Tempesta FW vs Wallarm API Security Platform

Tempesta FW and Wallarm API Security Platform take different approaches to web application security. Consider your team's expertise and infrastructure preferences when evaluating these options.

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Tempesta FW and Wallarm API Security Platform take fundamentally different approaches to web application security. Understanding your infrastructure and team capabilities will help determine which approach fits your needs.

Overview

Tempesta FW and Wallarm API Security Platform are both popular web application firewall solutions. This comparison will help you understand the key differences and choose the right one for your needs.

High-performance open-source WAF and web accelerator built directly into the Linux kernel, delivering up to 1.8M requests per second with integrated L3-L7 DDoS protection and automated bot mitigation via WebShield.

API-first security platform combining cloud-native WAF, automated security testing, and advanced API abuse detection with real-time blocking capabilities.

Quick Comparison

Feature	Tempesta FW	Wallarm API Security Platform
Overall Rating	4.0/5	4.3/5
Free Tier	Yes	Yes
Pricing Model	Free (open source) + professional services	Subscription based on requests
Ease of Use	2.5/5	4.0/5
Value for Money	4.8/5	4.2/5
Support	3.0/5	4.1/5
Open Source	Yes	No
Platforms	Linux (kernel-level integration), bare metal, cloud VMs	AWS, GCP, Azure, Kubernetes, Docker, eBPF, any cloud environment
Compliance	Contact vendor	SOC 2, GDPR, HIPAA

Pricing Comparison

Tempesta FW

Model: Free (open source) + professional services

Free Tier Available

Open Source

Free

Professional Services

Contact for pricing

View full pricing →

Wallarm API Security Platform

Model: Subscription based on requests

Free Tier Available

Free Tier

$0/month

Pro

Starting $833/month

Enterprise

Custom pricing

View full pricing →

Features Comparison

Tempesta FW

Kernel-Level Performance
Built directly into Linux TCP/IP stack, processing up to 1.8M HTTP requests per second - 3x faster than Nginx or HAProxy.
Multi-Layer DDoS Protection
Integrated protection against volumetric and application-layer DDoS attacks with rate limiting, JavaScript challenges, and adaptive QoS.
HTTP Tables
Extends Linux iptables/nftables for application-layer filtering, enabling rules that combine IP addresses with HTTP headers and content.
Intelligent Load Balancing
Machine learning-powered load balancing with persistent sessions, weighted round-robin, and rendezvous hashing strategies.
Web Acceleration
Built-in caching using Tempesta DB, an ultra-fast in-memory database with NUMA-aware distribution and SIMD optimizations.
High-Performance TLS
Tempesta TLS is 40-80% faster than Nginx/OpenSSL with 4x lower latency for TLS handshakes.
Bot Protection (WebShield)
Open-source automated bot protection via WebShield — detects and blocks DDoS bots, scrapers, shopping bots, and booking bots using TLS and HTTP fingerprint analysis on access logs stored in ClickHouse.
Volumetric DDoS Protection
Upcoming open-source volumetric DDoS protection solution, completing a full L3-L7 DDoS and bot mitigation stack when combined with Tempesta FW's application-layer defences and WebShield.
Native XDP Integration
Uses Linux XDP (eXpress Data Path) for early packet dropping, enabling efficient mitigation of volumetric attacks.

Wallarm API Security Platform

API Discovery
Automatically discover and inventory all APIs with visibility into sensitive data flows and business-critical endpoints.
API Abuse Prevention
Patented AI/ML detection for sophisticated API abuse, credential stuffing, and account takeover attacks.
Cloud-Native WAAP
Web application and API protection deployable across any environment with single-day implementation.
Security Testing
Integrated DAST and automated fuzzing to proactively identify vulnerabilities in APIs and applications.
API Attack Surface Management
Agentless discovery of external API hosts, missing WAF coverage, vulnerabilities, and API leaks.
Agentic AI Protection
Specialized protection for AI-powered applications and agentic AI systems.

Which One Is Right for You?

The best WAF depends on your specific requirements, infrastructure, and team expertise.

Tempesta FW

You need: High-traffic sites requiring maximum performance, organizations with Linux expertise, teams wanting to replace multiple infrastructure components, performance-critical applications
You want to start with a free tier
You prefer open-source solutions
You're using: Linux (kernel-level integration), bare metal, cloud VMs

Learn more →

Wallarm API Security Platform

You need: API-heavy applications, microservices architectures, DevSecOps teams, organizations wanting integrated security testing
You want to start with a free tier
You're using: AWS, GCP, Azure, Kubernetes, Docker, eBPF, any cloud environment

Learn more →

We recommend evaluating both options with a trial or free tier before committing. Consider your existing infrastructure, team expertise, compliance requirements, and budget.

Frequently Asked Questions

Which is better for startups: Tempesta FW or Wallarm API Security Platform?

Both Tempesta FW and Wallarm API Security Platform offer free tiers, making them accessible for startups. Wallarm API Security Platform scores higher for ease of use (4.0/5), which is valuable for smaller teams. Consider your immediate security needs and growth plans when choosing.

Which has better support: Tempesta FW or Wallarm API Security Platform?

Wallarm API Security Platform has a higher support rating (4.1/5) compared to Tempesta FW (3.0/5). However, support quality can vary based on your plan tier - enterprise customers typically receive more responsive support from both providers. Consider evaluating support during a trial period.

Which is easier to implement: Tempesta FW or Wallarm API Security Platform?

Wallarm API Security Platform scores higher for ease of use (4.0/5) versus Tempesta FW (2.5/5). The actual implementation effort depends on your existing infrastructure and team expertise.

Which is more cost-effective: Tempesta FW or Wallarm API Security Platform?

Both providers offer free tiers, making it easy to start without commitment. Tempesta FW scores higher for value (4.8/5). Total cost depends on your traffic volume, required features, and support level needs.

Which works better with AWS: Tempesta FW or Wallarm API Security Platform?

Wallarm API Security Platform explicitly supports AWS while Tempesta FW's AWS integration may vary. Consider whether native AWS integration or cross-cloud portability matters more for your use case.