Trace transaction execution

POST

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

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns all traces of a given transaction

Body

application/json

Returns all traces of a given transaction

Request payload for Trace transaction execution.

jsonrpcstringrequired

JSON-RPC protocol version.

methodstringrequired

JSON-RPC method name.

paramsArray<string | object>required

JSON-RPC method parameters.

Show child attributes

Single JSON-RPC parameter value accepted by this method.

Any of

Single JSON-RPC parameter value accepted by this method.

string

Single JSON-RPC parameter value accepted by this method.

object

idintegerrequired

Client-provided request identifier echoed in the response.

Response

200OK

Successful trace response

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

Upstream node or gateway error.

Trace transaction execution

curl -X POST 'https://eth-archive.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "debug_traceTransaction",
    "params": [
      "0x9e63085271890a141297039b3b711913699f1ee4db1acb667ad7ce304772036b",
      {
        "tracer": "callTracer"
      }
    ],
    "id": 1
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://eth-archive.nownodes.io/");
const result = await provider.send("debug_traceTransaction", [
  "0x9e63085271890a141297039b3b711913699f1ee4db1acb667ad7ce304772036b",
  {
    "tracer": "callTracer"
  }
]);
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": "debug_traceTransaction",
  "params": [
    "0x9e63085271890a141297039b3b711913699f1ee4db1acb667ad7ce304772036b",
    {
      "tracer": "callTracer"
    }
  ],
  "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("debug_traceTransaction", [
  "0x9e63085271890a141297039b3b711913699f1ee4db1acb667ad7ce304772036b",
  {
    "tracer": "callTracer"
  }
])
print(response)

import { createPublicClient, http } from "viem";

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

const result = await client.request({
  method: "debug_traceTransaction",
  params: [
  "0x9e63085271890a141297039b3b711913699f1ee4db1acb667ad7ce304772036b",
  {
    "tracer": "callTracer"
  }
],
});

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: "debug_traceTransaction", params: [
  "0x9e63085271890a141297039b3b711913699f1ee4db1acb667ad7ce304772036b",
  {
    "tracer": "callTracer"
  }
], 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": "debug_traceTransaction",
      "params": [
        "0x9e63085271890a141297039b3b711913699f1ee4db1acb667ad7ce304772036b",
        {
          "tracer": "callTracer"
        }
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "debug_traceTransaction",
  "params": [
    "0x9e63085271890a141297039b3b711913699f1ee4db1acb667ad7ce304772036b",
    {
      "tracer": "callTracer"
    }
  ],
  "id": 1
}

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": "debug_traceTransaction",
    "params": [
      "0x9e63085271890a141297039b3b711913699f1ee4db1acb667ad7ce304772036b",
      {
        "tracer": "callTracer"
      }
    ],
    "id": 1
  }'

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": "debug_traceTransaction",
  "params": [
    "0x9e63085271890a141297039b3b711913699f1ee4db1acb667ad7ce304772036b",
    {
      "tracer": "callTracer"
    }
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "from": "0x0b6f2116323c12ee731de6818e41861561bcd44c",
    "gas": "0xe4e1c0",
    "gasUsed": "0x78c13",
    "to": "0xe28cac160c2a79dfa1fbd2169ac5fa5d061cf186",
    "input": "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...truncated",
    "calls": [
      {
        "from": "0xe28cac160c2a79dfa1fbd2169ac5fa5d061cf186",
        "gas": "0xe06d9f",
        "gasUsed": "0x6b2b5",
        "to": "0x6cb28384f21b18924fa312aa2e10d4e813e66263",
        "input": "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...truncated",
        "calls": [
          {
            "from": "0xe28cac160c2a79dfa1fbd2169ac5fa5d061cf186",
            "gas": "0xdcd3ee",
            "gasUsed": "0x69a32",
            "to": "0x0583ef2b6416cb7b287406438b940e4d99680c5b",
            "input": "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...truncated",
            "calls": [
              {
                "from": "0x0583ef2b6416cb7b287406438b940e4d99680c5b",
                "gas": "0xd9433a",
                "gasUsed": "0x67c2d",
                "to": "0x56767eb2e3197a1dfa030faad4a65cf38e807c81",
                "input": "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...truncated",
                "calls": [
                  {
                    "from": "0x0583ef2b6416cb7b287406438b940e4d99680c5b",
                    "gas": "0xd5499b",
                    "gasUsed": "0x5d20c",
                    "to": "0x5e7cf1c310f9e0bf8dbfe70d5cc8021a2109d0ae",
                    "input": "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...truncated",
                    "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
                    "calls": [
                      {
                        "from": "0x5e7cf1c310f9e0bf8dbfe70d5cc8021a2109d0ae",
                        "gas": "0xd1c11c",
                        "gasUsed": "0x59cb9",
                        "to": "0x08513a4646d1bc8c348c67a3680bb19626e7f13f",
                        "input": "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...truncated",
                        "output": "0x0000000000000000000000000000000000000000000000000000000000000001",
                        "calls": [
                          {
                            "from": "0x08513a4646d1bc8c348c67a3680bb19626e7f13f",
                            "gas": "0xce5668",
                            "gasUsed": "0x1f4",
                            "to": "0x0000000000000000000000000000000000000005",
                            "input": "0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000201674e08033af5a4287cfeb37b79ed7f674367566339be5658fc93555d6ab4b9e000000000000000000000000000000000000000000000000000000000100000030644e72e131a029b85045b68181585d2833e84879b9709143e1f593f0000001",
                            "output": "0x07ab806ae89defecdd3ad307f43f7744f4d5b5aa27b5da2311dc75f015d32e8e",
                            "type": "STATICCALL"
                          },
                          {
                            "from": "0x08513a4646d1bc8c348c67a3680bb19626e7f13f",
                            "gas": "0xce41d7",
                            "gasUsed": "0x1f4",
                            "to": "0x0000000000000000000000000000000000000005",
                            "input": "0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000201674e08033af5a4287cfeb37b79ed7f674367566339be5658fc93555d6ab4b9e000000000000000000000000000000000000000000000000000000000100000030644e72e131a029b85045b68181585d2833e84879b9709143e1f593f0000001",
                            "output": "0x07ab806ae89defecdd3ad307f43f7744f4d5b5aa27b5da2311dc75f015d32e8e",
                            "type": "STATICCALL"
                          },
                          {
                            "from": "0x08513a4646d1bc8c348c67a3680bb19626e7f13f",
                            "gas": "0xce3ea6",
                            "gasUsed": "0xfd0",
                            "to": "0x0000000000000000000000000000000000000005",
                            "input": "0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202ecf8d02c3edaa9b147d5abe0809838f29ffa920dc64b03eb48283364c89339530644e72e131a029b85045b68181585d2833e84879b9709143e1f593efffffff30644e72e131a029b85045b68181585d2833e84879b9709143e1f593f0000001",
                            "output": "0x0988e5c16ad5da7741e92833e70d9b024a5770a4687c16e348bc31696ad01ff5",
                            "type": "STATICCALL"
                          }
                        ],
                        "type": "STATICCALL"
                      }
                    ],
                    "type": "STATICCALL"
                  }
                ],
                "value": "0x0",
                "type": "DELEGATECALL"
              }
            ],
            "value": "0x0",
            "type": "CALL"
          }
        ],
        "value": "0x0",
        "type": "DELEGATECALL"
      }
    ],
    "value": "0x0",
    "type": "CALL"
  }
}

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

Unknown API_key

Method Not Allowed

Missing API_key

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

Documentation

How to migrate to NOWNodes

Trace transaction execution

Authorizations

Body

Response