Unified.to helps software teams ship API integrations fast at any scale. We've grown to 20 unified API categories, 280+ integrations, and 1200+ distinct data objects.

Happydance builds high-performance careers websites that turn candidate experience into competitive advantage. Our SaaS platform helps mid-market and enterprise companies attract top talent, showcase their employer brand, and convert interest into hires, seamlessly and at scale.

The Okta Identity Cloud provides secure identity management with Single Sign-On, Multi-factor Authentication, Lifecycle Management (Provisioning), and more.

About Tofu Tofu is the AI fraud detection platform that protects companies from fake applicants and bad actors. Backed by leading investors, Tofu uses multi-signal analysis to identify sophisticated hiring threats - from AI-generated applications to state-sponsored actors like North Korean IT workers. Companies like Circle.com and Samsara trust Tofu to secure their hiring pipelines. Our fraud detection capabilities include: • AI Fraud Screening: Automatically analyzes every applicant across 40+ of signals - resume metadata, cross-network identity verification, and behavioral patterns - to surface risk before you ever review a resume. • Risk Reports: Clear, recruiter-friendly reports that explain exactly why an applicant was flagged, with actionable recommendations for next steps. • Cross-Network Detection: Identifies applicants who've applied to multiple companies using different identities, exposing coordinated fraud rings. • Continuous Monitoring: Ongoing verification that catches threats that emerge after initial screening. • Deepfake Detection: Detect deepfake usage on interviews and ensure the same candidate shows up to every interview.

Wellfound is the leading hiring platform for startups and tech companies. It provides tools for companies to source, evaluate, and manage applicants. wellfound:ai is a suite of AI recruiting tools that integrates with Gem to automate the busy work of finding talent, so you can focus on turning great candidates into great hires.

Metaview is the AI recruiting platform for radically better hiring. Recently backed by GV, Metaview offers a suite of AI agents that bring automation and intelligence to every step of the hiring journey — from intake to offer. Over 4,000 high-growth companies, including Deel, ElevenLabs, Synthesia, and Brex, are already recruiting on Metaview. Our suite of connected agents include: • AI Sourcing: The first truly autonomous AI sourcing agent that acts as a proactive, collaborative, context-aware teammate to find you perfect-fit candidates. • AI Notetaker: Perfect recruiting notes, totally configurable to your hiring workflow, and grounded in the context of the hire you're making. • AI Reports: A fully customizable reporting engine that lets you slice, track, and optimize your entire hiring process. • AI Job Posts: AI-powered checks and suggestions for compliant, consistent job posts.

We work intensively with the companies for three months to get them into the best possible shape and refine their pitch to investors. Each cycle culminates in Demo Day, when the startups present their companies to a carefully selected, invite-only audience. But YC doesn’t end on Demo Day. We and the YC alumni network continue to help founders for the life of their company, and beyond.

HackerRank helps companies develop the strongest tech teams around. HackerRank helps candidates sharpen their tech skills and pursue job opportunities.

Merge is a single API to add hundreds of integrations to your product. With Merge’s Unified API, developers access a standardized data model to pull and post data between their own platforms and the platforms that Merge offers connections with, in categories like HR & Payroll, ATS, Accounting, CRM, Ticketing, Marketing Automation, File Storage, and more. Merge manages these integrations end-to-end and provides tools that give full visibility and control over your integrations, which saves you countless hours of maintenance and support. The Merge dashboard allows developers to control data syncs, configure webhooks, troubleshoot and resolve customer issues like expired API keys, and more, without the use of engineering resources. By offering integrations at scale, Merge customers like Drata, Ramp, Calendly, and Gong close deals faster, reduce customer churn, and save engineering costs spent on building and maintaining integrations.

At candidate.fyi, our mission is to help recruiting teams create exceptional candidate experiences while reducing the time spent on manual tasks. By empowering TA teams with our suite of tools, we enable them to focus on building meaningful connections and elevating the overall hiring journey. We're here to streamline processes, promote transparency, and ensure every candidate feels valued throughout the hiring process.

With CoderPad you can assess real skills, reduce time-to-hire, and build high-performing teams with coding tests and interviews that reflect real engineering work saving companies an average of $30,000 per hire. CoderPad Screen: Screen smarter, hire faster. CoderPad Screen gives you reliable coding assessments built around real-world engineering tasks—quickly identify top talent, streamline your pipeline, and reduce costly mishires. CoderPad Interview: Interviews built for real engineering work. CoderPad Interview enables your team to conduct real-time, collaborative coding sessions—clearly assess how candidates code, communicate, and solve realistic problems, ensuring confident hiring decisions.

Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system.