const response = await fetch('https://api.dronelist.io/v1/equipment/eq_abc123', {
  headers: { 'X-API-Key': 'dl_your_key_here' }
});

if (!response.ok) {
  const error = await response.json();

  switch (response.status) {
    case 401:
      // Invalid or expired API key
      throw new Error('Authentication failed');
    case 403:
      // Key lacks required scope
      throw new Error(`Insufficient permissions: ${error.error.message}`);
    case 404:
      // Resource not found
      return null;
    case 429:
      // Rate limited — retry after reset
      const resetAt = Number(response.headers.get('X-RateLimit-Reset'));
      // ... wait and retry
      break;
    default:
      throw new Error(`API error: ${error.error.message}`);
  }
}

const data = await response.json();

import requests

response = requests.get(
    'https://api.dronelist.io/v1/equipment/eq_abc123',
    headers={'X-API-Key': 'dl_your_key_here'}
)

if response.status_code == 200:
    data = response.json()
elif response.status_code == 401:
    raise Exception('Authentication failed')
elif response.status_code == 404:
    data = None
elif response.status_code == 429:
    # Rate limited — check X-RateLimit-Reset header
    pass
else:
    error = response.json()
    raise Exception(f"API error: {error['error']['message']}")