ConnectWise CPQ (Sell/Quosal) API fundamentals: three-part Basic auth built from an access key plus an API key pair, the versioned content type, the flat 25-tool `cpq_*` surface, Manage-style `conditions` filtering, `includeFields` trimming of the 200+ property views, page/pageSize paging over bare
ConnectWise CPQ (Sell/Quosal) API fundamentals: three-part Basic auth built from an access key plus an API key pair, the versioned content type, the flat 25-tool `cpq_*` surface, Manage-style `conditions` filtering, `includeFields` trimming of the 200+ property views, page/pageSize paging over bare arrays, RFC 6902 JSON Patch updates, and the endpoints CPQ deliberately does not expose.