Search

{
  "query": "recent earthquake news",
  "results": [
    {
      "date": null,
      "extract": "to Earthquakes. USGS-ANSS Latest earthquakes around the world Southern California Earthquake Center (SCEC) IRIS Seismic Monitor, Recent earthquakes around",
      "source": "wikipedia",
      "title": "Lists of earthquakes",
      "url": "https://en.wikipedia.org/wiki/Lists_of_earthquakes"
    },
    {
      "date": null,
      "extract": "This is a list of earthquakes in 2026. Only earthquakes of magnitude 6 or above are included, unless they result in significant damage and/or casualties",
      "source": "wikipedia",
      "title": "List of earthquakes in 2026",
      "url": "https://en.wikipedia.org/wiki/List_of_earthquakes_in_2026"
    },
    {
      "date": "2010-04-15T00:49:30Z",
      "extract": "Is Recent Earthquake Activity Unusual? Scientists Say No.",
      "source": "hackernews",
      "title": "Is Recent Earthquake Activity Unusual? Scientists Say No.",
      "url": "http://www.usgs.gov/newsroom/article.asp?ID=2439"
    },
    {
      "date": null,
      "extract": "doublet large strike-slip earthquakes affected northwestern and central Venezuela. The epicenter of the first earthquake was in Veroes Municipality,",
      "source": "wikipedia",
      "title": "2026 Venezuela earthquakes",
      "url": "https://en.wikipedia.org/wiki/2026_Venezuela_earthquakes"
    },
    {
      "date": null,
      "extract": "tsunami is one of the deadliest natural disasters in recent history. The 2005 Kashmir earthquake destroyed several towns, and caused extensive damage",
      "source": "wikipedia",
      "title": "Lists of 21st-century earthquakes",
      "url": "https://en.wikipedia.org/wiki/Lists_of_21st-century_earthquakes"
    }
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://x402.agentindex.world/search' \
  -H 'content-type: application/json' \
  --data-raw '{"query":"recent earthquake news"}'

# 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://x402.agentindex.world/search' \
  -H 'content-type: application/json' \
  --data-raw '{"query":"recent earthquake news"}' \
  | 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%2Fx402.agentindex.world%2Fsearch&method=POST
const res = await pay("https://x402.agentindex.world/search", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "query": "recent earthquake news"
  }),
});
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://x402.agentindex.world/search",
        json={
            "query": "recent earthquake news",
        },
    )
    print(res.status_code, res.text)