Question: Is there a boilerplate that offers a Node.js backend and protects API keys, while also providing OpenAI request endpoints?

If you're looking for a boilerplate that includes a Node.js backend and protects API keys and offers OpenAI request endpoints, WrapFast is a good choice. It's intended to accelerate iOS app development, particularly for AI-infused apps, with prewritten code for authentication, onboarding, in-app purchases and paywalls. It integrates with OpenAI Vision, ChatGPT and DALL·E for more sophisticated AI abilities and protects API keys with a Node.js backend. The boilerplate also includes support for a cloud database, analytics with Firestore and Firebase, and customizable settings.

Another contender is Amplication, an open-source tool for .NET and Node.js app development. Amplication uses AI-powered generation to generate production-ready backends in a matter of minutes, with full-featured GraphQL and REST APIs, role-based access control, microservices support and continuous Git sync. It's also designed to be easily customizable and modifiable of generated code and comes with an automatically generated React Admin UI for data models. It's a good choice for developers who want to build scalable and consistent applications while still having the flexibility and security of open-source software.

If you're looking for a more general-purpose development environment, check out Pipedream. Pipedream lets you build complex applications by connecting to more than 2,100 APIs with npm and PyPI packages. It lets you run your own code with Node.js, Python, Go or Bash and offers instant deployment with no server management required. Pipedream supports a wide range of APIs, including OpenAI, and offers a range of pricing plans to suit your needs, so it's a good option for developers who need flexibility and easy integration.

Last, SaaSBold is a full-stack, production-ready SaaS boilerplate built on Next.js, React and Node.js. It includes necessary integrations and features to make SaaS product development easy, such as OpenAI SDK integration, multidimensional authentication and support for Stripe and LemonSqueezy for payments and subscriptions. With features like transactional emails, admin dashboard, and SEO and performance optimization, SaaSBold is a good option for building and deploying SaaS applications quickly.