B

Building Permit Records · Permits

by Building Permit Records

GETBase

$0.03

per call · USD Coin on Base

Building permit records. Construction and building permits across Chicago, NYC, Seattle, and San Francisco — type, status, address, cost, and issue date.

Endpoint

GET https://api.kadec0.xyz/v1/permits

3

Calls / 30d

1

Unique payers / 30d

Aug 26

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://api.kadec0.xyz/v1/permits", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://api.kadec0.xyz/v1/permits?city=sf&date_range=2024-01-01%2C2026-06-21&maxItems=5&permit_type=kitchen" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "count": 1,
  "items": [
    {
      "address": "930 Sutter St",
      "city": "San Francisco",
      "estimatedCost": 40000,
      "issuedDate": "2026-06-18",
      "permitId": "202606042504",
      "permitType": "additions alterations or repairs",
      "source": "sf",
      "status": "issued",
      "type": "permit"
    }
  ]
}

Payment details

Pay to0x4df66b6c140778fe0717880a7c6dde5ea53acdea
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact

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