Stainless
Stainless is an infrastructure company in New York, United States, founded in 2022. It has raised $28.5M across 2 rounds, most recently a $25.0M Venture Round in December 2024.
Best-in-class developer interfaces for your API
- Headquarters
- New York, New York
- Employees
- 11–50
- Founded
- 2022
- Business Model
- B2B
- Website
- stainless.com
- Total Funding
- $28.5M
- Last Round
- $25.0M Venture RoundDec 2024
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 2 investors for this company. The full record is or through the API.
About
Stainless generates production-ready, idiomatic SDKs in TypeScript, Python, Go, Java, Kotlin, Ruby, PHP, C#, and more from OpenAPI specs, handling HTTP, retries, streaming, and pagination automatically. The platform also produces API documentation sites and MCP servers from the same spec, and is trusted by companies including OpenAI, Anthropic, Cloudflare, and Google to power their developer interfaces.
Summary
It lists 11–50 employees. It has raised $28.5M in total across 2 rounds, most recently a $25.0M Venture Round in Dec 2024. Investors include Sequoia Capital and The General Partnership.
Tech & App Stack
5 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Dec 2024
Sign up to see all 2 events
Funding: Seed through Venture Round. Amounts, valuations, and investors where available.
Investors
Similar Companies
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artifi...
Databricks provides a unified data and AI platform that helps enterprises build and run applicati...
Qlik helps organizations turn trusted, contextual data into insights and actions through an integ...
SASE (Secure Access Service Edge) platform converging enterprise networking and security capabili...
Appears in
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/stainless"><img src="https://indexed.vc/api/badge/company/stainless" alt="Stainless on Indexed.vc" width="260" height="76" /></a>