What problem does it solve? Working with the HTM Portal API requires knowing the exact paths, methods, query parameters, and request bodies across 124 endpoints. This Skill provides a complete, structured API reference so you can construct correct requests for client management, campaign analytics, tasks, meetings, mailbox health, AI analysis, documents, and dashboard KPIs without guessing. ## Core Features & Use Cases - Full Endpoint Catalog: Covers v1 Clients API (Bearer htm_... auth), tasks, meetings, campaigns, mailbox health, EmailGuard, AI routes, communications, documents, knowledge base, dashboard, settings, and Fathom integrations. - Request Details: Documents query parameters, request bodies, auth methods (Supabase session vs Bearer token), rate limits, cache TTLs, and SSE streaming endpoints. - Use Case: You need to pull a client's campaign analytics and create follow-up tasks. Look up /api/campaigns/analytics for the required clientName/platform parameters, then use POST /api/tasks with the correct batch body format. ## Quick Start Ask the AI to show you the endpoint and request format for listing all clients with fuzzy search using the HTM Portal API.