Participated · Series A · Dec 2024

Stainless uses AI to generate SDKs from API specs automatically, producing libraries in languages such as Python, TypeScript, Kotlin, and Go. Its platform pushes updates as APIs evolve and supports versioning and changelogs, while generating an initial config teams can fine-tune. Customers include OpenAI, Anthropic, Meta, Runway, Groq, Cerebras, Modern Treasury, and Cloudflare. Stainless reports “hundreds” of paying customers and says its SDKs are downloaded tens of millions of times every week; most customers pay for its enterprise tier. Pricing ranges from a free single-SDK option up to $250/month to $30,000/year for multi-SDK packages. The company’s annual recurring revenue is hovering around $1 million and it is nearing profitability as it pursues a broader API platform vision beyond SDKs. Stainless ingests API specs and produces polished SDKs across languages like Python, TypeScript, Kotlin, Go and Java, while handling versioning and changelogs as APIs evolve. The product uses generative AI to produce an initial configuration that customers can fine‑tune, which the founder says is especially valuable for AI companies with novice developers. Customers include OpenAI, Anthropic, Together AI, Lithic, LangChain, Orb, Modern Treasury and Cloudflare; the company reports “dozens” of paying clients in its beta. Some generated SDKs — notably OpenAI’s Python SDK — are receiving millions of downloads per week. Stainless monetizes via a free single‑SDK publishing tier and a paid enterprise tier (most customers pay enterprise), with pricing ranging from $250/month to $30,000/year. Founder Alex Rattray bootstrapped the business with revenue from day one, and annual recurring revenue is hovering around $1 million; he expects the company could be profitable as soon as this year and plans to expand the product line and headcount.

Participated · Seed · Jul 2024

Redactive is an AI-augmented application developer that eliminates the need for developers to learn, implement, and maintain specialized data engineering knowledge. The company's platform enables customers to build scalable, secure AI-augmented applications and helps organizations create employee productivity use cases. The article reports that Redactive recently raised $11.5 million in a seed round. Named investors include Blackbird Ventures (Australia), Felicis Ventures, Atlassian Ventures, and Zapier. The article does not detail future plans or disclose operational metrics, revenue, user counts, founding year, or company location.

Participated · Seed · Jan 2021

Stacker provides a no-code platform that automatically turns spreadsheets, SQL databases, Salesforce and other business data into functional web apps that users can then tweak. The product targets business operators who need customer portals, internal tools and process-driven applications without engineering hand-holding. The company released the first version of its current product at the end of 2019 and emphasizes tight integration with the data businesses already use. Stacker is remote-first (CEO in London, co-founder in Geneva) and was founded in 2017. It currently has 19 employees and plans to use new capital to grow the team to 30–40 by year-end while pursuing a vision of becoming the standard software-development tool for business units. Financially, the company has just closed a priced institutional round that increases its total capital raised to date. Stacker provides a no-code app layer that turns spreadsheets and database interfaces into user-friendly web apps and portals, adding features such as user logins and access controls. It connects to Google Sheets and Airtable today and is rolling out early-alpha support for Intercom, Stripe, and SQL databases. Typical use cases include customer portals, customized CRMs, learning platforms, marketplaces, and field-worker apps. Clients include Segment and ProjectN95, among others. The company plans to expand integrations to cover the most popular SaaS tools and data sources over the next year. Stacker, which pivoted from a drag-and-drop app builder after participating in Y Combinator summer 2020, announced it has raised $1.7 million in new funding. Stacker is a UK-based provider of a modular app development platform that enables developers to build web applications using spreadsheets, animated slide decks and email filters. The system currently supports data from Airtable and the company aims to add integrations with other web products such as Salesforce and Stripe. Stacker was co-founded by Sam Davyson, Michael Skelly and Louis Barclay. In October 2019 the company raised €1.2m in seed funding led by Pentech with participation from angel investor Charlie Songhurst. The company said it will use the funds to bring its new product to market.