Entities Token Transfers

{
  "data": {
    "address": "0xf977814e90da44bfa03b6295a0616a897441acec",
    "nextCursor": "AVsyNjA5NTc2MCwzNSw1NiwwLDBdL7-na6rsViwpOv34XUCWDA",
    "transfers": [
      {
        "blockNumber": 26096544,
        "eventType": "transfer",
        "from": "0x28c6c06298d514db089934071355e5743bf21d60",
        "logIndex": 17,
        "role": "receiver",
        "timestamp": 1790846579,
        "to": "0xf977814e90da44bfa03b6295a0616a897441acec",
        "token": {
          "address": "0xd0ec028a3d21533fdd200838f39c85b03679285d",
          "decimals": 18,
          "name": "Newton",
          "standard": "erc20",
          "symbol": "NEWT"
        },
        "txHash": "0xf5c1b5f315f834fe0d5a2afbbb592a4b6b260fcc37ffb60283df31aab430cdb4",
        "txIndex": 24,
        "txSender": "0x28c6c06298d514db089934071355e5743bf21d60",
        "txTo": "0xd0ec028a3d21533fdd200838f39c85b03679285d",
        "value": "5178621000000000000000000"
      }
    ]
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/token-transfers?limit=10'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/token-transfers?limit=10' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.1 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.1" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.1 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fmpp.tracefast.xyz%2Fapi%2Fv1%2Fchains%2F1%2Fentities%2F%3Aaddress%2Ftoken-transfers
const res = await pay("https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/token-transfers?limit=10");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.1 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.1"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/token-transfers?limit=10")
    print(res.status_code, res.text)