Thunder Client vs Testfully: Features, Pricing and User Reviews 2026
Testfully
Affordable API Testing & Monitoring Platform for Developers

Testfully
Affordable API Testing & Monitoring Platform for Developers

What are Thunder Client and Testfully?
Thunder Client is a REST API testing tool that lives inside Visual Studio Code. You can send requests, check responses, and organize your API tests without opening another program. It works just like other API testing tools but runs directly in your code editor.
The extension saves all your requests and settings on your own computer. This makes it fast, private, and able to work without internet. You can also save your testing data to Git repositories, making it easy to share with your team.
Thunder Client offers both free and paid versions. The free version works great for basic testing, while paid plans add features like unlimited test runs, team management tools, and advanced testing options for businesses.
Testfully is a platform that helps developers test and monitor APIs during development and after deployment. You can use it to send requests to your APIs, create automated tests, and set up monitoring to catch problems before they affect users.
The tool comes in two versions: Cloud and Offline. The Cloud version stores your data online and makes collaboration easy. The Offline version keeps everything on your computer for enhanced privacy and security. Both versions have identical features, so you can choose based on your needs.
Testfully works with major API types including REST, GraphQL, and XML. It includes an API client for building requests, testing tools for validation, and monitoring features for tracking API health around the clock.
Features of Thunder Client and Testfully
Lightweight VS Code extension for API testing
Local storage keeps data private and secure
Git sync for team collaboration
Collections organize related API requests
Environment variables for different settings
Scriptless testing with simple interface
CLI integration for automated testing
GraphQL, WebSocket, and gRPC support
Request chaining and advanced scripting
AI integration through MCP Server
Cloud and offline storage options
REST, GraphQL, and XML API support
No-code testing and validation
Request chaining for complex scenarios
Real-time API monitoring with alerts
Team collaboration with role-based access
Postman and Insomnia import
OAuth2 and authentication support
CLI for CI/CD integration
SOC 2, HIPAA, ISO 27001 certified
Free plan available
Use Cases of Thunder Client and Testfully
Pricing of Thunder Client and Testfully
Thunder Client offers flexible pricing to match different needs. The Free plan gives you the extension with 30 collection runs and basic features, but it is limited to personal, non-commercial use only.
The Individual plan costs $49 per year and includes 100 collection runs, advanced scripting, request chaining, and access to WebSocket, SSE, and gRPC testing. This plan works well for freelance developers.
For teams, the Business plan is $7 per month per user and includes 500 collection runs, team features, CLI integration, and the ability to pay by invoice.
The Enterprise plan at $16 per month per user offers unlimited collection runs, priority support, offline activation, encrypted environments, secrets manager integration with Azure and AWS, and enterprise single sign-on capabilities.
Testfully offers flexible pricing to suit teams of all sizes:
The Free (Developer Edition) plan includes all core features with unlimited basic usage and is perfect for individual developers or small projects.
Team Edition costs $14 per user monthly when billed annually, adding advanced collaboration features and unlimited team members.
Enterprise Edition runs $29 per user monthly (annual billing) with priority support, advanced security features, and custom integrations.
For Testfully Offline, there's a completely free version for commercial use. The Offline Pro plan costs $49 per user monthly ($588 annually) or $99 per user monthly for the Business plan ($1,188 annually).
API Monitoring Credits are available as add-ons: 10K credits for $10/month, 30K for $27/month, 50K for $40/month, and 100K for $70/month.
FAQs: Thunder Client vs Testfully
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