curl -X PATCH "https://api.usegately.com/api/v1/members/mem_abc123" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "full_name": "John Smith",
    "plan_id": "plan_enterprise",
    "metadata": {
      "upgraded_at": "2024-01-20"
    }
  }'

const response = await fetch('https://api.usegately.com/api/v1/members/mem_abc123', {
  method: 'PATCH',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    full_name: 'John Smith',
    plan_id: 'plan_enterprise',
    metadata: {
      upgraded_at: '2024-01-20'
    }
  })
})

const data = await response.json()

{
  "success": true,
  "data": {
    "id": "mem_abc123",
    "email": "john@example.com",
    "full_name": "John Smith",
    "status": "active",
    "plan_id": "plan_enterprise",
    "metadata": {
      "company": "Acme Inc",
      "upgraded_at": "2024-01-20"
    },
    "updated_at": "2024-01-20T16:00:00Z"
  }
}

{
  "success": false,
  "error": "Member not found",
  "code": "NOT_FOUND"
}