> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sp3ndpay.shop/llms.txt
> Use this file to discover all available pages before exploring further.

# API Overview

> Partner API for integrating Sp3ndPay checkout

## Introduction

The Sp3ndPay API enables crypto checkout for Amazon and eBay products in your application.

**Base URL:** `https://api.sp3ndpay.shop/v1`

## Key Features

<CardGroup cols={2}>
  <Card title="Product Preview" icon="eye">
    Fetch product details from URLs
  </Card>

  <Card title="Cart Management" icon="cart-shopping">
    Create checkout carts
  </Card>

  <Card title="Order Processing" icon="file-invoice">
    Generate orders and payments
  </Card>

  <Card title="Tracking" icon="truck-fast">
    Monitor order status
  </Card>
</CardGroup>

## Workflow

<Steps>
  <Step title="Preview">
    Fetch product from marketplace URL
  </Step>

  <Step title="Cart">
    Create cart with pricing
  </Step>

  <Step title="Order">
    Generate order with delivery
  </Step>

  <Step title="Track">
    Monitor order progress
  </Step>
</Steps>

## Authentication

All requests require API key:

```bash theme={null}
Authorization: Bearer sp3ndpay_live_xxx
```

<Warning>
  Never expose API keys in browser code. Use backend only.
</Warning>

## Rate Limits

| Tier       | Requests/Min |
| ---------- | ------------ |
| Free       | 60           |
| Pro        | 600          |
| Enterprise | Custom       |

## Getting Started

<Card title="Authentication" icon="key" href="/api-reference/authentication">
  Set up API authentication
</Card>