Holder Map

{
  "address": "0x532f27101965dd16442E59d40670FaF5eBB142E4",
  "chain": "base",
  "concentration": {
    "creator_pct": 1.1,
    "owner_pct": 0,
    "pct_burned": 0,
    "pct_contract_held": 2.3,
    "pct_in_lp_or_locked": 6.1,
    "top10_holder_pct": 18.6,
    "top_holder_pct": 4.2
  },
  "disclaimer": "Holder-distribution facts observed on-chain at a point in time via public data sources. Bucket shares are floors computed from the visible top-holder list, not exhaustive census numbers. Analytics, not financial advice; concentration is a structural observation, not an accusation.",
  "flags": [
    "Top non-LP wallet holds 4.2% of supply"
  ],
  "holder_count": "48213",
  "read": "Distribution is broad for a memecoin: top-10 wallets (ex-LP/burn) hold 18.6%.",
  "top_holders": [
    {
      "address": "0x3f6…9a2",
      "bucket": "lp_or_locked",
      "is_contract": true,
      "is_locked": false,
      "pct": 5.8,
      "tag": "Uniswap V3: BRETT"
    },
    {
      "address": "0x91c…44b",
      "bucket": "wallet",
      "is_contract": false,
      "is_locked": false,
      "pct": 4.2,
      "tag": null
    }
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://onchainpulse.theaslangroupllc.com/api/holder-map?address=0x532f27101965dd16442E59d40670FaF5eBB142E4&chain=base'

# 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://onchainpulse.theaslangroupllc.com/api/holder-map?address=0x532f27101965dd16442E59d40670FaF5eBB142E4&chain=base' \
  | 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fonchainpulse.theaslangroupllc.com%2Fapi%2Fholder-map
const res = await pay("https://onchainpulse.theaslangroupllc.com/api/holder-map?address=0x532f27101965dd16442E59d40670FaF5eBB142E4&chain=base");
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://onchainpulse.theaslangroupllc.com/api/holder-map?address=0x532f27101965dd16442E59d40670FaF5eBB142E4&chain=base")
    print(res.status_code, res.text)