Discover Stainless: The Ultimate SDK Generator for Developers

In the fast-paced world of software development, efficiency and quality often go hand in hand. API developers, in particular, face the constant challenge of providing their users with typesafe client libraries that are both robust and idiomatic to their programming language. This is where Stainless makes a grand entrance, offering a seamless solution for generating best-in-class SDKs without detracting from your core API development tasks.

The Essence of Stainless

Stainless is a tool designed to empower API developers by automating the creation of Software Development Kits (SDKs). The primary aim is to speed up integration processes, facilitate broader feature adoption, encourage quicker upgrades, and establish trust in your engineering quality. With Stainless, you gain the capability to deliver SDKs that appear as though they were meticulously handcrafted by language experts.

Key Features of Stainless

  • Robust and Polished SDKs: Stainless takes pride in producing SDKs that not only meet but exceed developer expectations. Each library is enriched with features such as rich types for enhanced autocomplete and documentation, auto-pagination for handling large datasets, auto-retry mechanisms with backoff for reliability, seamless authentication processes, and much more.

  • Simple Starting Process: To kick things off with Stainless, all you need is your OpenAPI spec. It doesn't have to be in perfect shape. Stainless will help you create a starter configuration file that sets the stage for naming standardizations and core functionalities like pagination and authentication.

  • Customization and Iteration: Stainless understands that one size does not fit all. It offers customization options for the Stainless configuration, enabling you to tweak names, documentation, and other aspects to better align with your and your developers' needs.

  • Automated Updates: Keeping your SDKs up-to-date is made effortless with Stainless. By pushing your updated OpenAPI spec through GitHub Actions or a similar process, Stainless regenerates your SDK and prepares a pull request for you.

  • Hassle-Free Publishing: Once you approve the PR, Stainless takes care of automatically releasing the new SDK versions to your GitHub repositories and package managers like npm, pypi, or maven. You retain code ownership, automation eliminates the mundane tasks, and your security team stays content.

How Companies Benefit from Stainless

Several API companies have already reaped the benefits of using Stainless for their SDK generation needs. For instance, OpenAI’s Developer Platform highlights the significant reduction in pre-existing issues and enhancements in SDK quality. Not only does this tool streamline development cycles, but it also translates to considerable savings in engineering salaries annually.

The Future with Stainless

Looking ahead, Stainless is not resting on its laurels. They are in the process of developing a full-stack TypeScript API Framework inspired by the internal framework used at Stripe. This upcoming framework promises to enable developers to create exceptional REST APIs with built-in features like end-to-end type safety, pagination, authentication, and more, reinforcing Stainless’s promise to provide tools that significantly cut down development time and effort.

For more information about getting started with Stainless or learning about their upcoming API framework, you can visit their official website.

Pros and Cons of Using Stainless


  • Significantly accelerates SDK generation and integration.
  • Offers high customization for SDKs to align with developer and company needs.
  • Automates updates and publishing, reducing manual effort and potential errors.
  • Impacts positively on developer satisfaction and trust in engineering quality.


  • Requires an initial setup and familiarization with the Stainless configuration.
  • Relies on an accurate OpenAPI specification for optimal results.

In a nutshell, Stainless provides a powerful, automated solution for creating SDKs that satisfy the highest standards of quality and efficiency. Adopting Stainless could be a pivotal strategy for API developers aiming to enhance their productivity and focus on innovation rather than the intricacies of SDK maintenance.

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