Retry Verify

Last 30 days

Uptime

100%

Response time

212 ms typical, 588 ms slowest 5%

Last check

2 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://mini-tollbooth.onrender.com/retry-verify?write_intent=send+5+USDC+to+0x8BE8D056d5F0bEF850eC9ed5C4a8d647cBE896C0"

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%2Fmini-tollbooth.onrender.com%2Fretry-verify
const res = await pay("https://mini-tollbooth.onrender.com/retry-verify?write_intent=send+5+USDC+to+0x8BE8D056d5F0bEF850eC9ed5C4a8d647cBE896C0");
console.log(await res.json());

Example input

{
  "transport_evidence": {
    "elapsed_ms": 30000,
    "endpoint": "https://api.example.com",
    "outcome": "timeout"
  },
  "write_intent": "send 5 USDC to 0x8BE8D056d5F0bEF850eC9ed5C4a8d647cBE896C0"
}

Example output

{
  "check_plan": [
    "…"
  ],
  "danger_flags": [
    "money-moving intent — a duplicate write moves real value twice"
  ],
  "description": "NOT A GUARANTEE — retry safety for failed writes ($0.02): hand it the write intent and the transport evidence (timeout, ambiguous status, connection reset) and get VERIFY_FIRST / SAFE_TO_RETRY / DO_NOT_RETRY plus a concrete read-back check plan. Never blesses a blind retry of a non-idempotent write.",
  "lane": "/retry-verify",
  "rationale": "…",
  "verdict": "VERIFY_FIRST",
  "warning": "NOT_A_GUARANTEE — rule-based retry safety; the write may have partially executed. The check plan is your only evidence."
}

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