List authenticated connected businesses
Identity
List authenticated connected businesses
Returns only the token-level connected business collection from GET /v3/me. Revoked or inactive OAuth installations are omitted. If no active connected business remains, the endpoint returns 403. OAuth clients use each business unique_id as b_uid on direct Nexus business-scoped routes or as business_unique_id in MCP tools when the token covers multiple businesses.
GET
List authenticated connected businesses

