Introduction

Welcome to the Online Law REST API. Our API provides developers with programmatic access to comprehensive datasets including Bank IFSC codes, Indian Post Office Pincodes, and GST HSN/SAC classifications.

All API responses are returned in standard JSON format. The API is designed to be easy to integrate into your existing applications, websites, or business workflows.

Authentication

To access the API, you must include your API Key in every request as a query parameter. You can track your usage in real-time below.

Bank IFSC API

Retrieve detailed bank branch information using an 11-digit IFSC code.

Request Parameters

Sample Response

{
  "status": "success",
  "data": {
    "bank": "STATE BANK OF INDIA",
    "ifsc": "SBIN0000001",
    "branch": "ADONI",
    "address": "P.B.NO.20, CHHABI COMPLEX, STATION ROAD, ADONI 518301",
    "city1": "ADONI",
    "city2": "KURNOOL",
    "state": "ANDHRA PRADESH",
    "phone": "220133"
  }
}
                        

Pincode API

Search for post office details and localities associated with a specific 6-digit Pincode.

Request Parameters

GST HSN/SAC API

Search for GST Goods (HSN) and Services (SAC) classifications and rates.

Request Parameters

Passport Office API

Locate Passport Seva Kendras (PSK), Post Office Passport Seva Kendras (POPSK), and Regional Passport Offices (RPO).

Request Parameters

Sample Response

{
  "status": "success",
  "data": [
    {
      "name": "PSK PATNA",
      "rpo": "PATNA",
      "state": "Bihar",
      "address": "Gala Diamond Building, Exhibition Road, Patna",
      "phone": "0612-1234567"
    }
  ]
}
                        

Integration Examples

Easily integrate our data into your website or WordPress blog using the snippets below.

• Vanilla JavaScript (AJAX)
• PHP (cURL)
• WordPress

const apiKey = 'YOUR_API_KEY';
const ifsc = 'SBIN0000001';

fetch(`https://olaw.in/api.php?api_key=${apiKey}&action=pincode&pincode=${pin}`)
  .then(response => response.json())
  .then(data => {
    if(data.status === 'success') {
      console.log('Office Name:', data.data[0].office_name);
      console.log('District:', data.data[0].district_name);
    } else {
      console.error('Error:', data.message);
    }
  });
                                

<?php
$apiKey = 'YOUR_API_KEY';
$url = "https://olaw.in/api.php?api_key=$apiKey&action=pincode&pincode=800001";

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
curl_close($ch);

$data = json_decode($response, true);
if ($data['status'] === 'success') {
    echo "Office: " . $data['data'][0]['office_name'];
}
?>
                                

// Add this to your functions.php or a custom plugin
function get_legal_data_from_olaw($pincode) {
    $api_key = 'YOUR_API_KEY';
    $url = "https://olaw.in/api.php?api_key=$api_key&action=pincode&pincode=$pincode";
    
    $response = wp_remote_get($url);
    if (is_wp_error($response)) return false;
    
    $body = wp_remote_retrieve_body($response);
    $data = json_decode($body, true);
    
    return ($data['status'] === 'success') ? $data['data'] : false;
}
                                

Error Codes

Our API uses standard response patterns to indicate errors.

{
  "status": "error",
  "message": "Invalid API Key"
}