> ## Documentation Index
> Fetch the complete documentation index at: https://invoca-5bd45748-mintlify-8d5425ca.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Basics

> High-level guides to the shared conventions used across the Invoca APIs, covering REST design principles, status codes, error handling, and SAML single sign-on.

<CardGroup>
  <Card title="Design Principles" icon="layer-group" href="/en/latest/basics/design_principles" horizontal />

  <Card title="Error Handling" icon="sensor-triangle-exclamation" href="/en/latest/basics/error_handling" horizontal />

  <Card title="SAML Single Sign-On" icon="shield-check" href="/en/latest/basics/saml_single_sign_on" horizontal />
</CardGroup>