Keywords

Last 30 days

Uptime

100%

Response time

188 ms typical, 188 ms slowest 5%

Last check

3 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/keywords" \
  -H "content-type: application/json" \
  -d '{"limit":10,"text":"The x402 protocol lets an agent pay for a single request. A server answers with payment terms, the agent signs a stablecoin authorization, and the request is retried with the payment attached. Payment settles on chain, so the server needs no account and the agent needs no subscription. The x402 protocol prices each request on its own, and payment terms travel with the request itself."}'

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fkeywords
const res = await pay("https://agent402.tools/api/keywords", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"limit":10,"text":"The x402 protocol lets an agent pay for a single request. A server answers with payment terms, the agent signs a stablecoin authorization, and the request is retried with the payment attached. Payment settles on chain, so the server needs no account and the agent needs no subscription. The x402 protocol prices each request on its own, and payment terms travel with the request itself."}),
});
console.log(await res.json());

Example input

{
  "limit": 10,
  "text": "The x402 protocol lets an agent pay for a single request. A server answers with payment terms, the agent signs a stablecoin authorization, and the request is retried with the payment attached. Payment settles on chain, so the server needs no account and the agent needs no subscription. The x402 protocol prices each request on its own, and payment terms travel with the request itself."
}

Example output

{
  "keywords": [
    {
      "count": 4,
      "term": "request"
    },
    {
      "count": 4,
      "term": "payment"
    },
    {
      "count": 3,
      "term": "agent"
    }
  ],
  "phrases": [
    {
      "count": 2,
      "term": "x402 protocol"
    },
    {
      "count": 2,
      "term": "payment terms"
    }
  ]
}

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks