meta/features.
Response
A 401 here means the key is missing, malformed, expired, or revoked. See Authentication.