Fundraising Fox

Infrastructure Startups

130 companies tagged Infrastructure, with their investors and founders.

Celest

Celest provides a backend development framework that lets developers write serverless functions and manage databases using Dart, the same language used in Flutter. It deploys applications to cloud infrastructure with a single command.

1 investor

Denormalized

Denormalized provides a serverless platform for querying and transforming real-time data streams without requiring users to manage underlying infrastructure or stream processing systems. The platform automatically infers data schemas and handles stream setup, targeting engineers who want to move data applications from development to production quickly.

1 investor

Doublezero

A platform that lets developers create autonomous agents by providing infrastructure for reasoning, state management, and analytics, while offering end users a marketplace and interface to interact with and share agents.

1 investor

Elph

Elph was a blockchain startup building infrastructure to make decentralized applications easier to access and use. Its team was acqui-hired by Brex in 2019.

1 investor

Epsilla

Epsilla is an Agent-as-a-Service platform that enables enterprises to build and deploy AI agents without extensive engineering resources, featuring a no-code builder, RAG capabilities, and vertical AI agent solutions for specific industries including manufacturing, healthcare, legal services, and financial services.

1 investor

expand.ai

expand.ai converts websites into structured APIs that developers can query for data, handling technical challenges like bot detection and browser scaling while ensuring data accuracy.

1 investor

Experiential Labs

An applied AI research lab that develops world models enabling agents to simulate physical environments with high-fidelity reconstruction, using technology derived from autonomous vehicle systems.

1 investor

Fern

Fern develops high-fidelity, custom robot world models for scaling the evaluation and training of robot policies. The product serves robotics teams building and deploying autonomous systems.

1 investor

Glide

Glide provides cross-chain wallet funding infrastructure for decentralized applications, enabling users to deposit cryptocurrency from any chain, wallet, or exchange without bridges or swaps. The platform streamlines onboarding for crypto products by allowing instant deposits directly to user accounts.

1 investor

Golf

Golf provides governance and security monitoring for AI agents and MCP (Model Context Protocol) connections in enterprise environments. The platform discovers, enforces policies, and audits data access across third-party AI tools like Claude, Cursor, and Copilot that operate outside traditional gateways.

1 investor

HelixDB

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

hiloop

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

Hiro

Hiro provides automated security reviews for code and infrastructure, identifying vulnerabilities and generating customer-ready security documentation. The platform serves developers and engineering teams who need to pass customer security assessments.

1 investor

Hub

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

Hyrex

Hyrex is an open-source durable task queue built on Postgres for backend developers to execute asynchronous jobs, scheduled tasks, and AI agent actions within their applications. The platform supports Python and TypeScript SDKs and deploys across AWS, GCP, Azure, and other cloud providers.

1 investor

Inkbox

Inkbox provides an identity layer for AI agents, enabling them to have email, phone, iMessage, and internet addresses for communication and interaction.

1 investor

Kestrel AI

Kestrel provides AI agents for platform engineering that automate incident response, cloud provisioning, CI/CD pipelines, and developer requests through deterministic workflows. The platform enables infrastructure and DevOps teams to build and execute automations using natural language, visual editing, or code across 30+ integrations.

1 investor

Lambda Robotics

Lambda Robotics develops autonomous robots for data centers and facilities that support AI compute operations. The robots are deployed into physical environments and improve through repeated deployments.

1 investor

Liquid Compute

Pluto is a regulated exchange that enables trading of compute resources as derivatives.

1 investor

LLM Stats

llm-stats.com provides open, reproducible evaluation and benchmarking infrastructure for large language models and AI systems. The platform aggregates 200+ benchmarks and enables performance comparisons across frontier AI models to support informed decision-making by researchers, enterprises, and model developers.

1 investor

Luca IQ

Luca IQ is a tax preparation platform for accounting firms and CPAs that handles the workflow from client intake and document collection through preparation, review, e-signature, delivery, and IRS e-filing. It structures source documents and provides an audit trail so every field traces back to its source, offered via a single API.

1 investor

Lume

Lume built software to automate customer data integration for engineering teams, using AI to discover schemas, map data, validate quality, and generate code automatically. The company has closed operations.

1 investor

Magnitude

Magnitude is an AI coding agent optimized for open-source language models like GLM, Kimi, and DeepSeek, designed to generate and execute code with improved reliability and efficiency. The platform serves software developers and teams looking to build with open weights models at lower cost than frontier API pricing.

1 investor

Monte

Monte builds post-training and continual learning infrastructure that transforms general AI models into specialized agents adapted to specific organizational workflows. The platform captures training signals from real work, measures performance against actual constraints, and enables reinforcement learning so models improve continuously from experience.

1 investor

Other sectors & tags