# Introduction

Welcome to the Zaits API documentation. Build powerful applications with our AI-powered Face Recognition, OCR, Email Verification, and Document Signing APIs.

## Quick Start

Get up and running in minutes:

1. [Sign up](https://zaits.net) for your free account
2. [Generate your API key](/api/getting-started/authentication.md#getting-your-api-key)
3. [Make your first API call](/api/getting-started/quickstart.md)

## Documentation

### Getting Started

* [Authentication](/api/getting-started/authentication.md) - API keys, permissions, and security
* [Quick Start Guide](/api/getting-started/quickstart.md) - Your first API call in 5 minutes

### API Reference

* [Face Recognition API](/api/api-reference/face.md) - Verify, analyze, and detect faces
* [Face Matching API](/api/api-reference/face-matching.md) - Biometric identification (1:1 and 1:n)
* [OCR API](/api/api-reference/ocr.md) - Extract text from documents and images
* [Email Verification API](/api/api-reference/email.md) - Validate emails (syntax, MX, disposable, role, suggestion, optional SMTP probe)
* [Document Signing API](/api/api-reference/document-signing.md) - Electronic signature workflows
* [Mexican Government Services API](/api/api-reference/mexico-services.md) - CURP and INE validation
* [Webhook API](/api/api-reference/webhooks.md) - Real-time event notifications
* [Usage & Analytics API](/api/api-reference/usage-analytics.md) - Monitor your API usage

### Guides & Examples

* [Use Cases](/api/guides/use-cases.md) - Real-world implementation examples
* [Best Practices](/api/guides/best-practices.md) - Optimization and security tips
* [Error Handling](/api/guides/error-handling.md) - Robust error management
* [Rate Limits](/api/guides/rate-limits.md) - Understanding and managing limits

### Code Examples

* [JavaScript Examples](/api/code-examples/javascript.md)
* [Python Examples](/api/code-examples/python.md)
* [cURL Examples](/api/code-examples/curl.md)
* [Integration Patterns](/api/code-examples/integration-patterns.md)

## API Endpoint

**Base URL:** `https://api.zaits.net`

**Status:** Check system status in your [dashboard](https://zaits.net)

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