ToolVet
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Token Echo 1

by Delx Token Echo 1 in Onchain & crypto

x402 APIPassing, checked 31 min ago

Echo text with length (probe channel 1). Call when you verify x402 pay→deliver wiring with a trivial payload. Returns echo text, length, echo=1 for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.

POST https://api.delx.ai/api/v1/x402/token-echo-1

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
8 ms typical, 8 ms slowest 5%
Last check
31 min ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://api.delx.ai/api/v1/x402/token-echo-1" \
  -H "content-type: application/json" \
  -d '{"text":"ping-delx-1"}'
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%2Fapi.delx.ai%2Fapi%2Fv1%2Fx402%2Ftoken-echo-1
const res = await pay("https://api.delx.ai/api/v1/x402/token-echo-1", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"text":"ping-delx-1"}),
});
console.log(await res.json());

Example input

{
  "text": "ping-delx-1"
}

Example output

{
  "echo": 1,
  "length": 11,
  "schema": "delx/util-token-echo-1/v1",
  "text": "ping-delx-1"
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
31 min agoPassed40212 ms$0.001
6 h agoPassed4028 ms$0.001