> For the complete documentation index, see [llms.txt](https://docs.vida.id/identity-stack/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vida.id/identity-stack/verify/liveness/integration/api/prerequisites.md).

# Prerequisites

### Getting API Credentials

In order to access the authentication API, you will need a client ID and secret

{% hint style="info" %}
**Contact Vida Support**

If you haven't got the API credentials, you can reach out to [<mark style="color:blue;">VIDA support team.</mark>](mailto:support@vida.id)
{% endhint %}

## Environments

Vida supports sandbox and production environments.

### API URLs

<table data-header-hidden><thead><tr><th width="267.5">API</th><th>Sandbox</th></tr></thead><tbody><tr><td>API</td><td>Sandbox</td></tr><tr><td>Authorization Token API</td><td><a href="https://qa-sso.vida.id/auth/realms/vida/protocol/openid-connect/token">https://qa-sso.vida.id/auth/realms/vida/protocol/openid-connect/token</a></td></tr><tr><td>Liveness check Sync API call</td><td><a href="https://services-sandbox.vida.id/biometrics/v2/services/face/liveliness">https://services-sandbox.vida.id/bi<br>ometrics/v2/services/face/livelin<br>ess</a></td></tr></tbody></table>