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Stainless Analysis: $25M Raised

What is Stainless?

Stainless generates idiomatic SDKs from OpenAPI specifications, enabling faster API adoption and integration. The company focuses on creating robust SDKs that handle HTTP requests and streaming effectively, drawing on expertise from the team behind Stripe's code generation system.
Employees
11-50
Founded
2022
Industry
Devtools, SaaS
Valuation
$20.0M
Free Plan Availability
Yes
Is Development Tool
Yes
Latest Funding Amount
$25,000,000
Latest Funding Round Size
$25.0M
Selfserve Signup
Yes

Product Features & Capabilities

  • SDK generation for TypeScript, Python, Go, Java, Kotlin, Ruby, Terraform
  • MCP generation from OpenAPI specs
  • Customizable SDK configurations

How much Stainless raised

Funding Round - $25.0M

Recent

Other Considerations

Trusted by top API companies like OpenAI and Cloudflare; Significant annual savings in engineering costs reported by clients; Plans to launch a full-stack TypeScript API framework

Reported Clients

The clients reported on Stainless's website include notable companies such as OpenAI, Cloudflare, Modern Treasury, Replicate, MUX, Lithic, Turbopuffer, and Weights & Biases. These companies utilize Stainless to generate idiomatic SDKs for their APIs, which enhances developer experience and accelerates API adoption. For instance, OpenAI has stated, "All our SDKs are generated by them," indicating a strong reliance on Stainless for their SDK needs.

Gtm Strategy

Stainless employs a hybrid go-to-market (GTM) strategy that combines elements of both product-led growth (PLG) and sales-led approaches.

Upon analyzing the Stainless website, it is evident that they prioritize product access through a "Get Started For Free" option, which indicates a self-service model typical of PLG. This allows potential users to engage with their SDKs without immediate sales interaction, reducing friction in the onboarding process. The presence of a demo request option also suggests that they cater to users who may prefer a more guided introduction to the product, aligning with a sales-led approach.

The pricing information is not explicitly detailed on the homepage, but the freemium model indicated by the free trial suggests that small teams can adopt the product independently. This is further supported by customer testimonials that highlight effective SDK usage, indicating a viral adoption potential within teams.

Additionally, the website features educational resources, including documentation and guides, which are characteristic of a PLG strategy, as they empower users to learn and utilize the product effectively on their own. However, the structured demo request process and the emphasis on customer success stories point towards a sales-led strategy aimed at larger enterprises.

Overall, Stainless's approach reflects a balance between enabling rapid user adoption through self-service options and maintaining high-touch relationships for enterprise clients, indicating a well-rounded GTM strategy that caters to diverse customer needs.

Homepage Pricing

The pricing information for Stainless includes a free tier and several paid plans. The free plan allows users to create "5 internal SDKs (any size)" and "5 public SDKs (25 methods)" without requiring a credit card. The paid plans consist of a Starter plan priced at $250/month per live SDK, which supports "up to 50 methods" and offers "unlimited seats." Additionally, there is a Business plan available for $800/month per live SDK, accommodating "up to 200 methods" and providing features like Slack developer support. For larger needs, an Enterprise plan is available with tailored pricing, supporting "any API size" and offering a fully managed SDK service. Overall, the pricing structure is transparent, with clear options for both free and paid tiers.

Tech Stack

Stainless utilizes a variety of technologies in their SDK generation process, primarily focusing on popular programming languages and frameworks. Here are the key technologies identified: ### Programming Languages

  • TypeScript: Frequently mentioned as a primary language for SDK generation.
  • Python: Another major language used for creating SDKs.
  • Kotlin: Included in their SDK offerings, particularly for Android development.
  • Go: Used for building efficient and scalable SDKs.
  • Java: Also part of their SDK generation capabilities.
  • OpenAPI Specifications: The platform operates on a specification-first approach, consuming OpenAPI specs to generate SDKs.
  • CI/CD Pipelines: Stainless API can be integrated into development teams' CI/CD pipelines, indicating a focus on continuous integration and deployment practices.

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