# Prerequisites
source: https://developer.mastercard.com/identity-insights-solutions/documentation/tutorials-and-guides/prerequisites/index.md

This guide walks through the prerequisites required to gain access to the Sandbox and Production environments for the Identity Insights Solution API.

Refer to each environment for details:

* [Sandbox](https://developer.mastercard.com/identity-insights-solutions/documentation/tutorials-and-guides/prerequisites/sandbox-prerequisites/index.md)
* [Production](https://developer.mastercard.com/identity-insights-solutions/documentation/tutorials-and-guides/prerequisites/production-prerequisites/index.md)