Locus Regulated Facility Compliance

{
  "caveats": [
    "ECHO rows are regulatory facility/compliance records, not proof of exposure, contamination, nuisance, or health effects at the queried property.",
    "Facility coordinates and compliance flags can lag or be corrected; use the ECHO Detailed Facility Report for the authoritative row."
  ],
  "facilities": [
    {
      "city": "RALEIGH",
      "complianceSummary": {
        "currentSignificantViolation": "N",
        "inspectionsLastFiveYears": 0
      },
      "name": "$1.50 DRY CLEAN CITY",
      "officialUrl": "https://echo.epa.gov/detailed-facility-report?fid=110024442959",
      "programIds": [
        "110024442959"
      ],
      "registryId": "110024442959",
      "state": "NC"
    },
    {
      "city": "RALEIGH",
      "complianceSummary": {
        "currentSignificantViolation": "N",
        "inspectionsLastFiveYears": 0
      },
      "name": "100 KNOWLES STREET",
      "officialUrl": "https://echo.epa.gov/detailed-facility-report?fid=110071923936",
      "programIds": [
        "110071923936"
      ],
      "registryId": "110071923936",
      "state": "NC"
    }
  ],
  "note": "Awareness/diagnostic only. Full briefs are x402-paid. Agents can discover live free tools at https://api.locus.report/tools/list and paid tools, prices, and manifests at https://api.locus.report/.well-known/ai-tool/index.json.",
  "ok": true,
  "paidNextStep": {
    "reason": "Use the paid atomic route for distance-ranked NEI facilities and pollutant quantities.",
    "tool": "locus-nei-emissions-nearby"
  },
  "point": {
    "latitude": 35.780418000003195,
    "longitude": -78.63910200000142
  },
  "provenance": {
    "coverage": "United States where ECHO publishes facility/compliance records",
    "qidServiceUrl": "https://echodata.epa.gov/echo/echo_rest_services.get_qid",
    "serviceUrl": "https://echodata.epa.gov/echo/echo_rest_services.get_facilities",
    "source": "EPA ECHO All Media Facility Search REST Services",
    "sourcePage": "https://echo.epa.gov/tools/web-services"
  },
  "queryId": "978",
  "radiusMeters": 5000,
  "verifyNext": [
    {
      "source": "EPA ECHO",
      "step": "Open the ECHO Detailed Facility Report for any facility before interpreting compliance history.",
      "url": "https://echo.epa.gov/"
    }
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.locus.report/api/locus-regulated-facility-compliance' \
  -H 'content-type: application/json' \
  --data-raw '{"address":"1 E Edenton St, Raleigh, NC 27601"}'

# 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 - -X POST 'https://api.locus.report/api/locus-regulated-facility-compliance' \
  -H 'content-type: application/json' \
  --data-raw '{"address":"1 E Edenton St, Raleigh, NC 27601"}' \
  | 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.locus.report%2Fapi%2Flocus-regulated-facility-compliance&method=POST
const res = await pay("https://api.locus.report/api/locus-regulated-facility-compliance", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "address": "1 E Edenton St, Raleigh, NC 27601"
  }),
});
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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.locus.report/api/locus-regulated-facility-compliance",
        json={
            "address": "1 E Edenton St, Raleigh, NC 27601",
        },
    )
    print(res.status_code, res.text)