Engineering, Product and Design Startups funded by Y Combinator (YC) in New York 2024

ReadMe provides every company the ability to easily create beautiful documentation, and build loyal, productive developer communities. With ReadMe, build developer portals that combine support, tutorials, topical guides and API exploration. ReadMe makes it trivial to keep docs up-to-date and has community oriented features that help drive adoption. Wanna see what it'd look like to work at ReadMe? Our careers page takes a stab at it! https://readme.com/careers

Veriff is a global online identity verification company that enables organizations to build trust with their customers through intelligent, accurate, and automated online IDV. Veriff’s intelligent decision engine can analyze thousands of technological and behavioral variables in seconds, matching people to more than 10,000 government-issued IDs from over 190 countries. Veriff serves a global portfolio of organizations across fintech, crypto, and mobility sectors. Founded in 2015 by Kaarel Kotkas, today Veriff serves a global portfolio of internet businesses including fintech companies, sharing economy providers and marketplaces in the USA, Europe and other places in the world. Veriff is an alumnus of the startup accelerator Y Combinator and employs 350 people in its locations in Tallinn and Tartu in Estonia; New York, in the USA, London in the UK and Barcelona in Spain.

Trained on your unique style, Aesthetic generates high-quality visuals that match your aesthetic in seconds.

Mobot (YC W19) is a QA-as-a-service platform using actual mechanical robots to automate testing of repetitive functions on real mobile devices. Mobot's human-supervised robots make it possible to automate mobile app tests that emulators, virtual devices, and existing frameworks can't. This approach eliminates thousands of hours of manual testing, increases testing efficiency and physical device coverage, and captures more bugs in-app before app store launches than software can do alone.

Nextmv is a DecisionOps platform that accelerates optimization AI teams with tools for deployment, testing, CI/CD, collaboration, and management of decision models. With Nextmv, developers can create scalable, custom decision services complete with unique API endpoints and options to integrate with popular solvers and modeling solutions.

Infield helps software teams keep their open source dependencies up to date. We’re automating away the toilsome work of reading changelogs, assessing risk, and upgrading packages so that software teams can focus on shipping features. We’re a small team of repeat founders passionate about making open source easier to use.

Alloy is an integration platform used by Amazon, Gorgias, Postscript, & others to launch ERP, commerce, CRM, and various other integrations. Founded in 2019, the company is backed by $27M from a16z, Bain Capital Ventures, Y Combinator, and others.

Dataland is the easiest way to deliver high-quality internal tools to your business users. It's secure, easy-to-use, and sets up in minutes. Dataland uses GenAI to enable business users to construct their own internal tools without blocking on engineering.

We build the tools companies need to provide performant and scalable authorization for their applications. We’re founded by 3 successful entrepreneurs with expertise in enterprise software, most recently as leaders at Red Hat. Jake and Joey met on the APIs team at Google in 2010. They went on to found Quay, where Jimmy joined as their first hire. Over the past decade, they’ve changed the landscape for building and deploying software.

Open source user onboarding and engagement platform. Alternative to pendo / appcues / customer io / braze / iterable. Onboard your users with tours, and checklists and then continue to engage them with email, sms, push and more.

Mobileboost is the leading AI Native Mobile Testing Tool featuring 1. Automated Testing: Generates test cases and tests your mobile app autonomously on detailed instructions or high level objectives. 2. Visual Recognition: Uses the visual output of your phone, eliminating the need for UI hierarchy dependency and element identifiers 3. Cross-Technology Compatibility: Works seamlessly with all technologies including web views and native phone elements. No source code access required.

Lariat is a Continuous Data Quality monitoring platform to discover data bugs before your consumers do. Ensure data products don’t break even as business logic, input data and infrastructure change. Use Lariat to define and then automatically extract, store and visualize data quality metrics on raw event-level data through to delivered data products.

We are a platform for high-performance browser-based applications. We make it easier for developers to deploy apps that give every user a dedicated backend. This is a system design that apps like Figma and GitHub codespaces use, but it's currently difficult for others to replicate it. We make it as easy as deploying a traditional web server.

We're making it easy, cheap and fun for startups to build on SMS again. Sendo is the most developer-friendly SMS API, with great documentation, a fast dashboard, helpful monitoring features, easier 10DLC compliance and much more. Save 40%+ compared to Twilio and other options, and get started sending messages in 1-2 days instead of waiting weeks for your 10DLC campaigns to get approved.

We are building a cloud platform to help companies deploy and scale AI applications.

Rally is a User Research CRM that makes it easy for teams to do research with their users. By automating outreach, scheduling, incentives, and participant management, Rally replaces messy spreadsheets and disjointed tooling, saving teams hours each week.

Instant is the modern Firebase. We make it easy to build realtime and collaborative applications like Notion or Figma.

GradientJ helps teams deploy large language models at scale. Companies use us to build GPT-4 powered APIs that process millions of job applications per year. Our app provides tools to build and compare prompts, track live performance, and continuously improve models from human feedback, including automated model comparison across LLM providers and open source alternatives.

Atri Labs is Vercel for Python developers. We are an open-source web framework that helps Python developers create production web applications. We have $6k+ in ARR, 4k+ GitHub stars, and 15+ companies in production like Meta, Nvidia and Marqeta who use us to build their internal ML web apps.

Paperspace is a cloud computing company creating simple and scalable accelerated computing applications. Our goal is to allow individuals and professional teams to seamlessly build and deploy computationally complex products and services. Paperspace is backed by leading investors including Y Combinator and Initialized Capital. Mission: Our mission is to make cloud computing more accessible through radical simplicity, community-driven technical resources, and straightforward pricing. -- To learn more about Paperspace, please visit https://www.paperspace.com/ or follow us on Twitter at: @hellopaperspace.

Yhat (YC W15, pronounced y-hat) was an end-to-end data science platform. Acquired by Alteryx (NYSE:AYX)

CodeStream's IDE plugins take the pain out of code reviews. With one command, request feedback on a snapshot of your repo, including uncommitted & unpushed code, allowing you to verify that your work-in-progress is on the right track. (You can also do it the old-fashioned way by committing & pushing at the end of your dev sprint, of course)

We help developers collaborate at scale and build better APIs. Optic’s open source tools makes it easy for developers to document API changes, review each other’s API changes during code review, and catch breaking changes before they reach production. **tl;dr** It’s version control but for behavior not code. We are taking the really successful ideas from Git / Code Review / CI and applying them to API descriptions and (future) other non-code artifacts. Engineers at [Snyk](https://snyk.io/) use Optic daily to make the new Snyk API great. Read their engineering blog: [Snyk's shift left approach to API development | Snyk](https://snyk.io/blog/snyk-api-development-shift-left/)

Weav is building the digital infrastructure to connect small businesses with financial institutions.

Reflect is a no-code tool for automated website testing. Instead of building and maintaining complex Selenium tests, companies use Reflect to run automated end-to-end tests without writing code.