Seller

{
  "calls30d": 4492,
  "callsPerPayer": 35.65,
  "declaredBy": "agent",
  "generatedAt": "2026-09-17T12:00:00.000Z",
  "host": "api.example.com",
  "marketShareOfPayers": 0.0016,
  "matched": 12,
  "networks": [
    "eip155:8453"
  ],
  "payers30d": 126,
  "priceLadderUsd": [
    0.01,
    0.02,
    0.05
  ],
  "priceMaxUsd": 0.05,
  "priceMinUsd": 0.01,
  "query": {
    "by": null,
    "host": "api.example.com",
    "limit": 50,
    "op": "seller",
    "where": {}
  },
  "resources": 12,
  "route": "/seller",
  "routes": [
    {
      "calls30d": 1200,
      "name": "netflow",
      "network": "eip155:8453",
      "payers30d": 40,
      "priceUsd": 0.05,
      "resource": "https://api.example.com/netflow",
      "tags": [
        "onchain",
        "smart-money"
      ]
    }
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/seller?host=api.example.com'

# 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://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/seller?host=api.example.com' \
  | 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 $0.025 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.025" });
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 $0.025 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-bazaar-rank.x402-bazaar-rank-worker.workers.dev%2Fseller
const res = await pay("https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/seller?host=api.example.com");
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 $0.025 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.025"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/seller?host=api.example.com")
    print(res.status_code, res.text)