QuickBooks Online
sandbox-quickbooks.api.intuit.com
base URLeither host
Desktop via TenkeyBridge
api.tenkeybridge.com
GET/v3/company/{realm}/companyinfo/

The simplest possible call. On the Desktop side the data comes live from the company file via the agent; note Id equals the realm ID on both.

QuickBooks Online Intuit sandbox

· — ms
Waiting.

QuickBooks Desktop via TenkeyBridge

· — ms
Waiting — Desktop round-trips take a few seconds.
real difference expected to differ (ids, tokens, times)