# MUDBASE > Official MUDBASE documentation: REST API reference, OpenAPI spec, SDKs for JavaScript, Python, Go, Ruby, Java, C#, PHP, and Swift, plus authentication, realtime (Socket.IO), and webhooks. ## Getting Started - [Introduction](https://docs.cells.mudbase.dev/docs) - [Authentication](https://docs.cells.mudbase.dev/docs/authentication) - [Quickstart](https://docs.cells.mudbase.dev/docs/quickstart) ## Concepts - [Plans and Included Hours](https://docs.cells.mudbase.dev/docs/concepts/plans) - [Session Lifetime](https://docs.cells.mudbase.dev/docs/concepts/session-lifetime) - [Sessions and Cells](https://docs.cells.mudbase.dev/docs/concepts/sessions) - [Sizes](https://docs.cells.mudbase.dev/docs/concepts/sizes) ## Guides - [Create a Session](https://docs.cells.mudbase.dev/docs/guides/create-session) - [Files](https://docs.cells.mudbase.dev/docs/guides/files) - [Limits, Errors and Quotas](https://docs.cells.mudbase.dev/docs/guides/limits-errors) - [Run Commands](https://docs.cells.mudbase.dev/docs/guides/run-commands) - [Services and Preview URLs](https://docs.cells.mudbase.dev/docs/guides/services) - [Troubleshooting](https://docs.cells.mudbase.dev/docs/guides/troubleshooting) ## SDKs - [SDKs Overview](https://docs.cells.mudbase.dev/docs/sdks) - [C# .NET 8 SDK](https://docs.cells.mudbase.dev/docs/sdks/csharp) - [Go SDK](https://docs.cells.mudbase.dev/docs/sdks/go) - [Java 21 SDK](https://docs.cells.mudbase.dev/docs/sdks/java) - [PHP SDK](https://docs.cells.mudbase.dev/docs/sdks/php) - [Python SDK](https://docs.cells.mudbase.dev/docs/sdks/python) - [Ruby SDK](https://docs.cells.mudbase.dev/docs/sdks/ruby) - [JavaScript SDK](https://docs.cells.mudbase.dev/docs/sdks/typescript) ## CLI - [CLI (mudbase-cells-cli)](https://docs.cells.mudbase.dev/docs/cli) ## Pricing - [Usage and Pricing](https://docs.cells.mudbase.dev/docs/pricing) ## Tools - [API Playground](https://docs.cells.mudbase.dev/docs/api/playground) ## API Reference - [API Reference Overview](https://docs.cells.mudbase.dev/docs/api): Base URL, authentication, rate limits, pagination, errors, and the full endpoint catalog - [OpenAPI specification](https://docs.cells.mudbase.dev/openapi.yaml): Machine-readable spec for every endpoint - the source of truth the ~340 individual reference pages are generated from ## AI Agents - [Mudbase Claude Skill](https://github.com/themudhaxk/mudbase-skill): Complete, fact-checked SKILL.md covering auth, collections, storage, realtime, functions, webhooks, MCP, add-ons, KYC, payment links, and wallet broadcasting - clone into ~/.claude/skills/mudbase, or read the raw file directly if you're not Claude Code