Solar Legality All

{
  "count": 50,
  "license": {
    "name": "CC BY 4.0"
  },
  "states": [
    {
      "avg_rate_cents": 15,
      "legal_status": "legal_signed",
      "legislation": {
        "bill": "HB26-1007",
        "max_watts": 1920
      },
      "main_utilities": [
        "Xcel Energy"
      ],
      "slug": "colorado",
      "state": "Colorado",
      "status_badge_verbatim": "Legal — signed (eff. Jan 1, 2027)"
    },
    {
      "avg_rate_cents": 15,
      "legal_status": "gray_area",
      "legislation": null,
      "main_utilities": [],
      "slug": "alabama",
      "state": "Alabama",
      "status_badge_verbatim": "Gray area - check utility"
    }
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://solar.nsgoods.org/solar-legality/all'

# 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://solar.nsgoods.org/solar-legality/all' \
  | 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%2Fsolar.nsgoods.org%2Fsolar-legality%2Fall
const res = await pay("https://solar.nsgoods.org/solar-legality/all");
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://solar.nsgoods.org/solar-legality/all")
    print(res.status_code, res.text)