Stainless

Brooklyn, United States Founded: 2022 • Age: 4 yrs
Cloud based API development platform

About Stainless

Stainless is a Technology company based in Brooklyn (United States) founded in 2022 by Alex Rattray. Cloud based API development platform. Stainless has raised $25 million across 1 funding round from investors including MongoDB, Zapier and Andreessen Horowitz. Its chief executive, as recorded, is Alex Rattray. Its focus areas include Enterprise Infrastructure, API Management, API Tools and Development. Its legal entity is STAINLESS SOFTWARE INC. Its competitors include Platformatic, StepZen and StrongLoop; 3 of its 3 listed competitors have raised funding.

Company details

Stainless was founded in 2022 and is headquartered in Brooklyn, United States. The company operates in the software development sector, focusing on cloud-based platforms for API creation. SDKs are generated in real time from OpenAPI specifications, supporting languages such as TypeScript, Java, and Python. Additional features include automated updates and package publishing to streamline API development processes.

  • Headquarters Brooklyn, United States
  • Founders Alex Rattray
  • Sectors
    Technology
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Website stainlessapi.com
  • Social LinkedIn X YouTube
  • Legal Name Stainless Software Inc.
Operational Areas
Key Metrics
  • Total Equity Funding
    $25M (USD)

    in 1 rounds

  • Latest Funding Round
    $25M (USD), Series A

    Dec 2024

  • Investors
    MongoDB

    & 7 more

Apps and channels of Stainless

its YouTube channel Stainless has 76 subscribers and 10 videos.

Stainless
YouTube 76 subscribers 10 videos Science & Technology
Open channel

Videos from Stainless

The most watched videos on Stainless's YouTube channel, Stainless (76 subscribers). Click a video to play it here.

Stainless SDK Studio Walk Through
1.4K views
Using the Modern Treasury MCP Server generated by Stainless
936 views
MCP and the future of AI x API - ft. OpenAI, Anthropic, Stainless
882 views
Intro to MCP | Generating MCP Servers with Stainless
488 views

More on Stainless.

Funding Insights of Stainless

Stainless has successfully raised a total of $25M through 1 strategic funding round. The most recent funding activity was a Series A round of $25 million completed in December 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $25M
  • Total Rounds 1
  • Last Round Series A β€” $25M
  • First Round $25M

    (Dec 2024)

  • Investors Count 8

All 1 funding rounds of Stainless with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Dec 2024$25MSeries A–a16z
Valuation history

8 investors in total: 6 institutional and 2 angel.

Investors in Stainless

Stainless has secured backing from 8 investors, including venture fund, institutional, and angel investors. Prominent investors backing the company include MongoDB, Zapier and Andreessen Horowitz.

All
Venture Fund
Institutional
Angel
InvestorDescriptionFounded YearDomainLocation
Venture capital investments in technology sectors are handled by Andreessen Horowitz.
a16z.com
Sequoia Capital is engaged in venture capital investments.
1972sequoiacap.com
Venture capital firm early-stage investments
thegp.comSan Francisco, United States
Investments in technology startups are made by Felicis Ventures.
felicis.comMenlo Park, United States
No-code automation and AI tools are provided for workflow integration.
2011zapier.comSan Francisco, United States
A cloud-based database-as-a-service platform is provided for application development.
2007mongodb.comNew York, United States

Claire Johnson

unknown_d949efb465244a109

Amit Agarwal

unknown_2fe7331677634e6b9
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Investor details for Stainless

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

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  • Round participation
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Verified entity values are shown only after access is granted.

People of Stainless

15 people are tracked at Stainless (3 in leadership, 12 in team).

NameRoleGroup
Alex Rattray
Founder & CEOLeadership
Eric MacBlane
Head Of Strategy & OperationsLeadership
Mark Mcgranaghan
Head Of EngineeringLeadership
Ryan Paul
Software EngineerTeam
Robert Craigie
Software EngineerTeam
David Meadows
Software EngineerTeam
David Ackerman
Software EngineerTeam
Tomer Aberbach
Software EngineerTeam
Young - Jin Park
Software EngineerTeam
Hao Wang
Software EngineerTeam
Sam El - Borai
Software EngineerTeam
Cj Quines
Software EngineerTeam
Eric Morphis
Software EngineerTeam
Matt Casey
Software EngineerTeam
Brian Krausz
Software EngineerTeam
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Complete people profiles for Stainless

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

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Verified entity values are shown only after access is granted.

Timeline of Stainless

2 dated milestones of Stainless across 2 years, from founding to its latest funding, stage changes and deals.

  1. Founded Stainless is founded.
  2. Funding First funding round of $25.0M.

Competitors of Stainless

Stainless has 3 listed competitors in our database, 3 of them funded. They include Platformatic, StepZen and StrongLoop.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
platformatic.dev2022San Francisco, United States$7.8M
API development software for developers
stepzen.com2016San Jose, United States$8M
Cloud-based API development solution provider
strongloop.com2013San Mateo, United States$9M
API development platform with mBaaS and Node.js tools is offered.
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Detailed competitors of Stainless

The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.

  • Full competitor set
  • Operating metrics
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  • Competitive positioning

Verified entity values are shown only after access is granted.

Web traffic of Stainless

Websites that share an audience with Stainless (stainlessapi.com).

Similar websites

Websites whose visitors overlap most with Stainless. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
stainless.com
stainless.com
100%
#531,549–

Top companies in API Management

3 companies that operate in the same segment as Stainless (API Management) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
API management software is provided for lifecycle development and monitoring.
2004Alameda, California, United StatesUSD 45 M
Cloud-based API management and integration solutions are offered.
2006San Francisco, California, United StatesUSD 259.35 M1,053
Cloud-based API security is delivered via distributed tracing and analytics.
2018San Francisco, California, United StatesUSD 110.25 M
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Related news about Stainless

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Complete news archive for Stainless

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  • Full article archive
  • Source and publication date
  • Older coverage
  • Brand-specific news history

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Frequently Asked Questions about Stainless

Stainless was founded in 2022 and raised its 1st funding round 2 years after it was founded.

Stainless is headquartered in Brooklyn, United States. It is registered at Brooklyn, New York, United States.

Alex Rattray is the CEO of Stainless, as recorded in our data. They have also founded this company.

Stainless is a funded company, having raised a total of $25M across 1 funding round to date. The company's 1st funding round was a Series A of $25M, raised on Dec 2024.

Stainless was founded in 2022 and is headquartered in Brooklyn, United States. The company operates in the software development sector, focusing on cloud-based platforms for API creation. SDKs are generated in real time from OpenAPI specifications, supporting languages such as TypeScript, Java, and Python. Additional features include automated updates and package publishing to streamline API development processes.

Stainless's top competitors include Platformatic, StepZen and StrongLoop.

Stainless has 8 investors. Key investors include MongoDB, Zapier, Andreessen Horowitz, Sequoia Capital, and The General Partnership.

Stainless operates through Stainless Software Inc..

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