HAProxy Technologies | Powering the World's Busiest Applications

Powering the world's busiest websites and applications

High-performance traffic management and next-gen security with multi-cloud management and observability. Built for the enterprise — open source at heart.

Discover HAProxy One See what's new in our latest releases

On-demand webinar: Building an AI-Aware Gateway for LLM Security

Learn why we are G2's top-ranked solution

User reviews on G2 rank HAProxy as a Leader in Load Balancing, Container Networking, API Management, DDoS Protection, and WAF.

Read the G2 reviews

"HAProxy showcases community at its best and this project is the very definition of sustainability."

Kelsey Hightower Software Engineer and Technologist

Do more with HAProxy One

The world's fastest application delivery and security platform seamlessly blends data plane, control plane, and edge network to deliver the world's most demanding applications, APls, and Al services in any environment.

Discover HAProxy One

HAProxy Enterprise

A flexible data plane layer that provides high-performance load balancing, an API/Al gateway, Kubernetes application routing, best-in-class SSL processing, and multi-layered security.

HAProxy Fusion Control Plane

A scalable control plane that provides full-lifecycle management, monitoring, and automation of multi-cluster, multi-cloud, and multi-team HAProxy Enterprise deployments.

HAProxy Edge

A secure edge network that provides a high-capacity global ADN and threat intelligence — enhanced by machine learning — that powers the next-generation security layers in HAProxy Fusion and HAProxy Enterprise.

World-class experience

24/7 support from real humans! We're the authoritative experts on HAProxy — including the edge, data plane, control plane, and security layers. We'll do whatever it takes to make your HAProxy deployment a success.

Featured Solutions

Trusted solutions from the experts in application delivery

HAProxy One keeps your mission-critical websites and applications fast, secure, and highly available — in any environment.

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Load Balancing Web App and API Protection High Availability Kubernetes App Routing

High-performance traffic management at massive scale

Load balancer and reverse proxy for HTTP, TCP, UDP, and QUIC applications — with HAProxy’s legendary performance and reliability! Robust architecture, highly customizable, and runs anywhere.

Go to solution

Cost-efficient performance

2 million TPS on a single AWS Arm instance. Best-in-class SSL/TLS processing. Efficiency that saves you money.

Trusted and proven

Over 20 years of open source development. The world’s most widely used software load balancer.

Any app, any environment

Works with virtually any app, API, or AI service. Advanced routing options and customizable with Lua and SPOE. Run on any Linux server, cloud, container, or VM with identical performance and features.

Load Balancing as a Service (LBaaS)

Offload load balancer management from central Ops teams while making self-service application delivery more efficient for App teams.

Central management

Multi-cluster, multi-cloud, and multi-team management, observability, and automation via a central control plane.

SaaS ADN

Fully managed app delivery services on our global network, powered by HAProxy. For the ultimate scale and simplicity.

Next-gen security with threat intelligence

Multi-layered security fends off threats before they can reach your application — powering your uptime while keeping your organization, data, and users safe.

Go to solution

DDoS protection

Maintain service availability without slowdowns, even under sustained attacks or unpredictable traffic spikes.

Bot management and protection

Fast and cost-efficient bot detection and enforcement, all done locally on your infrastructure.

API/AI protection

Authentication, filtering, rate limiting, and routing for API traffic and AI/LLM prompts ensures performance and security.

Web application firewall

Exceptional balanced accuracy and ultra-low latency, without relying on static lists and regex-based attack signatures.

Central security policy

Multi-cluster, multi-cloud, and multi-team management, security policy, WAF configuration, and observability.

SaaS ADN

Fully managed app security services on our global network, powered by HAProxy. For the ultimate full-spectrum protection.

Uptime for mission-critical applications

Seamless redundancy, a resilient architecture, and proactive monitoring ensure high availability for the most demanding applications.

Go to solution

Fault tolerant clusters

With Active/Active or Active/Standby configuration and automatic failover, your backup load balancer will always be ready.

Maintain network stability

Advanced health checks monitor server health. Retry-requests and circuit-breaking route traffic around unhealthy server groups.

Mitigate deployment risks

Increase and drain traffic to servers during application deployments. Hitless reloads when updating HAProxy configuration.

Resilience to attack

Stay online, and protect your users, data, transactions, and content — even under sustained heavy attack.

Maximize efficiency

Timeouts, connection pooling, and traffic overload protection mean your servers are always running at their best.

SaaS ADN

Fully managed app delivery services on our global network, powered by HAProxy. For the ultimate reliability and capacity.

Simplify Kubernetes on-premises or in the cloud

Intelligent external load balancing, multi-cluster routing, direct-to-pod load balancing, and high-performance ingress for Kubernetes applications.

Go to solution

External load balancing

Simplify deploying Kubernetes on-premises with fully automated external load balancing.

Multi-cluster routing

Enable high-performance load balancing for your Kubernetes clusters within one or many cloud regions.

Direct-to-pod load balancing

Consolidate Kubernetes app routing into a single layer for reduced complexity and infrastructure costs.

Ingress control

Kubernetes-standard traffic routing using the Ingress API, in a high-performance package.

Service discovery

Service discovery, dynamic config generation, and multi-cluster observability via a central control plane.

Container images

Easily deploy HAProxy nodes in containers with verified images on Docker Hub.

Why HAProxy?

Powering the future of secure application delivery

HAProxy Technologies is the company behind HAProxy One, the world’s fastest application delivery and security platform, and HAProxy, the most widely used software load balancer.

About us

Incredible technology

From performance, security, and control planes to the use of AI/ML, HAProxy has led the way for over 20 years — providing a platform for continuous innovation.

Open source and independent

HAProxy Technologies is proudly independently owned and operated. We owe our open source development and rapid growth to our thriving community and customers, alike.

Relentless customer focus

We have only one priority: serving our users by providing the best products and the best customer experience in the world.

HAProxy User Stories

Real experiences, better solutions

Leading platforms and cloud providers trust HAProxy to simplify, scale, and secure modern applications, APIs, and AI services in any environment. Watch them tell their stories at HAProxyConf.

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Featured Resources

See how it works in practice

Your next-gen app delivery and security are closer than you think. Get started with technical webinars, documentation, and more.

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On-demand webinar

Beyond Basic Routing: Building an AI-Aware Gateway for LLM Security

In this hands-on webinar, we'll demonstrate how to transform HAProxy into a sophisticated AI-aware gateway using Stream Processing Offload Engine (SPOE).

Watch now

User spotlight series

What Millions of Requests per Second Mean in Terms of Cost & Energy Savings

Simplify, scale, and secure modern applications, APIs, and AI services in any environment. HAProxy Technologies is the company behind HAProxy.

Discover what's possible

Contact the authoritative experts on HAProxy who will assist you in finding the solution that best fits your needs for deployment, scale, and security.

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Beyond Basic Routing: Building an AI-Aware Gateway for LLM Security

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Community

HAProxy Data Plane API 101: Powering Interactions Across HAProxy

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HAProxyConf 2025, San Francisco

Powering the world's busiest websites and applications

Learn why we are G2's top-ranked solution

Do more with HAProxy One

HAProxy Enterprise

HAProxy Fusion Control Plane

HAProxy Edge

World-class experience

Trusted solutions from the experts in application delivery

High-performance traffic management at massive scale