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

# API Introduction

> Getting started with the Handled API

## Base URL

All API requests use:

```
https://api.usehandled.io/api/v1/ipaas
```

<Note>
  HTTPS is required for all requests. HTTP requests are rejected.
</Note>

## Request Headers

Include these headers with every request:

```
Content-Type: application/json
Accept: application/json
Authorization: Bearer <your-api-token>
```

## API Structure

The API is organized into these sections:

### Core Concepts

* [Authentication](/api-reference/authentication) - Bearer token authentication
* [Pagination](/api-reference/pagination) - Cursor-based pagination
* [Query Parameters](/api-reference/query-parameters) - Filtering and sorting
* [Rate Limits](/api-reference/rate-limits) - Request throttling
* [Error Handling](/api-reference/errors) - Error responses

### Admin APIs

* Integrated Accounts - Manage connected accounts
* Integrations - Manage installed integrations
* Webhooks - Configure event notifications
* Sync Jobs - Manage data synchronization
* Workflows - Automate actions

### Unified APIs

Standardized APIs across commerce categories:

| Category      | Description                      |
| ------------- | -------------------------------- |
| WMS           | Warehouse Management             |
| Ecommerce     | Shopify, Amazon, Walmart, TikTok |
| Shipping      | DHL, UPS, FedEx, USPS            |
| Billing       | Payment systems                  |
| Sales         | CRM & orders                     |
| Finance       | Accounting                       |
| Communication | Email & SMS                      |
| Marketing     | Ads & campaigns                  |
| Analytics     | Data & insights                  |
| Productivity  | Workflow tools                   |

Each category provides consistent endpoints for listing, retrieving, creating, updating, and deleting resources.