> ## Documentation Index
> Fetch the complete documentation index at: https://docs.keystonecommerce.in/llms.txt
> Use this file to discover all available pages before exploring further.

# Keystone Commerce Partner Integration APIs

> Integration documentation

Keystone Commerce provides APIs for catalog discovery, customer login, checkout, wallet discounts, support tickets, and returns.

<CardGroup cols={2}>
  <Card title="Getting Started" icon="rocket" href="/getting-started">
    Base URL, response envelope, pagination, and health checks.
  </Card>

  <Card title="Authentication" icon="key" href="/authentication">
    API key usage, customer OTP login, token refresh, and logout.
  </Card>

  <Card title="Catalog" icon="boxes-stacked" href="/catalog">
    Categories, products, product detail, and search.
  </Card>

  <Card title="Customers" icon="users" href="/customers">
    Customer profile and address management.
  </Card>

  <Card title="Orders and Payments" icon="credit-card" href="/orders-payments">
    Checkout, order history, payment session creation, and idempotency.
  </Card>

  <Card title="Wallet" icon="wallet" href="/wallet">
    Wallet summary, discount quote, and checkout usage.
  </Card>

  <Card title="Returns and Support" icon="life-ring" href="/returns-support">
    Support tickets, evidence uploads, and return requests.
  </Card>

  <Card title="Errors" icon="triangle-exclamation" href="/errors">
    Authentication, validation, idempotency, and common HTTP errors.
  </Card>
</CardGroup>