ToolVet
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Retention Policy Check

by Delx Retention Policy Check in Onchain & crypto

x402 APIPassing, checked 1 h ago

Compare declared retention with a maximum policy window. Use it as a bounded preflight or analysis step inside an enterprise agent workflow before data, policy, integration, security, or commercial decisions reach production. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base or Solana. Execution is first-party, local-only, stateless, memory-only, and has no paid upstream or input retention. Results are advisory; the caller remains responsible for authorization and pro…

POST
https://api.delx.ai/api/v1/x402/retention-policy-check
Price
$0.003
per call in USDC
Uptime
100%
last 30 days
Response time
28 ms
252 ms slowest 5%
Last check
Passed
1 h ago, next any minute now

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://api.delx.ai/api/v1/x402/retention-policy-check

Each call costs $0.003 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://api.delx.ai/api/v1/x402/retention-policy-check
content-type: application/json

{
  "max_days": 14,
  "retention_days": 30
}

Parameters

ParameterTypeRequiredDescription
max_daysnumberYesInput field: max_days.
retention_daysnumberYesInput field: retention_days.

Example response

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

{
  "compliant": false,
  "excess_days": 16,
  "max_days": 14,
  "recommendation": "reduce_or_document_exception",
  "retention_days": 30,
  "schema": "delx/util-retention-policy-check/v1"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.003.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.delx.ai/api/v1/x402/retention-policy-check' \
  -H 'content-type: application/json' \
  --data-raw '{"max_days":14,"retention_days":30}'

# 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://api.delx.ai/api/v1/x402/retention-policy-check' \
  -H 'content-type: application/json' \
  --data-raw '{"max_days":14,"retention_days":30}' \
  | 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 $0.003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.003" });
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 $0.003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.delx.ai%2Fapi%2Fv1%2Fx402%2Fretention-policy-check&method=POST
const res = await pay("https://api.delx.ai/api/v1/x402/retention-policy-check", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "max_days": 14,
    "retention_days": 30
  }),
});
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 $0.003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.003"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.delx.ai/api/v1/x402/retention-policy-check",
        json={
            "max_days": 14,
            "retention_days": 30,
        },
    )
    print(res.status_code, res.text)

Security scan

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Recent checks

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1 h agoPassed40228 ms$0.003
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10 h agoPassed40234 ms$0.003
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27 h agoPassed402241 ms$0.003
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