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

1. To integrate and test against Identity Insights for Transactions in Sandbox, you will need to have:
   1. A Mastercard Developers Account
      1. Be sure to use your corporate email address when creating your account
   2. An ICA and CID assigned by your Mastercard Representative
   3. Authentication and Encryption keys generated for Sandbox
   4. Have access approved by your Mastercard Representative

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2. To go live in Production with Identity Insights for Transactions, you will need to have:
   1. Commercial terms agreed with your Mastercard Representative
   2. Successfully sent transactions to Sandbox
   3. Authentication and Encryption keys generated for Production

**Important:** Please use your corporate email addresses when registering users for Mastercard Developers.

3. If you are having issues attaining any of the above, please contact your [Mastercard Representative](https://developer.mastercard.com/identity-insights-for-transactions/documentation/support/index.md#how-can-i-find-who-is-my-mastercard-representative) for support.