Known differences

Gmail

Gmail API v1 plus 128 simulated Workspace Directory, 6 Reports, and 24 People methods, exposed through REST, discovery, and MCP.

Vendor reference: https://developers.google.com/workspace ↗. Machine-readable: compat/gmail.json.

Surfaces

KindPathNotes
REST/gmail/v1Gmail API v1
REST/admin/directory/v1Workspace Admin SDK Directory API v1
REST/admin/reports/v1Workspace Admin SDK Reports API v1
REST/v1People API v1
MCP/mcpGmail mailbox and Workspace directory and contacts tools

API versions: Gmail v1, Admin Directory v1, Admin Reports v1, People v1

Supported

Not supported

Known differences and test guidance

ScenarioDifference from GmailIn your tests
Reports activitiesAudit events are deterministic synthetic records derived from the company graph and simulator writes.Assert on supported event shapes and ordering, not on a real Workspace audit log.
OAuth scope enforcementScope checks apply to signed mock-IdP tokens; open mode accepts opaque bearer tokens without scope claims.Use a signed token with the requested Google scopes to test permission refusals.

Fault injection

KeyWhat the client sees
throttleGoogle-shaped 429 rate-limit response for supported Gmail routes.

Applies to every system