Data & Infrastructure Startups

HealthEx provides a consumer platform that unifies an individual's medical records from doctors, clinics, and labs into a single connected health history, using the TEFCA network covering over 80% of U.S. care providers. Patients can view their records and, with explicit consent, securely share them with providers, insurers, health apps, and AI tools such as WHOOP, 23andMe, and Microsoft Copilot Health.

1 investor

1 investor

Hebbian Robotics builds open-source SDKs and data-quality infrastructure for Physical AI data pipelines, helping robotics foundation model labs filter, label, and curate large volumes of egocentric video data. Its tools let data teams write quality checks as Python functions with durable execution, observability, and auditability.

1 investor

Hedgehog builds AI-native networking software that decouples network management from proprietary hardware, using intent-based configuration and open standards to run and scale GPU clusters. It targets organizations deploying AI infrastructure, offering multi-tenant isolation, faster deployment, and the ability to monetize AI services like cloud providers.

1 investor

Helicone provides infrastructure for AI companies to route, debug, and analyze their applications. The platform serves developers and organizations building AI systems.

1 investor

Helivan builds monitoring and evaluation tools for AI systems, including real-time observability for multi-agent systems to detect behavioral changes and emergent behaviors. It also offers evaluation frameworks that integrate into existing evaluation workflows, spanning use from research to production.

1 investor

Helix is a database built on object storage that combines knowledge graphs, vectors, temporal and full-text search capabilities for AI agents, retrieval-augmented generation (RAG), and enterprise knowledge management applications.

1 investor

Pareto builds products and conducts research focused on generating human-based training signal to improve AI models, positioning human data and model capability as a reinforcing cycle.

1 investor

Hemera provides account-centric blockchain data indexing with user-defined functions, enabling extraction and tracking of on-chain data such as ERC20 tokens, tokenized real-world assets, and fund flows. Its tools support use cases including AML risk control, address profiling, on-chain KYT, and stablecoin payment automation for enterprises.

1 investor

Hemisphere Digital operates a location intelligence platform that provides access to anonymized, near real-time geospatial datasets through an automated insights tool. It serves businesses in tourism, retail, out-of-home advertising, and environmental/natural capital sectors with AI-driven predictive analytics for location-based decision-making.

1 investor

Hence builds production-grade AI applications for complex operational environments, using ontology design, data pipelines, and AI integration to model an organization's objects, relationships, and workflows. It offers forward-deployed engineering on Palantir Foundry as well as self-hosted delivery for clients who don't use Foundry, producing custom operational applications, data governance, and decision intelligence.

1 investor

Hercle provides infrastructure connecting fiat, digital assets, and stablecoins for cross-border and cross-asset transactions, offering trading, liquidity, execution, settlement, and on/off ramps via APIs. It serves asset managers, banks, brokers, fintechs, payment service providers, and treasuries.

1 investor

HeronAI provides an AI-powered decision intelligence platform that integrates fragmented operational and financial data across business systems to help mid-market manufacturers and companies identify risks, uncover opportunities, and make faster decisions. The platform combines automated data analysis with guidance from data scientists to transform complex data into actionable insights and reduce manual reporting work.

1 investor

Heurist provides full-stack AI infrastructure for onchain applications, offering an aggregation layer for Web3 agents with over 100 verifiable crypto tools built on ERC-8004 and x402 payments. It serves builders and developers creating crypto-native AI apps and autonomous agents using decentralized computing.

1 investor

Hexa is a US software company serving business-to-business sales teams. Its platform automates repetitive tasks in the sales workflow so that a single operator can run processes that would otherwise occupy multiple representatives. The goal is to support personalized outreach at higher volumes while reducing manual work for sales staff.

1 investor

WalletOne (Hexlant) builds blockchain infrastructure and security solutions for digital asset custody and trading, including its Octet product for enterprise Web3.0 clients and the O-HI wallet for individual users. The company serves businesses entering the blockchain sector and, per its own claim, holds roughly 50% of the South Korean virtual asset market.

1 investor

HighGround is a government demand intelligence platform that ingests procurement, budget, award, and vendor data from 500+ sources, resolves entities, and applies scoring models, exposing the results to analysts, AI models (via MCP), and agents. It serves investors pricing government/defense exposure and operators competing for federal contracts, generating sourced answers, IC-ready briefs, and diligence packages from obligation data.

1 investor

Highlight provides an open-source, fullstack monitoring platform for web applications that aggregates errors, session replay, logs, and other observability data. It serves developers and engineering teams building modern web applications across all popular frameworks.

1 investor

Hillclimb develops training data for recursive self-improvement in AI models, focusing on aggregating human research data and automating reinforcement learning environment creation. The company sells the resulting data to frontier AI laboratories.

1 investor

CivIQ is an AI-powered civic engagement platform that simplifies advocacy communication by helping supporters draft and send personalized messages to elected representatives in under 60 seconds. The platform serves advocacy organizations, political campaigns, and government offices seeking to increase constituent engagement and extract actionable insights from public feedback.

1 investor

hiloop provides snapshottable, forkable compute infrastructure with built-in observability for AI agents that propose, run, and verify experiments (autoresearch). It offers self-provisioning sandboxes via API, brokered secrets, and per-run tracing with token and cost tracking queryable via SQL, aimed at teams doing autoresearch, model training, and performance-critical development.

1 investor

Hilt provides data exfiltration detection and response using kernel-level telemetry, cross-domain correlation across cloud, SaaS, endpoints, and AI agents, and runtime host isolation. It targets high-sensitivity security teams in sectors such as fintech, healthcare, legal, AI infrastructure, and quantitative finance.

1 investor

Hiptype provides analytics and targeted advertising tools for eBook platforms through a plugin that collects reader demographic and performance data to enable personalized ads and automated marketing optimization.

1 investor

Hitta.se is a Swedish online search service for finding contact details, addresses, maps, and directions for people and businesses in Sweden. It also provides company information such as annual reports, financial data, and board members, as well as address- and neighborhood-related information for residents and organizations.

1 investor