# API reference

## Frequently Used References

{% content-ref url="api-reference/classes/classmedcrypt-guardian-guardian" %}
[classmedcrypt-guardian-guardian](https://docs.medcrypt.com/api-reference/api-reference/classes/classmedcrypt-guardian-guardian)
{% endcontent-ref %}

{% content-ref url="api-reference/classes/classmedcrypt-guardian-service" %}
[classmedcrypt-guardian-service](https://docs.medcrypt.com/api-reference/api-reference/classes/classmedcrypt-guardian-service)
{% endcontent-ref %}

{% content-ref url="api-reference/classes/classmedcrypt-guardian-session" %}
[classmedcrypt-guardian-session](https://docs.medcrypt.com/api-reference/api-reference/classes/classmedcrypt-guardian-session)
{% endcontent-ref %}

{% content-ref url="api-reference/classes/classmedcrypt-guardian-channelguard" %}
[classmedcrypt-guardian-channelguard](https://docs.medcrypt.com/api-reference/api-reference/classes/classmedcrypt-guardian-channelguard)
{% endcontent-ref %}

{% content-ref url="api-reference/classes/classmedcrypt-guardian-secureoperation" %}
[classmedcrypt-guardian-secureoperation](https://docs.medcrypt.com/api-reference/api-reference/classes/classmedcrypt-guardian-secureoperation)
{% endcontent-ref %}