Shopping Product Search

{
  "checkedAt": "2026-08-30T10:00:02.000Z",
  "country": "NL",
  "currency": "EUR",
  "maxPriceMinor": 15000,
  "products": [
    {
      "checkoutUrl": "https://poweredup.example/cart/4444444444:1",
      "currency": "EUR",
      "priceMinor": 12999,
      "productId": "gid://shopify/Product/3333333333",
      "productTitle": "20000mAh 65W USB-C Power Bank",
      "productUrl": "https://poweredup.example/products/pb-20000-65w",
      "rating": {
        "count": 88,
        "value": 4.4
      },
      "searchRank": 0,
      "seller": {
        "domain": "poweredup.example",
        "name": "PoweredUp",
        "url": "https://poweredup.example"
      },
      "variantId": "gid://shopify/ProductVariant/4444444444",
      "variantTitle": null
    }
  ],
  "query": "65W USB-C power bank 20000mAh airline safe",
  "source": "shopify-global-catalog",
  "warnings": []
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://agent-api-production.tim1712.workers.dev/v1/shopping/product-search' \
  -H 'content-type: application/json' \
  --data-raw '{"country":"NL","currency":"EUR","limit":5,"maxPriceMinor":15000,"query":"65W USB-C power bank 20000mAh airline safe"}'

# 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 - -X POST 'https://agent-api-production.tim1712.workers.dev/v1/shopping/product-search' \
  -H 'content-type: application/json' \
  --data-raw '{"country":"NL","currency":"EUR","limit":5,"maxPriceMinor":15000,"query":"65W USB-C power bank 20000mAh airline safe"}' \
  | 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent-api-production.tim1712.workers.dev%2Fv1%2Fshopping%2Fproduct-search&method=POST
const res = await pay("https://agent-api-production.tim1712.workers.dev/v1/shopping/product-search", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "country": "NL",
    "currency": "EUR",
    "limit": 5,
    "maxPriceMinor": 15000,
    "query": "65W USB-C power bank 20000mAh airline safe"
  }),
});
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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://agent-api-production.tim1712.workers.dev/v1/shopping/product-search",
        json={
            "country": "NL",
            "currency": "EUR",
            "limit": 5,
            "maxPriceMinor": 15000,
            "query": "65W USB-C power bank 20000mAh airline safe",
        },
    )
    print(res.status_code, res.text)