Coordinate Geometry

{
  "angleDeg": 63.4349488229,
  "asOf": "2026-10-11T08:51:18.341Z",
  "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.",
  "equation": "y = 2x + 0",
  "generalForm": {
    "A": 4,
    "B": -2,
    "C": 0
  },
  "midpoint": {
    "x": 2,
    "y": 4
  },
  "notChecked": [
    "3-D geometry",
    "self-intersecting polygons (the shoelace area is then a signed combination)",
    "…1 more"
  ],
  "perpendicularBisector": "y = -0.5x + 5",
  "perpendicularSlope": -0.5,
  "reasons": [
    "Slope-intercept y = mx + b and general form Ax + By + C = 0.",
    "Perpendicular slope is -0.5."
  ],
  "segmentLength": 4.472135955,
  "slope": 2,
  "source": "computed locally",
  "summary": "Line: y = 2x + 0 (slope 2, angle 63.4349 degrees); length between points 4.472136.",
  "verdict": "COMPUTED",
  "xIntercept": 0,
  "yIntercept": 0
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://math-geometry.x402tookit.com/coordinate-geometry?mode=line&p1=1%2C2&p2=3%2C6'

# 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://math-geometry.x402tookit.com/coordinate-geometry?mode=line&p1=1%2C2&p2=3%2C6' \
  | 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%2Fmath-geometry.x402tookit.com%2Fcoordinate-geometry
const res = await pay("https://math-geometry.x402tookit.com/coordinate-geometry?mode=line&p1=1%2C2&p2=3%2C6");
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://math-geometry.x402tookit.com/coordinate-geometry?mode=line&p1=1%2C2&p2=3%2C6")
    print(res.status_code, res.text)