# Limitly Documentation ## Docs - [Development](https://docs.limitly.dev/development.md): Development guide for using Limitly SDKs - [Welcome to Limitly](https://docs.limitly.dev/index.md): API Key management, plans, users and request validation for your API - [Quickstart](https://docs.limitly.dev/quickstart.md): Get started with Limitly in minutes - [API Key Management](https://docs.limitly.dev/rest-api/api-keys.md): Manage API keys for your users via the REST API - [API Authentication](https://docs.limitly.dev/rest-api/authentication.md): Learn how to authenticate with the Limitly API - [Plans](https://docs.limitly.dev/rest-api/plans.md): Create and manage usage plans via the REST API - [API Reference](https://docs.limitly.dev/rest-api/reference.md): Complete reference for the Limitly REST API - [Users](https://docs.limitly.dev/rest-api/users.md): Manage user accounts via the REST API - [Request Validation](https://docs.limitly.dev/rest-api/validation.md): Validate user requests via the REST API - [API Key Management](https://docs.limitly.dev/sdk/api-keys.md): Generate, manage, and track API keys for your users - [Authentication](https://docs.limitly.dev/sdk/authentication.md): Learn how to authenticate with the Limitly API - [SDK Installation](https://docs.limitly.dev/sdk/installation.md): Install and set up the Limitly SDK for your project - [Next.js SDK API Key Management](https://docs.limitly.dev/sdk/nextjs/api-keys.md): Manage API keys using the Limitly Next.js SDK - [Next.js SDK Authentication](https://docs.limitly.dev/sdk/nextjs/authentication.md): Learn how to authenticate with the Limitly API using the Next.js SDK - [Next.js SDK Installation](https://docs.limitly.dev/sdk/nextjs/installation.md): Install and set up the Limitly Next.js SDK for your project - [Next.js SDK Middleware](https://docs.limitly.dev/sdk/nextjs/middleware.md): Use built-in middleware for rate limiting in Next.js applications - [Next.js SDK Plans](https://docs.limitly.dev/sdk/nextjs/plans.md): Manage usage plans using the Limitly Next.js SDK - [Next.js SDK Users](https://docs.limitly.dev/sdk/nextjs/users.md): Manage user accounts using the Limitly Next.js SDK - [Next.js SDK Request Validation](https://docs.limitly.dev/sdk/nextjs/validation.md): Learn how to validate requests using the Limitly Next.js SDK - [Plans](https://docs.limitly.dev/sdk/plans.md): Create and manage usage plans for your users - [Python SDK API Key Management](https://docs.limitly.dev/sdk/python/api-keys.md): Manage API keys using the Limitly Python SDK - [Python SDK Authentication](https://docs.limitly.dev/sdk/python/authentication.md): Learn how to authenticate with the Limitly API using the Python SDK - [Python SDK Installation](https://docs.limitly.dev/sdk/python/installation.md): Install and set up the Limitly Python SDK for your project - [Python SDK Middleware](https://docs.limitly.dev/sdk/python/middleware.md): Use middleware for rate limiting in Python web frameworks - [Python SDK Plans](https://docs.limitly.dev/sdk/python/plans.md): Manage usage plans using the Limitly Python SDK - [Python SDK Users](https://docs.limitly.dev/sdk/python/users.md): Manage user accounts using the Limitly Python SDK - [Python SDK Request Validation](https://docs.limitly.dev/sdk/python/validation.md): Learn how to validate requests using the Limitly Python SDK - [Users](https://docs.limitly.dev/sdk/users.md): Manage user accounts and track their usage - [Request Validation](https://docs.limitly.dev/sdk/validation.md): Learn how to validate requests using the Limitly SDK