> ## Documentation Index
> Fetch the complete documentation index at: https://docs.keystoneb2b.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Documentation for the Keystone B2B app and partner APIs.

Keystone B2B helps wholesale brands, sales reps, and retail buyers manage accounts, orders, inventory, and reporting in one place. Partners can also integrate via server-to-server APIs.

## App guides

<CardGroup cols={2}>
  <Card title="Getting started" icon="rocket" href="/app-guide/getting-started">
    Sign in, understand your role, and navigate the app.
  </Card>

  <Card title="Buyer portal" icon="user" href="/app-guide/buyer-portal">
    What retail buyers see and do in Keystone.
  </Card>

  <Card title="Placing orders" icon="cart-shopping" href="/features/placing-orders">
    Catalog ordering, drafts, and order processing.
  </Card>

  <Card title="Returns" icon="rotate-left" href="/features/returns">
    Submit, approve, and track return requests.
  </Card>

  <Card title="Rep follow-ups" icon="bell" href="/features/rep-follow-ups">
    Dashboard widgets and reports for accounts needing attention.
  </Card>

  <Card title="Forecasts" icon="chart-line" href="/features/forecasts">
    Sales forecasts by rep and month.
  </Card>

  <Card title="Gus (AI assistant)" icon="sparkles" href="/features/ai-assistant">
    Ask questions about your orders, accounts, and inventory.
  </Card>
</CardGroup>

## Integrations

<CardGroup cols={2}>
  <Card title="Shopify" icon="shopify" href="/integrations/shopify">
    Connect a Shopify store for products, orders, and inventory.
  </Card>

  <Card title="QuickBooks" icon="file-invoice" href="/integrations/quickbooks">
    Invoice and customer sync with QuickBooks Online.
  </Card>

  <Card title="Deposco" icon="warehouse" href="/integrations/deposco">
    Warehouse on-hand inventory from Deposco WMS.
  </Card>

  <Card title="Luminous" icon="database" href="/integrations/luminous">
    Full ERP sync for products, orders, and POs.
  </Card>

  <Card title="Flexport" icon="ship" href="/integrations/flexport">
    Purchase order sync for incoming inventory.
  </Card>
</CardGroup>

## Partner APIs

<CardGroup cols={2}>
  <Card title="Inventory API" icon="boxes-stacked" href="/inventory-api/overview">
    Real-time sellable inventory by SKU, region, and incoming PO ETA.
  </Card>
</CardGroup>

## Base URLs

| Service       | URL                                       |
| ------------- | ----------------------------------------- |
| Keystone app  | `https://app.keystoneb2b.io`              |
| Inventory API | `https://api.keystoneb2b.io/v1/inventory` |
| Documentation | `https://docs.keystoneb2b.io`             |

## Getting API access

Inventory API keys are issued per tenant by the Keystone team. Keys are **server-side only** — never embed them in client apps or browsers.

Contact your Keystone account representative or email [support@keystoneb2b.io](mailto:support@keystoneb2b.io) to request credentials.