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Upstream Fusion API Security is a commercial API Security tool developed by Upstream. Security professionals most commonly compare it with . All 86 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to Upstream Fusion API Security, including their key features and shared capabilities.
Agentless cloud API discovery, posture management, and drift detection.
Unified API security platform for discovery, risk assessment, and mitigation
Runtime application security platform for API and AI stack protection
Managed API security platform with discovery, DAST, WAF, and 24x7 SOC
AI-powered API security platform with threat detection and discovery
API security platform for discovery, testing, and protection of APIs
Unified API and AI security platform for discovery, protection, and testing
API security platform for discovery, monitoring, and protection at edge
Agentless cloud API discovery, posture management, and drift detection.
Unified API security platform for discovery, risk assessment, and mitigation
Runtime application security platform for API and AI stack protection
Managed API security platform with discovery, DAST, WAF, and 24x7 SOC
AI-powered API security platform with threat detection and discovery
API security platform for discovery, testing, and protection of APIs
Unified API and AI security platform for discovery, protection, and testing
API security platform for discovery, monitoring, and protection at edge
API security platform for discovery, testing, and runtime protection
AI-powered API security tool detecting sensitive data & excessive data exposure
API security platform providing discovery, posture management, and threat detection
Analyzes API traffic to detect vulnerabilities, misconfigurations & data exposure
Platform for automated API security testing and runtime threat protection
API security platform for discovering, validating, and protecting API endpoints
API security platform with discovery, WAF, bot protection, and DDoS defense
Runtime protection for apps and APIs detecting and blocking exploits and attacks
API security tool that discovers APIs in code and addresses vulnerabilities
Runtime API threat protection for Kubernetes environments with discovery
AI-powered API threat detection using behavioral fingerprinting & threat intel
API discovery, vulnerability scanning, and penetration testing platform
Unified platform for API security, bot management, and AI gateway protection
API discovery, security, governance & lifecycle mgmt platform for enterprises
AI-powered API security testing platform with continuous attack simulation
AI-powered API security testing platform for continuous vulnerability scanning
WAF and L7 DoS protection for modern apps and APIs in DevOps environments
API security platform for SMBs with threat detection and vulnerability mgmt.
API security testing platform with discovery, scanning, and remediation
Dynamic API vulnerability scanner with payload-based testing and fuzzing
AI-based real-time security engine for blocking web threats in browsers & agents
Onchain firewall that blocks malicious blockchain transactions in real-time
Real-time transaction security for Web3 wallets and blockchain transactions
API-based risk intelligence for non-custodial wallets to detect threats
API security testing platform with LLM-powered context awareness and attack simulation
AI-powered API security platform using unsupervised deep learning
Behavioral analytics platform for API and application threat detection
API penetration testing tool for identifying business logic flaws
API runtime protection with content validation, threat detection & throttling
Dynamic API security testing tool for OpenAPI contract conformance validation
API security audit tool for OpenAPI contracts with 300+ security checks
API vulnerability scanner with support for REST, SOAP, and GraphQL APIs
AI-driven API pentesting platform with schema-aware testing and fuzzing
API discovery tool that maps application attack surface from source code
API vulnerability scanning and testing for REST, SOAP, and GraphQL APIs
Bot, AI agent, and fraud detection platform for digital user journeys
Bot defense platform protecting websites, mobile apps, and APIs from attacks
API security scanner for automated vulnerability detection in CI/CD pipelines
Client-side security for websites against 3rd party vendor attacks
API discovery and inventory tool for multi-cloud and on-prem environments
Developer-first security SDK for bot detection, rate limiting, and attack protection
API data-in-motion protection using claims-based access and PoLP enforcement.
SaaS-based API security product within F5's Distributed Cloud platform.
Advanced rate limiting solution for web apps and APIs with AI-driven controls
Enterprise SMS API gateway supporting SMPP, SOAP, and REST protocols
Bot management platform blocking bad bots & malicious AI across web, apps & APIs.
AI-powered bot detection that classifies automated traffic to block threats in real time.
Application delivery controller for optimizing app performance and security
A privacy-focused CAPTCHA alternative that protects websites from bot attacks using proof-of-work challenges and AI-based detection while maintaining GDPR compliance.
Zero trust API security platform with automated MFA for machine identities
FIPS 140-2 compliant API gateway and Axway API Gateway replacement.
A community website for API security news, vulnerabilities, and best practices
Middleware adding security layer to GraphQL endpoints for JS servers
Open-source libs for embedding API security controls directly in code.
A brute-force protection middleware for express routes that rate-limits incoming requests.
Curiefense is an application security platform that extends Envoy proxy to protect web applications and APIs against SQL injection, XSS, DDoS, and other common threats.
A Fastify plugin that implements HTTP security headers through a wrapper around the helmet library to protect web applications from common vulnerabilities.
Hapi is a Node.js web application framework that provides built-in functionality for building scalable server-side applications and APIs with security features and plugin architecture.
A Node.js middleware module that automatically enforces HTTPS connections by redirecting HTTP requests to HTTPS URLs in Express.js applications.
Fuzzapi is a Rails application with a user-friendly UI for API_Fuzzer gem and Docker setup.
A Burp Suite extension that formats GraphQL requests for easier reading
Common questions security professionals ask when evaluating alternatives and competitors to Upstream Fusion API Security.
The most popular alternatives to Upstream Fusion API Security include Orca API Security, Imperva API Security, Levo Runtime Application Security, Indusface AppTrana - API Protection, and Prophaze API Security. These API Security tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
