Calls Parking Search

{
  "countries": [
    {
      "continent": "europe",
      "country": "Germany",
      "country_code": "DE",
      "stats": {
        "active_lots": 2,
        "available_spaces": 120,
        "idle_lots": 0,
        "lots": 2,
        "total_spaces": 300
      }
    }
  ],
  "lots": [
    {
      "address": "1 Main St",
      "amenities": [
        "credit_cards"
      ],
      "city": "Berlin",
      "continent": "europe",
      "country": "Germany",
      "country_code": "DE",
      "district": "Mitte",
      "facility_type": "garage",
      "id": "pl_pelkavubxvu35g5iydfiwwvv4y",
      "latitude": 52.52,
      "longitude": 13.405,
      "name": "Central Garage",
      "opening_hours": "00:00-24:00",
      "price": {
        "currency": "EUR",
        "display": "€3.50/hr",
        "hourly_usd": 3.77
      },
      "setting": "indoor",
      "spaces": {
        "available": 80,
        "total": 200
      },
      "status": "active",
      "updated_at": "2026-10-13T08:00:00Z"
    }
  ],
  "next_cursor": "",
  "totals": {
    "active_lots": 2,
    "available_spaces": 120,
    "idle_lots": 0,
    "lots": 2,
    "total_spaces": 300
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://testnet-x402-api.karpak.xyz/v1/calls/parking-search' \
  -H 'content-type: application/json' \
  --data-raw '{"country_code":"DE","facility_type":"garage","limit":1,"sort_by":"spaces_desc","status":"active"}'

# 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://testnet-x402-api.karpak.xyz/v1/calls/parking-search' \
  -H 'content-type: application/json' \
  --data-raw '{"country_code":"DE","facility_type":"garage","limit":1,"sort_by":"spaces_desc","status":"active"}' \
  | 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftestnet-x402-api.karpak.xyz%2Fv1%2Fcalls%2Fparking-search&method=POST
const res = await pay("https://testnet-x402-api.karpak.xyz/v1/calls/parking-search", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "country_code": "DE",
    "facility_type": "garage",
    "limit": 1,
    "sort_by": "spaces_desc",
    "status": "active"
  }),
});
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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://testnet-x402-api.karpak.xyz/v1/calls/parking-search",
        json={
            "country_code": "DE",
            "facility_type": "garage",
            "limit": 1,
            "sort_by": "spaces_desc",
            "status": "active",
        },
    )
    print(res.status_code, res.text)