Echo

Last 30 days

Uptime

100%

Response time

52 ms typical, 52 ms slowest 5%

Last check

4 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://api.oblique.markets/api/v1/paid/echo"

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 $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.oblique.markets%2Fapi%2Fv1%2Fpaid%2Fecho
const res = await pay("https://api.oblique.markets/api/v1/paid/echo");
console.log(await res.json());

Example input

{}

Example output

{
  "echo": {
    "hello": "world",
    "n": "1"
  },
  "message": "This response was paid for via x402 protocol",
  "timestamp": "2026-09-12T00:08:59.286Z"
}

Security scan

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

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