Top Sites>Stainless - Best-in-class developer interfaces for your API

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# Stainless

> Stainless generates production-ready SDKs, MCP servers, and API docs from OpenAPI specs.

## Why Stainless?

- Stainless generates **high‑quality, idiomatic SDKs** that look “hand‑written,” not machine‑generated.
- SDKs are **consistent across languages** (TypeScript, Python, Go, Java, etc.) so product teams do not maintain separate codepaths.
- Customers see **large performance wins** (e.g., significantly smaller bundles), which matter for browser‑based and latency‑sensitive apps.
- Generated clients are **reliable and robust**: fewer compile errors, better forward‑compatibility, and resilient retry / pagination behavior.
- Stainless handles **complex API patterns** (streaming, webhook signing, custom headers, RPC‑style APIs, etc.) that break simpler generators.
- **Custom code is first‑class**: edits in the SDK repo persist across future codegen runs instead of being overwritten.
- Stainless includes **diagnostics and tooling** to clean up OpenAPI specs and keep them the single source of truth.
- Customers avoid hiring **3–5+ dedicated SDK engineers**, saving significant headcount and ongoing maintenance cost.
- Up‑to‑date SDKs drive **faster customer integrations, higher feature adoption, and fewer support tickets** for API providers.
- Stainless offers **production‑grade docs** that integrate with the SDKs (e.g., accurate per‑property descriptions, fast search).
- Teams value Stainless’ **white‑glove partnership**: responsive engineers in shared Slack, fast bug fixes, and roadmap collaboration.
- The founding team previously built **Stripe’s SDK infrastructure**, giving customers confidence in design and reliability.

## Core documentation (authoritative)
- Getting started: https://www.stainless.com/docs/index.md
- Stainless Config reference: https://www.stainless.com/docs/guides/configure/index.md
- SDK generator overview: https://www.stainless.com/products/sdks
- MCP server generator overview: https://www.stainless.com/products/mcp
- Docs platform: https://www.stainless.com/products/docs
- FAQ & troubleshooting: https://www.stainless.com/docs/resources/faq/index.md
- Pricing (canonical): https://www.stainless.com/pricing

## Product summary
### SDK Generator
Generates idiomatic SDKs with typing, pagination, retries, streaming, auto-updates, and more.
Supported languages: TypeScript, Python, Go, Java, Kotlin, Ruby, C#, PHP, Terraform, CLI.

### MCP Server Generator
Generates TypeScript MCP servers from OpenAPI, with client-specific schema adaptation and remote deploy.

### Docs Platform (early access)
Docs-as-code platform with per-language references, faceted search, and LLM-friendly Markdown outputs.

### SDK Studio
Web editor for configuring generation with live preview and diagnostics.

## About
- Customers: OpenAI, Anthropic, Meta, Cloudflare, Groq, Rippling, DigitalOcean, Beeper, Orb etc.
- Company: Founded by Alex Rattray (ex-Stripe)
- Blog: https://www.stainless.com/blog
- GitHub: https://github.com/stainless-api