API Best Practices

Last updated: June 19, 2026

  1. Do not overwork your server. Limit the number of requests you send.
  2. Reference the Keys of the data objects returned, not the index.
  3. On occasion, we add properties to the data objects. Build your application to allow for the addition of new properties.
  4. Do not share API Keys. Each API Key should be unique to each instance of an integration application.
  5. Be sure to configure your Firewall and Proxy servers: How to Configure Your Firewall and Proxy Servers for L2L