# Arqqin ## Docs - [API Tools & Downloads](https://docs.arqq.in/api-tools.md): Download Postman collections, view API specifications, and access developer tools for the Arqqin API - [Authentication](https://docs.arqq.in/authentication.md): The Arqqin Parking Management API uses API key authentication for secure access to endpoints. All requests must include a valid API key in the request header. - [Changelog](https://docs.arqq.in/changelog.md): Track all changes, updates, and new features in the Arqqin Parking Management API. - [Company Registration Guide](https://docs.arqq.in/guides/company-registration.md): Learn how to register your property management company with the Arqqin platform and set up your first admin user. - [Error Handling](https://docs.arqq.in/guides/error-handling.md): This guide covers error handling best practices, common error scenarios, and troubleshooting techniques for the Arqqin Parking Management API. - [Integration Examples](https://docs.arqq.in/guides/integration-examples.md): Real-world integration examples and SDKs for the Arqqin Parking Management API - [Location Management Guide](https://docs.arqq.in/guides/location-management.md): Learn how to manage parking locations in your company portfolio using the Arqqin API. - [Whitelist Management Guide](https://docs.arqq.in/guides/whitelist-management.md): This guide provides comprehensive information about managing vehicle whitelists using the Arqqin Parking Management API. Learn about the reference-based architecture, validation rules, and best practices. - [API Introduction](https://docs.arqq.in/introduction.md): Learn about the Arqqin Parking Management API for managing vehicle whitelists and parking access control - [Quickstart Guide](https://docs.arqq.in/quickstart.md): Get up and running with the Arqqin Parking Management API in just a few minutes. This guide will walk you through making your first API calls and managing vehicle whitelists. - [Rate Limits](https://docs.arqq.in/rate-limits.md): The Arqqin Parking Management API implements rate limiting to ensure fair usage and maintain service quality for all users. - [Support](https://docs.arqq.in/support.md): Need help with the Arqqin Parking Management API? We're here to assist you with integration, troubleshooting, and any questions you may have. ## OpenAPI Specs - [openapi](https://docs.arqq.in/openapi.json)