📡 API Documentation

Integrate Invoisa license validation into your application.

🔐 Authentication

All API requests require a valid license key passed as a query parameter or in the request body.

GET /api/license/validate?key=YOUR_LICENSE_KEY&domain=yourdomain.com

✅ Validate License

GET /api/license/validate

Parameters

Param Type Required Description
key string Yes Your license key
domain string Yes Domain to validate against

Success Response (200)

{
      "valid": true,
      "license": {
        "key": "XXXX-XXXX-XXXX",
        "plan": "Professional",
        "domain": "yourdomain.com",
        "expires_at": "2025-12-31",
        "status": "active"
      }
    }

Error Response (403)

{
      "valid": false,
      "message": "License is expired or domain mismatch."
    }

🔑 Activate License

POST /api/license/activate

Parameters

Param Type Required Description
key string Yes Your license key
domain string Yes Domain to bind 
{
      "success": true,
      "message": "License activated for yourdomain.com"
    }

⚡ Rate Limits

API requests are rate-limited to 60 requests per minute per IP. Exceeding this will return a 429 Too Many Requests response.

💻 Quick Integration (PHP)

$response = file_get_contents(
        'https://yourdomain.com/api/license/validate?' .
        http_build_query([
            'key'    => 'YOUR_LICENSE_KEY',
            'domain' => $_SERVER['HTTP_HOST'],
        ])
    );

    $data = json_decode($response, true);

    if ($data['valid'] ?? false) {
        // License is valid — proceed
    } else {
        die('Invalid license: ' . ($data['message'] ?? 'Unknown error'));
    }