ShapeUse for
POST /api/{kind}/<slug>/runAnything that can POST JSON.
POST /api/{kind}/<slug>/openai/chat/completionsVAPI Custom LLM, Retell Custom LLM, OpenAI SDK base_url.
POST /api/{kind}/<slug>/webhook/closebotClosebot custom tool.
POST /api/{kind}/<slug>/webhook/vapiVAPI tool call.
POST /api/{kind}/<slug>/webhook/retellRetell custom function.
POST /api/{kind}/<slug>/webhook/customAnything else — auto-detects input field.
POST /api/{kind}/<slug>/mcpStreamable HTTP MCP — Claude Desktop, Cursor, VAPI MCP.

{kind} = agent or team. GHL webhooks are team-only as of May 2026.