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API Development ToolsUnclaimed

Thunder Client

Lightweight REST API client for your IDE

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Also known as
thunder-client

What is Thunder Client?

A lightweight REST API client for VS Code and JetBrains IDEs with local storage, git sync for seamless team collaboration, and scriptless testing.

Independently observed

Thunder Client pricing

Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.

Pricing as of verify at live pricing ↗Independently observed
from $3/moSubscriptionFree tier14-day trial

From $3/user/mo (billed annually). Free tier available. 14-day free trial.

Free

Free
Free
monthly

Free plan with limited features

  • VS Code extension
  • Free version limits
  • Git Sync

Starter

$3/user/mo billed annually
annual

Affordable premium features, up to 10 seats

  • VS Code, JetBrains extensions
  • Team features
  • CLI & CI/CD
  • WebSocket, SSE, gRPC
  • 250 Collection Runs/mo
  • Git Sync
  • Global Environments
  • Custom Scripting
  • Generate Reports
  • MCP Server (AI)

Business

$7/user/mo billed annually
annual
  • VS Code, JetBrains extensions
  • Team features
  • CLI & CI/CD
  • WebSocket, SSE, gRPC
  • 500 Collection Runs/mo
  • Git Sync
  • Global Environments
  • Custom Scripting
  • Generate Reports
  • MCP Server (AI)
  • Priority Support

Enterprise

Contact sales
Contact sales
annual
  • VS Code, JetBrains extensions
  • Team features
  • CLI & CI/CD
  • WebSocket, SSE, gRPC
  • Unlimited Collection Runs
  • Offline Activation
  • Enterprise SSO
  • Secrets Manager Integration (Azure & AWS)
  • License Management
  • API Audit Logs
  • Performance Testing
  • Priority Support

What Thunder Client does

The capabilities that matter for api development tools, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Core
REST client
✓
GraphQL support
-
gRPC support
✓
Design
Mock servers
-
Testing
Automated / contract testing
✓
Collaboration
Team collaboration & sharing
✓
Docs
Doc generation
-
Standards
OpenAPI / spec import
-
Ops
CI integration / CLI
✓
Independently observed

Platform & deployment

Independently observed
Platforms
  • CLI

Integrations (2)

Independently observed
  • Azure
  • AWS

Thunder Client alternatives

Other api development tools we track, ranked by the same independent score.

Independent · unbought · dated

The Vioscale score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Thunder Client, not the verdict.

Balanced composite 68 / 100
low · 31%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Capabilities7516.001195.6✓
Pricing Transparency1008.00800.0✓
Price Level806.00480.0✓
Integrations148.00109.8✓
Reliability08.000.0-
Security Posture513.000.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Features

AttributeValueEvidence
Capabilities{"rest_client":true,"grpc_support":true,"collaboration":true,"ci_integration":true,"automated_testing":true}mediumsource · 2026-08-03 · 60%

Integrations

AttributeValueEvidence
Count2mediumsource · 2026-08-03 · 60%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-08-03 · 60%
Modelfreemiummediumsource · 2026-08-03 · 60%
Price levellowmediumsource · 2026-08-03 · 60%
Starting gbp3mediumsource · 2026-08-03 · 60%
TransparentYesmediumsource · 2026-08-03 · 60%

Security

AttributeValueEvidence
GdprYesmediumsource · 2026-08-03 · 60%