Getmempooldescendants

getmempooldescendants

post

Returns all in-mempool descendant transactions for a given transaction ID. Descendants are transactions that depend on the outputs of the specified transaction. Can return either a simple list of transaction IDs or detailed JSON objects.

Authorizations

api-keyAuth

api-keystringRequired

Body

application/json

jsonrpcstringRequiredExample: 1.0

idstringRequiredExample: getmempooldescendants

methodstring · enumRequiredPossible values:

Responses

200

Descendant transactions retrieved successfully

application/json

resultone ofOptional

If verbose is false, returns an array of descendant transaction IDs. If verbose is true, returns a JSON object mapping txid to detailed information.

string[]Optional

List of descendant txids (if verbose = false)

or

errorobject · nullableOptional

Null if successful; otherwise contains error info

idstringOptional

The ID of the request

401

Unauthorized

application/json

500

Internal Server Error

application/json

post

/

HTTPcURLJavaScriptPython

POST / HTTP/1.1
Host: btc.nownodes.io
api-key: YOUR_API_KEY
Content-Type: application/json
Accept: */*
Content-Length: 97

{
  "jsonrpc": "1.0",
  "id": "curltest",
  "method": "getmempooldescendants",
  "params": [
    "txid_example",
    true
  ]
}

{
  "result": {
    "txid1": {
      "size": 300,
      "fee": 2000,
      "modifiedfee": 2100,
      "time": 1700000100,
      "height": 855000,
      "descendantcount": 0,
      "descendantsize": 0,
      "descendantfees": 0,
      "ancestorcount": 2,
      "ancestorsize": 600,
      "ancestorfees": 4000,
      "depends": [
        "txid_example"
      ]
    },
    "txid2": "..."
  },
  "error": null,
  "id": "curltest"
}