Platforms for testing API functionality, performance, and security.
AI Agents & Sidekicks
Browserbase provides a reliable, managed browser infrastructure for AI agents, enabling web scraping, automated testing, and agent-based web interactions at scale.
Price$20 / month
Price position: above the category median.
Website Uptime Monitoring
StatusCake provides uptime monitoring, page speed testing, SSL monitoring, and hosted status pages for websites and APIs.
Price$66.66+ / month
Starting price: above the category median.
API Developer Tools
GUI client for gRPC, REST, and WebSocket APIs with scripting support and environment management.
Price$4.17+ / month
Starting price: below the category median.
API Testing Tools
Open source tool for debugging, testing, and building with HTTP and HTTPS traffic interception.
Price$10+ / month
Starting price: at the category median.
API Testing Tools
Hoppscotch is an open-source API development platform providing a fast, lightweight alternative to Postman for testing REST, GraphQL, WebSocket, and MQTT APIs.
Price$6 / user / month
Price position: below the category median.
API Developer Tools
Open source API client that stores collections directly in your filesystem using a plain text markup language.
Price$6 / user / month
Price position: below the category median.API Testing Tools
HTTP proxy and monitor tool enabling developers to view HTTP and SSL traffic between their machine and the internet.
API Testing Tools
Mock HTTP server and request inspector providing instant endpoints for testing and prototyping APIs.
Price$10 / month
Price position: at the category median.
Load Testing
Modern load testing and smoke testing tool for APIs and web apps with a focus on developer experience and CI/CD integration.
Price$199 / month
Price position: above the category median.
Load Testing
Distributed load testing for websites and APIs.
Price$199+ / month
Starting price: above the category median.
Developer Tools
Web debugging proxy from Progress logging HTTP/HTTPS traffic for debugging web application issues and testing APIs.
Price$7 / user / month
Price position: below the category median.
DevSecOps Platforms
Checkmarx provides a comprehensive application security platform including software composition analysis, SAST, DAST, and API security for enterprise DevSecOps programs.
Price$2,500+ / month
Price position: above this category's displayed range.
API Testing Tools
Lightweight REST API client extension for VS Code with collections, environments, and Git-friendly storage.
Price$3+ / user / month
Price position: below this category's displayed range.
Business Rules Engines
Nected is a low-code decision intelligence platform that unifies rule engines and workflow automation for backend process management and experimentation.
Price$299+ / month
Starting price: above the category median.
Developer Experience Platforms
Scalar provides a modern toolkit for API documentation, request testing, and developer-facing API experiences built around OpenAPI.
API Testing Platforms
Postman is an API platform for designing, testing, documenting, and monitoring APIs with collaboration features for developer teams.
API Testing Tools
Human-friendly command-line HTTP client for API testing providing intuitive syntax and JSON support.
Test Automation Frameworks
Open source API testing framework combining test automation with API mocks and performance.
