ToolVet
75trust / 100

Run

by redlynr.com in Onchain & crypto

x402 APIPassing, checked 20 min ago

Agent guardrail decision engine. Call once before every agent action; returns a single decision — proceed, slow down (with a reason and wait time), or stop — based on cost budget, chain depth, step cap and retry budget, and request volume pressure. Policy thresholds are configured separately via /policy; this endpoint only reports the decision for a single action.

POST
https://redlynr.com/run
Price
$0.001
per call in USDC
Uptime
100%
last 30 days
Response time
809 ms
914 ms slowest 5%
Last check
Passed
20 min ago, next in 10 min

Run a free test callHow to call it

Reliability

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Status and outage history · Atom feed · Watch with other listings

How to call it

POST https://redlynr.com/run

Each call costs $0.001 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://redlynr.com/run
content-type: application/json

{
  "agent_id": "agent_42",
  "chain_id": "chain_abc123",
  "is_retry": false,
  "step_cost": 0.02,
  "tenant_id": "acme_corp"
}

Parameters

ParameterTypeRequiredDescription
agent_idstringYesIdentifies the specific agent, used for pause/retry tracking
chain_idstringYesIdentifies the specific agent chain/task, used for depth/step tracking
is_retrybooleanNoSet true if this call represents a retry of a previous failed step (default false)
step_costnumberNoCost of this step in USD, must be >= 0 (default 0)
tenant_idstringYesIdentifies the customer account; policy and counters are scoped to this

Example response

The provider's example. We can't check it without paying.

Example response, 26 lines
{
  "checks": {
    "chain_depth": {
      "current": 3,
      "limit": 10
    },
    "cost": {
      "limit": 50,
      "spent": 12.4
    },
    "paused": false,
    "steps_retries": {
      "retries": 0,
      "retry_limit": 3,
      "step_limit": 25,
      "steps": 7
    },
    "volume": {
      "blocking": false,
      "pct_used": 42
    }
  },
  "decision": "proceed",
  "reason": null,
  "wait_seconds": null
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.001.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://redlynr.com/run' \
  -H 'content-type: application/json' \
  --data-raw '{"agent_id":"agent_42","chain_id":"chain_abc123","is_retry":false,"step_cost":0.02,"tenant_id":"acme_corp"}'

# 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://redlynr.com/run' \
  -H 'content-type: application/json' \
  --data-raw '{"agent_id":"agent_42","chain_id":"chain_abc123","is_retry":false,"step_cost":0.02,"tenant_id":"acme_corp"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// 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 $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
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 $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fredlynr.com%2Frun&method=POST
const res = await pay("https://redlynr.com/run", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "agent_id": "agent_42",
    "chain_id": "chain_abc123",
    "is_retry": false,
    "step_cost": 0.02,
    "tenant_id": "acme_corp"
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# 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 $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://redlynr.com/run",
        json={
            "agent_id": "agent_42",
            "chain_id": "chain_abc123",
            "is_retry": False,
            "step_cost": 0.02,
            "tenant_id": "acme_corp",
        },
    )
    print(res.status_code, res.text)

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