Golden Ratio
by CSS Design Calc in Other
Split a length into major and minor parts by the golden ratio (or silver, root-2, custom) with matching rectangle sizes.
https://css-design-calc.x402tookit.com/golden-ratio- Price
- $0.02
- per call in USDC
- Uptime
- 70.6%
- last 30 days
- Response time
- 527 ms
- 1.5 s slowest 5%
- Last check
- Passed
- 8 h ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
GET https://css-design-calc.x402tookit.com/golden-ratio
Each call costs $0.02 in USDC on Polygon, 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.
GET https://css-design-calc.x402tookit.com/golden-ratio?ratio=golden&total=1200Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
ratio | string | No | golden (default 1.618), silver (2.414), root-2, root-3, root-5, thirds, or a number above 1 |
total | number | Yes | The length to split, in any unit |
Example response
The provider's example. We can't check it without paying.
Example response, 30 lines
{
"asOf": "2026-10-11T14:32:43.923Z",
"cssGridColumns": "1.618fr 1fr",
"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.",
"major": 741.6407865,
"majorPercent": 61.8034,
"minor": 458.3592135,
"minorPercent": 38.1966,
"nextLarger": 1941.6407865,
"nextSmaller": 741.6407865,
"notChecked": [
"whether a golden split looks better than another (a design convention, not a rule)",
"gutters and padding, which change the effective proportions",
"…1 more"
],
"ratio": 1.6180339887,
"ratioName": "golden",
"reasons": [
"The larger part divided by the smaller part equals the ratio; the whole divided by the larger part equals the ratio too only for the golden ratio.",
"As a rectangle: width 1200 needs height 741.640786."
],
"rectangleHeight": 741.6407865,
"rectangleWidthForHeight": 1941.6407865,
"source": "Golden ratio phi = (1 + sqrt 5)/2 and the related metallic means, computed locally",
"summary": "1200 splits into 741.640786 (61.8034%) and 458.359214 (38.1966%) at ratio 1.618034 (golden).",
"total": 1200,
"verdict": "COMPUTED",
"wholeToMajorRatio": 1.61803399
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.02.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://css-design-calc.x402tookit.com/golden-ratio?ratio=golden&total=1200'
# 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://css-design-calc.x402tookit.com/golden-ratio?ratio=golden&total=1200' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: 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 $0.02 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%2Fcss-design-calc.x402tookit.com%2Fgolden-ratio
const res = await pay("https://css-design-calc.x402tookit.com/golden-ratio?ratio=golden&total=1200");
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 $0.02 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://css-design-calc.x402tookit.com/golden-ratio?ratio=golden&total=1200")
print(res.status_code, res.text)Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 8 h ago | Passed | 402 | 559 ms | $0.02 |
| 21 h ago | Expected HTTP 402, got 530 | 530 | 120 ms | - |
| 34 h ago | Passed | 402 | 545 ms | $0.02 |
| 46 h ago | Expected HTTP 402, got 530 | 530 | 94 ms | - |
| 2 days ago | Passed | 402 | 525 ms | $0.02 |
Show 10 older checks
| 3 days ago | Passed | 402 | 640 ms | $0.02 |
| 3 days ago | Passed | 402 | 519 ms | $0.02 |
| 4 days ago | Expected HTTP 402, got 530 | 530 | 111 ms | - |
| 5 days ago | Expected HTTP 402, got 530 | 530 | 221 ms | - |
| 5 days ago | Expected HTTP 402, got 530 | 530 | 173 ms | - |
| 5 days ago | Passed | 402 | 516 ms | $0.02 |
| 5 days ago | Passed | 402 | 551 ms | $0.02 |
| 6 days ago | Passed | 402 | 527 ms | $0.02 |
| 6 days ago | Passed | 402 | 579 ms | $0.02 |
| 6 days ago | Passed | 402 | 1.5 s | $0.02 |