> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.coperniq.io/api-reference/ahjs/get-ahj/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.coperniq.io/_mcp/server.

# Get AHJ

GET https://api.coperniq.io/v1/ahjs/{ahj_id}

Retrieve a specific AHJ by ID, including catalog metadata and custom field values.

Reference: https://docs.coperniq.io/api-reference/ahjs/get-ahj

## Authentication

- `x-api-key` header (required) — API Key authentication via header

## Request

### Path parameters

- `ahj_id` (string, required)

## Response

### 200

AHJ details

- `id` (integer, optional) — Unique identifier.
- `uuid` (string, optional, nullable) — AHJID UUID (when known).
- `name` (string, optional) — Full AHJ name (e.g. "City of San Francisco").
- `type` (enum, optional, nullable) — Jurisdiction type.
  - Allowed values: `STATE`, `COUNTY`, `CITY`, `MUNICIPALITY`, `TOWNSHIP`, `TRIBAL`
- `country` (string, optional) — Two-letter country code (e.g. "US").
- `state` (string, optional, nullable) — Two-letter state code (e.g. "CA").
- `stateName` (string, optional, nullable) — Full state name (e.g. "California").
- `parentCounty` (string, optional, nullable) — For sub-county jurisdictions, the containing county name.
- `geoId` (string, optional, nullable) — US Census TIGER GEOID for the boundary.
- `ahjRegistryCode` (string, optional, nullable) — AHJ Registry composite code (e.g. "TX-4805000").
- `isActive` (boolean, optional) — Whether this AHJ is currently active in the catalog.
- `isPrivate` (boolean, optional, nullable) — True for company-private jurisdictions, false for global catalog entries.
- `pointOfContact` (string, optional, nullable)
- `submissionMethod` (string, optional, nullable) — How permit submissions are accepted (online, in-person, etc.).
- `emails` (list of string, optional)
- `phones` (list of string, optional)
- `address` (string, optional, nullable)
- `website` (string, optional, nullable)
- `portal` (string, optional, nullable) — Permit portal URL.
- `turnaround` (integer, optional, nullable) — Typical permit turnaround in days.
- `fees` (string, optional, nullable)
- `notes` (string, optional, nullable)
- `permitSubmissionNotes` (string, optional, nullable)
- `buildingCodeModel` (string, optional, nullable)
- `buildingCodeLocal` (string, optional, nullable)
- `residentialCodeModel` (string, optional, nullable)
- `residentialCodeLocal` (string, optional, nullable)
- `fireCodeModel` (string, optional, nullable)
- `fireCodeLocal` (string, optional, nullable)
- `electricalCodeModel` (string, optional, nullable)
- `electricalCodeLocal` (string, optional, nullable)
- `windCodeModel` (string, optional, nullable)
- `windCodeLocal` (string, optional, nullable)
- `codesOther` (string, optional, nullable)
- `firePathwaysEnforced` (boolean, optional, nullable)
- `electricalEngineerStampRequired` (boolean, optional, nullable)
- `structuralStampRequired` (boolean, optional, nullable)
- `climateZone` (string, optional, nullable)
- `ashraeMinTempC` (double, optional, nullable)
- `ashraeMaxTempC` (double, optional, nullable)
- `ashraeMinTempF` (double, optional, nullable) — Auto-computed from ashraeMinTempC. Used for NEC 690.7 max-Voc string sizing.
- `ashraeMaxTempF` (double, optional, nullable) — Auto-computed from ashraeMaxTempC. Used for thermal derating in PV performance modeling.
- `centroidLatitude` (double, optional, nullable)
- `centroidLongitude` (double, optional, nullable)
- `landAreaSqMiles` (double, optional, nullable)
- `specialZones` (list of string, optional, nullable)
- `buildingDeptHours` (list of string, optional, nullable)
- `tigerYear` (integer, optional, nullable)
- `funcstat` (string, optional, nullable) — US Census functional status code.
- `createdAt` (string, optional)
- `updatedAt` (string, optional)
- `custom` (map from string to any, optional) — Custom field values keyed by property keyName. This includes only customer-defined custom columns (see GET /properties?record_type=ahj). Built-in catalog AHJ fields (turnaround, website, fees, notes, etc.) are exposed as top-level fields on the AHJ object and are read-only.

## Errors

### 401 Unauthorized Error

Authentication failed

- `message` (string, optional)
- `code` (enum, optional)
  - Allowed values: `BAD_GATEWAY`

### 404 Not Found Error

Resource not found

- `message` (string, optional)
- `code` (enum, optional)
  - Allowed values: `BAD_GATEWAY`

### 502 Bad Gateway Error

Bad gateway — an upstream service request failed

- `message` (string, optional)
- `code` (enum, optional)
  - Allowed values: `BAD_GATEWAY`

## Examples

**Response**

```json
{
  "id": 1,
  "uuid": "string",
  "name": "string",
  "type": "STATE",
  "country": "string",
  "state": "string",
  "stateName": "string",
  "parentCounty": "string",
  "geoId": "string",
  "ahjRegistryCode": "string",
  "isActive": true,
  "isPrivate": true,
  "pointOfContact": "string",
  "submissionMethod": "string",
  "emails": [
    "string"
  ],
  "phones": [
    "string"
  ],
  "address": "string",
  "website": "string",
  "portal": "string",
  "turnaround": 1,
  "fees": "string",
  "notes": "string",
  "permitSubmissionNotes": "string",
  "buildingCodeModel": "string",
  "buildingCodeLocal": "string",
  "residentialCodeModel": "string",
  "residentialCodeLocal": "string",
  "fireCodeModel": "string",
  "fireCodeLocal": "string",
  "electricalCodeModel": "string",
  "electricalCodeLocal": "string",
  "windCodeModel": "string",
  "windCodeLocal": "string",
  "codesOther": "string",
  "firePathwaysEnforced": true,
  "electricalEngineerStampRequired": true,
  "structuralStampRequired": true,
  "climateZone": "string",
  "ashraeMinTempC": 1.1,
  "ashraeMaxTempC": 1.1,
  "ashraeMinTempF": 1.1,
  "ashraeMaxTempF": 1.1,
  "centroidLatitude": 1.1,
  "centroidLongitude": 1.1,
  "landAreaSqMiles": 1.1,
  "specialZones": [
    "string"
  ],
  "buildingDeptHours": [
    "string"
  ],
  "tigerYear": 1,
  "funcstat": "string",
  "createdAt": "2024-01-15T09:30:00Z",
  "updatedAt": "2024-01-15T09:30:00Z",
  "custom": {}
}
```

**SDK Code**

```python
import requests

url = "https://api.coperniq.io/v1/ahjs/ahj_id"

headers = {"x-api-key": "<apiKey>"}

response = requests.get(url, headers=headers)

print(response.json())
```

```javascript
const url = 'https://api.coperniq.io/v1/ahjs/ahj_id';
const options = {method: 'GET', headers: {'x-api-key': '<apiKey>'}};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.coperniq.io/v1/ahjs/ahj_id"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("x-api-key", "<apiKey>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.coperniq.io/v1/ahjs/ahj_id")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["x-api-key"] = '<apiKey>'

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.get("https://api.coperniq.io/v1/ahjs/ahj_id")
  .header("x-api-key", "<apiKey>")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.coperniq.io/v1/ahjs/ahj_id', [
  'headers' => [
    'x-api-key' => '<apiKey>',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.coperniq.io/v1/ahjs/ahj_id");
var request = new RestRequest(Method.GET);
request.AddHeader("x-api-key", "<apiKey>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["x-api-key": "<apiKey>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://api.coperniq.io/v1/ahjs/ahj_id")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```

> Official Coperniq API documentation. Build integrations for solar and construction project management — projects, opportunities, work orders, invoices, webhooks, and more.