Get all traces for a specific transaction

POST

https://eth-archive.nownodes.io/

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

The trace_transaction method returns all traces produced by a specific transaction.

This method provides the complete execution trace of a transaction, including all internal calls, delegate calls, and contract creations that occurred during the transaction execution.

Body

application/json

The trace_transaction method returns all traces produced by a specific transaction.

This method provides the complete execution trace of a transaction, including all internal calls, delegate calls, and contract creations that occurred during the transaction execution.

Request payload for Get all traces for a specific transaction.

jsonrpcstring2.0required

JSON-RPC version identifier

methodstringtrace_transactionrequired

The method to be invoked

idinteger | stringrequired

Request identifier for matching responses

paramsArray<string>required

Array containing transaction hash

Response

200OK

Successful transaction traces response

400Bad Request

Invalid request parameters

401Unauthorized

Unauthorized: API key is present but rejected by the NOWNodes gateway.

405Method Not Allowed

Method Not Allowed. Returned by the NOWNodes gateway for malformed or unsupported gateway-level requests.

422Unprocessable Entity

Missing API key. The NOWNodes gateway returns plain text for this error.

500Internal Server Error

Internal server error

Get all traces for a specific transaction

curl -X POST 'https://eth-archive.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "trace_transaction",
    "id": 1,
    "params": [
      "0x3a02f0e98ae5f67cbb64fc22ae778a4262068ec1d60d4d458adca01e8306f81a"
    ]
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://eth-archive.nownodes.io/");
const result = await provider.send("trace_transaction", [
  "0x3a02f0e98ae5f67cbb64fc22ae778a4262068ec1d60d4d458adca01e8306f81a"
]);
console.log(result);

require 'eth'
require 'json'
require 'net/http'

uri = URI('https://eth-archive.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "trace_transaction",
  "params": [
    "0x3a02f0e98ae5f67cbb64fc22ae778a4262068ec1d60d4d458adca01e8306f81a"
  ],
  "id": 1
}'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts JSON.parse(response.body)

from web3 import Web3

w3 = Web3(Web3.HTTPProvider("https://eth-archive.nownodes.io/"))
response = w3.provider.make_request("trace_transaction", [
  "0x3a02f0e98ae5f67cbb64fc22ae778a4262068ec1d60d4d458adca01e8306f81a"
])
print(response)

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://eth-archive.nownodes.io/"),
});

const result = await client.request({
  method: "trace_transaction",
  params: [
  "0x3a02f0e98ae5f67cbb64fc22ae778a4262068ec1d60d4d458adca01e8306f81a"
],
});

console.log(result);

const endpoint = "https://eth-archive.nownodes.io/";
const apiKey = "YOUR_API_KEY";

async function nownodesRequest(payload) {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "api-key": apiKey,
    },
    body: JSON.stringify(payload),
  });

  return response.json();
}

const result = await nownodesRequest({ jsonrpc: "2.0", method: "trace_transaction", params: [
  "0x3a02f0e98ae5f67cbb64fc22ae778a4262068ec1d60d4d458adca01e8306f81a"
], id: 1 });
console.log(result);

const response = await fetch('https://eth-archive.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "trace_transaction",
      "id": 1,
      "params": [
        "0x3a02f0e98ae5f67cbb64fc22ae778a4262068ec1d60d4d458adca01e8306f81a"
      ]
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "trace_transaction",
  "id": 1,
  "params": [
    "0x3a02f0e98ae5f67cbb64fc22ae778a4262068ec1d60d4d458adca01e8306f81a"
  ]
}

response = requests.post('https://eth-archive.nownodes.io/', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://eth-archive.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "jsonrpc": "2.0",
    "method": "trace_transaction",
    "id": 1,
    "params": [
      "0x3a02f0e98ae5f67cbb64fc22ae778a4262068ec1d60d4d458adca01e8306f81a"
    ]
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

Request Body

{
  "jsonrpc": "2.0",
  "method": "trace_transaction",
  "id": 1,
  "params": [
    "0x3a02f0e98ae5f67cbb64fc22ae778a4262068ec1d60d4d458adca01e8306f81a"
  ]
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "action": {
        "from": "0x0b6f2116323c12ee731de6818e41861561bcd44c",
        "callType": "call",
        "gas": "0xe41ae0",
        "input": "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...truncated",
        "to": "0xe28cac160c2a79dfa1fbd2169ac5fa5d061cf186",
        "value": "0x0"
      },
      "blockHash": "0x512f5b3b7f2c1943aa1abf30a5b4a3e600832b773168236de3f282fb635c6ffe",
      "blockNumber": 25429883,
      "result": {
        "gasUsed": "0x6d023",
        "output": "0x"
      },
      "subtraces": 1,
      "traceAddress": [],
      "transactionHash": "0x3ed0ce61d1c07b0db202321a7340f390df0f5fa698c5fcad3acf53a5b41615cd",
      "transactionPosition": 0,
      "type": "call"
    },
    {
      "action": {
        "from": "0xe28cac160c2a79dfa1fbd2169ac5fa5d061cf186",
        "callType": "delegatecall",
        "gas": "0xe06d9f",
        "input": "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...truncated",
        "to": "0x6cb28384f21b18924fa312aa2e10d4e813e66263",
        "value": "0x0"
      },
      "blockHash": "0x512f5b3b7f2c1943aa1abf30a5b4a3e600832b773168236de3f282fb635c6ffe",
      "blockNumber": 25429883,
      "result": {
        "gasUsed": "0x6b2b5",
        "output": "0x"
      },
      "subtraces": 1,
      "traceAddress": [
        0
      ],
      "transactionHash": "0x3ed0ce61d1c07b0db202321a7340f390df0f5fa698c5fcad3acf53a5b41615cd",
      "transactionPosition": 0,
      "type": "call"
    },
    {
      "action": {
        "from": "0xe28cac160c2a79dfa1fbd2169ac5fa5d061cf186",
        "callType": "call",
        "gas": "0xdcd3ee",
        "input": "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...truncated",
        "to": "0x0583ef2b6416cb7b287406438b940e4d99680c5b",
        "value": "0x0"
      },
      "blockHash": "0x512f5b3b7f2c1943aa1abf30a5b4a3e600832b773168236de3f282fb635c6ffe",
      "blockNumber": 25429883,
      "result": {
        "gasUsed": "0x69a32",
        "output": "0x"
      },
      "subtraces": 1,
      "traceAddress": [
        0,
        0
      ],
      "transactionHash": "0x3ed0ce61d1c07b0db202321a7340f390df0f5fa698c5fcad3acf53a5b41615cd",
      "transactionPosition": 0,
      "type": "call"
    }
  ]
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32602,
    "message": "Invalid params",
    "data": "odd number of digits at line 1 column 19"
  }
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32602,
    "message": "Invalid transaction hash",
    "data": "Transaction not found"
  }
}

Unknown API_key

Method Not Allowed

Missing API_key

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32000,
    "message": "Execution error",
    "data": "Tracing not supported on this node"
  }
}

Documentation

How to migrate to NOWNodes

Get all traces for a specific transaction

Authorizations

Body

Response