Pluscode Encode

{
  "asOf": "2026-10-11T08:41:07.533Z",
  "bounds": {
    "east": 8.525,
    "north": 47.365625,
    "south": 47.3655,
    "west": 8.524875
  },
  "centerLat": 47.3655625,
  "centerLon": 8.5249375,
  "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.",
  "length": 10,
  "notChecked": [
    "whether the place has an address or a name",
    "a 10 digit code is about 14 m by 14 m; the point can be anywhere inside the area"
  ],
  "plusCode": "8FVC9G8F+6X",
  "reasons": [
    "Digits come from the 20-character alphabet 23456789CFGHJMPQRVWX in latitude/longitude pairs; digits 11 to 15 refine a 4 by 5 grid."
  ],
  "shortCode": "+6X",
  "source": "Open Location Code specification (Google, Apache-2.0), computed locally",
  "summary": "(47.36559, 8.524997) is Plus Code 8FVC9G8F+6X, locally +6X.",
  "verdict": "ENCODED"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://geo-calc.x402tookit.com/pluscode-encode?lat=47.36559&length=10&lon=8.524997'

# 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://geo-calc.x402tookit.com/pluscode-encode?lat=47.36559&length=10&lon=8.524997' \
  | 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%2Fgeo-calc.x402tookit.com%2Fpluscode-encode
const res = await pay("https://geo-calc.x402tookit.com/pluscode-encode?lat=47.36559&length=10&lon=8.524997");
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://geo-calc.x402tookit.com/pluscode-encode?lat=47.36559&length=10&lon=8.524997")
    print(res.status_code, res.text)