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Thunder Client

Features
Ease of use
Ease of management
Quality of support
Affordability
Market presence
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Pricing from
$3 per user per month
Free Trial
Free version
User corporate size
Small
Medium
Large
User industry
  1. Media and communications
  2. Information technology and software
  3. Education and training

What is Thunder Client

Thunder Client is a lightweight API client that runs as a Visual Studio Code extension for sending HTTP requests and testing REST APIs from within the editor. It targets developers who want to create and organize requests, manage environments, and validate responses without switching to a separate desktop application. The product emphasizes an in-IDE workflow and local-first usage, with optional features for sharing or syncing depending on edition.

pros

Native VS Code workflow

Thunder Client operates inside Visual Studio Code, which reduces context switching for developers who already work in the editor. Requests, collections, and environments are managed alongside source code, which can simplify day-to-day debugging. This approach can be especially convenient for teams standardizing on VS Code for development.

Fast setup and lightweight

Installation is handled through the VS Code extension marketplace and typically requires minimal configuration. The UI focuses on core API request and response inspection, which can make it quicker to start compared with broader API platforms. It fits well for ad hoc testing, debugging, and basic regression checks during development.

Core API testing features

Thunder Client supports common API client capabilities such as collections, variables/environments, and response viewing for REST-style endpoints. It is suitable for creating repeatable request sets for manual testing and troubleshooting. For many developer workflows, these features cover the essential needs without additional infrastructure.

cons

Less suited for advanced automation

While useful for manual testing and developer debugging, it is not primarily designed as a comprehensive automated testing framework. Advanced CI/CD integration, large-scale test orchestration, and deep reporting may require complementary tooling. Teams with heavy automated API testing requirements may outgrow the extension-centric model.

Limited full lifecycle API management

Despite being used for API work, Thunder Client is primarily an API testing/client tool rather than a full API management suite. It does not function as an API gateway, developer portal, or centralized governance layer. Organizations needing enterprise API management capabilities typically require additional products or platforms.

Collaboration and governance constraints

Compared with more platform-oriented tools, team collaboration features (such as centralized workspaces, role-based access controls, and auditability) can be more limited or depend on paid tiers and external processes. This can make it harder to enforce consistent standards across large teams. Teams may need to rely on Git-based sharing conventions to coordinate collections and environments.

Plan & Pricing

Plan Price Key features & notes
Free (Non-commercial) $0 per user/month (billed monthly) VS Code extension; non-commercial use only; local storage; limited/free version limits; 30 collection runs (individual free shows 30) per month; see Terms.
Starter $3 per user/month (billed annually) Extension; team features; CLI & CI/CD; WebSocket, SSE, gRPC; 250 collection runs per user/month; purchase up to 10 seats; credit-card payment only.
Business $7 per user/month (billed annually) Extension; team features; CLI & CI/CD; WebSocket, SSE, gRPC; 500 collection runs per user/month; payment by invoice.
Enterprise $16 per user/month (billed annually) Extension; team features; CLI & CI/CD; WebSocket, SSE, gRPC; Unlimited collection runs; payment by invoice; priority support; offline activation; Enterprise SSO (additional cost); Encrypted Environments; Secrets Manager integration (Azure & AWS); License Management API.
Individual (Perpetual fallback license) $49 one-time Use on 1 device; perpetual fallback license with 1 year of updates; includes import OpenAPI, request chaining, advanced scripting, 100 collection runs; excludes WebSocket/SSE/gRPC, CLI & CI/CD, collection iterations, Node modules, script assertions.

Notes: The vendor also describes a Community Plan (available for commercial use) that grants 2 free Community licenses for every paid license purchased (max 50 community seats per business). A 14-day free trial is available on request for business email addresses (contact required).

Seller details

Ranga Vadhineni
Hyderabad, India
2020
Private
https://www.thunderclient.com/
https://x.com/thunder_client

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Thunder Client

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