SERP Metrics provides you with API basics, authentication and callbacks.
You will be provided with API basics related to full SERP tracking workflow, API requests, rate limiting requests and API response. You will also be provided with authentication parameters using simple time-based authentication mechanism that includes generated authentication signature, API key and time stamps. You also have the option of being supplied with callback URI. There are several callback parameters available.
Take the opportunity of the current simplified pricing and sign up to SERP Metrics at a small fee that is tailored to your suited service option.