{
  "$schema": "../rpc-schema-draft.json",
  "type": "object",
  "additionalProperties": false,
  "rpc": "sendonionmessage",
  "title": "low-level command to send an onion message",
  "warning": "experimental-onion-messages only",
  "description": [
    "The **sendonionmessage** RPC command can be used to send a message via the lightning network. These are currently used by *offers* to request and receive invoices."
  ],
  "request": {
    "required": [
      "first_id",
      "blinding",
      "hops"
    ],
    "properties": {
      "first_id": {
        "type": "pubkey",
        "description": [
          "The (presumably well-known) public key of the start of the path."
        ]
      },
      "blinding": {
        "type": "pubkey",
        "description": [
          "Blinding factor for this path."
        ]
      },
      "hops": {
        "type": "array",
        "description": [
          "",
          ""
        ],
        "items": {
          "type": "object",
          "additionalProperties": false,
          "required": [
            "node",
            "tlv"
          ],
          "properties": {
            "node": {
              "type": "pubkey",
              "description": [
                "Public key of the node."
              ]
            },
            "tlv": {
              "type": "u8",
              "description": [
                "Contains a hexadecimal TLV to include."
              ]
            }
          }
        }
      }
    }
  },
  "response": {
    "required": [],
    "properties": {}
  },
  "author": [
    "Rusty Russell <<rusty@rustcorp.com.au>> is mainly responsible."
  ],
  "see_also": [
    "lightning-fetchinvoice(7)",
    "lightning-offer(7)"
  ],
  "resources": [
    "Main web site: <https://github.com/ElementsProject/lightning>",
    "",
    "[bolt04]: https://github.com/lightning/bolts/blob/master/04-onion-routing.md"
  ]
}