The Sudo API and Dashboard are available in two environments:

EnvironmentSandboxProduction
Dashboard URLhttps://app.sandbox.sudo.cardshttps://app.sudo.africa
API URLhttps://api.sandbox.sudo.cardshttps://api.sudo.africa
Vault URLhttps://vault.sudo.africahttps://vault.sudo.cards
VGS Script<script type="text/javascript" src="https://js.securepro.xyz/sudo-show/1.1/ACiWvWF9tYAez4M498DHs.min.js"></script><script type="text/javascript" src="https://js.securepro.xyz/sudo-show/1.1/ACiWvWF9tYAez4M498DHs.min.js"></script>
Vault IDwe0dsa28svdl2xefo5

The sandbox environment contains special API operations that allow you to easily test and simulate different activities, from account payments to card payments. You can find the full reference under Simulations.