Locus Practitioner Read

{
  "address": "1 E Edenton St, Raleigh, NC 27601",
  "catalogue": {
    "evaluated": 0,
    "gated": 0
  },
  "catalogueVersion": "example",
  "caveats": [
    "example"
  ],
  "charged": true,
  "focus": {
    "source": "inferred"
  },
  "generatedAt": "2026-01-15T00:00:00.000Z",
  "kind": "practitioner_read",
  "permitMix": {
    "available": false,
    "coverage": "covered"
  },
  "persona": {
    "source": "caller"
  },
  "prose": "example",
  "questionUse": {
    "focusGroup": "records",
    "personaFrom": "question"
  },
  "readings": [
    {
      "checkNext": "example",
      "id": "example",
      "readingText": "example",
      "recordRefs": [
        "example"
      ],
      "status": "matched",
      "title": "example"
    }
  ],
  "readingsNotEvaluated": [
    {
      "id": "example",
      "reason": "example"
    }
  ],
  "recordRefs": [
    "example"
  ],
  "timing": {
    "recordsCached": false,
    "stages": {},
    "totalMs": 1
  },
  "verifyNext": [
    {
      "label": "example",
      "url": "https://example.gov/record"
    }
  ],
  "waterContext": {
    "citations": [
      "example"
    ],
    "nonInference": "example",
    "pfasDetectionCount": 1,
    "violationCount12mo": 1,
    "violations": [
      {}
    ]
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.locus.report/api/locus-practitioner-read' \
  -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-practitioner-read' \
  -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 $0.29 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.29" });
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 $0.29 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.locus.report%2Fapi%2Flocus-practitioner-read&method=POST
const res = await pay("https://api.locus.report/api/locus-practitioner-read", {
  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 $0.29 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.29"})
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-practitioner-read",
        json={
            "address": "1 E Edenton St, Raleigh, NC 27601",
        },
    )
    print(res.status_code, res.text)