Endpoint

MCP

JSON-RPC 2.0 over POST /api/v1/mcp. Single objects or non-empty arrays. Arrays are capped at the smaller of 20 and your plan's batch_limit, and billed per item.

POST /api/v1/mcp

tools/list

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/list"
}

Methods: initialize, tools/list, tools/call, ping, notifications/initialized.
Notifications (no id) return HTTP 204.
Empty or oversized batches return JSON-RPC -32600 without spending quota. Valid batches reserve their full per-minute, daily, and monthly cost before execute.