Sla Downtime

{
  "allowedDowntime": [
    {
      "downtime": "1 min 26.4 s",
      "downtimeSeconds": 86.39999999999048,
      "period": "per day"
    },
    {
      "downtime": "10 min 4.8 s",
      "downtimeSeconds": 604.7999999999333,
      "period": "per week"
    }
  ],
  "asOf": "2026-10-11T20:19:40.493Z",
  "availabilityPercent": 99.9,
  "degraded": false,
  "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
  "nines": 3,
  "notChecked": [
    "how your provider measures availability (the monitored window, partial outages, excluded maintenance and the credits the SLA actually pays)",
    "failure correlation: replicas in one data center share power, network and software bugs, so the parallel figure is an upper bound",
    "…1 more"
  ],
  "reasons": [
    "Downtime = (1 - availability) x period; the year is 365 days and the month 30 days.",
    "Series (all must work): multiply availabilities, so the chain is weaker than its weakest link. Parallel (any one suffices): multiply unavailabilities.",
    "…1 more"
  ],
  "source": "computed locally",
  "summary": "99.9% (3 nines) allows 8 h 45 min 36 s per 365-day year, 43 min 12 s per 30-day month, 1 min 26.4 s per day.",
  "verdict": "STANDARD_SLA"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://data-calc.x402tookit.com/sla-downtime?availability=99.9'

# 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 - 'https://data-calc.x402tookit.com/sla-downtime?availability=99.9' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fdata-calc.x402tookit.com%2Fsla-downtime
const res = await pay("https://data-calc.x402tookit.com/sla-downtime?availability=99.9");
console.log(res.status, await res.text());

# 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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://data-calc.x402tookit.com/sla-downtime?availability=99.9")
    print(res.status_code, res.text)