Y Combinator Spring 2026 (X26) Companies

Hexa deploys AI agents that automate repetitive business processes for industrial distributors and manufacturers, handling sales quoting, procurement, invoicing, and customer service by reading documents and acting within existing ERP systems. The platform serves mid-market companies in PVF, bearings, fasteners, electrical supply, and food service equipment sectors.

1 investor

HeyClicky is an AI assistant application for Mac that uses screen vision to help users learn tools, troubleshoot problems, and automate tasks through voice commands and AI agents. It works with any application visible on screen without requiring plugins or integrations.

1 investor

Hub operates a data collection and annotation platform that gathers real-world data from physical environments to train embodied AI and robotics models. The company manages a global network of verified small and medium-sized businesses across multiple sectors to capture training data through a standardized pipeline.

1 investor

Humwork connects AI agents to verified human experts in real-time via MCP protocol when agents encounter problems they cannot solve independently. The platform matches engineers, designers, strategists, and other knowledge workers across all domains within 30 seconds to provide immediate solutions that are fed back into the agent's context.

1 investor

Huscarl provides actuarial advisory and risk management services to large corporations, helping them optimize their insurance coverage and manage enterprise risk similar to captive insurance companies.

1 investor

Hyper provides a centralized knowledge system that connects to a company's internal information, automatically builds and maintains a knowledge graph, and enhances the performance of AI agents deployed within the organization.

1 investor

Imperfect is a fitness app that adapts workout plans to users' energy levels and schedules, adjusting routines based on recovery and performance signals. The platform connects with various fitness devices and wearables to serve athletes across multiple sports disciplines.

1 investor

Incandor provides behavioral analysis software that detects and maps fraudulent activity on digital platforms by tracking user behavioral patterns. The platform identifies account takeovers, coordinated fraud rings, and mule networks by analyzing interaction data like mouse movements, keystrokes, and scrolling patterns, serving fraud teams at digital platforms and financial services companies.

1 investor

Infera converts natural language descriptions of lab experiments into executable protocols for laboratory instruments, managing protocol logic, vendor-specific configurations, data, and inventory across an integrated system.

1 investor

Inloop Robotics develops learning-enabled robotic arms that are deployed in warehouse and logistics environments. The company builds AI systems that enable robots to master complex manipulation tasks from human demonstrations.

1 investor

InsForge is an agent-native cloud infrastructure platform that provides backend services (authentication, database, storage, compute, AI model gateway, and more) designed specifically for AI coding agents to operate end-to-end. The platform targets solo developers and small teams building applications without infrastructure complexity.

2 investors

InstaAgent creates and distributes personalized advertising campaigns across Meta, TikTok, and niche social platforms, enabling brands to test and scale audience-specific creative variants based on persona and performance data.

2 investors

Intelligence Factory builds foundation models for robotic manipulation, enabling robots to perform tasks requiring human-level dexterity and reasoning. The company serves robotics and automation industries deploying physical robots in real-world applications.

2 investors

Interfaze offers a multimodal AI API that extracts structured data from text, images, audio, files, and video with deterministic accuracy and confidence scores. The service provides OCR, translation, speech-to-text, and configurable safety guardrails for developers building production AI applications.

1 investor

Inth provides developer-first consent infrastructure that allows software teams to manage cookie consent, regional rules, and script loading directly in code rather than through external platforms. The product targets engineering teams that ship frequently and need to maintain consent compliance without performance degradation.

2 investors

Jo is a personal AI agent that reads email, calendar, and connected apps to deliver a daily brief with actionable summaries, meeting prep, draft replies, and gentle reminders for work and personal life. It runs on Mac with Apple Silicon and integrates with email, calendar, notes, browsers, chats, Telegram, and WhatsApp.

2 investors

Juno is an AI health assistant that helps people with chronic illness track symptoms, identify patterns, and create reports for medical appointments, based on university research and user feedback from over 1,000 patients.

3 investors

KelAI develops an AI system that automatically discovers, tests, and validates trading signals for hedge funds and institutional investors, integrating fragmented research workflows into a single autonomous engine.

1 investor

Keyframe Labs provides AI video personas that turn text and voice agents into lifelike video call experiences. The platform enables developers to deploy conversational video agents across enterprises, consumer apps, training platforms, and recruiting with production-grade, secure deployments.

2 investors

Kimpton is an AI-powered research platform for portfolio managers and investment professionals that automates financial research and analysis tasks. The platform consolidates data, runs analysis, and surfaces investment recommendations while keeping human decision-making at the center, serving buy-side professionals including hedge funds and institutional investors.

1 investor

Kinect builds an AI sales agent trained on a brand's catalog and policies to answer customer questions and sell on their website. The platform serves ecommerce brands seeking to capture intent data and meet customers wherever they ask questions, including through AI agents and shopping bots.

1 investor

Kinro is an online insurance marketplace that helps business owners find and compare commercial insurance coverage in minutes. The platform leverages partnerships with 50+ carriers and AI-powered guidance to simplify quote comparison and policy selection for small businesses.

1 investor

Klaimee provides AI liability insurance and risk certification for autonomous AI agents used by enterprise businesses. The company evaluates agents across 8 risk dimensions, issues certification reports, and backs certified agents with financial guarantees and liability coverage.

1 investor

Klarify is a mental health platform built by engineers, researchers, and designers who focus on therapy outcomes.

1 investor