The Lens

Thunder Client is an HTTP client that lives in your editor's sidebar. Send requests, inspect responses, organize them into collections, like Postman but without opening another application. For developers who spend their day in VS Code, that integration matters more than you'd think.

The free version covers the basics: send requests, save collections locally, environment variables, and basic scripting. It's fast, lightweight, and doesn't need an account to use.

The paid tier at $10/mo (or $8.33/mo billed annually at $100/yr) adds Git sync for collections, team collaboration, CI/CD integration, and advanced scripting. There's also a per-seat Team plan. Bruno is the best open source alternative: offline-first, stores collections as files in your repo, no account needed ever. Hoppscotch is another strong free option with a modern web UI. If you're deep in the Postman ecosystem already, the switching cost may not be worth it. But if you're starting fresh and live in VS Code, Thunder Client's integration is hard to beat.

The catch: the free tier has gotten more restrictive over time. Features that were once free are now behind the paywall. Collection storage limits apply on free. And unlike Postman's massive ecosystem, Thunder Client's scripting and testing capabilities are more limited. If you outgrow it, you're migrating collections.

### Pricing Breakdown

**Free:** - Send HTTP/REST/GraphQL requests - Local collection storage (with limits) - Environment variables - Basic request scripting - No account required for basic use

**Pro: $10/mo ($100/yr):** - Git sync for collections - Advanced scripting and testing - CLI for CI/CD pipelines - Unlimited local collections - Priority support

**Team (per-seat pricing):** - Cloud sync for team collaboration - Shared workspaces - Admin controls

**Comparison to alternatives:** - Bruno: Free (MIT). Open source, offline-first, collections as Git-friendly files. No paid tier for core features - Hoppscotch: Free (MIT). Web-based with self-hosted option. Clean UI, open source - Postman: Free (25 requests/mo API testing), paid at $14/user/mo. Industry standard but bloated - Insomnia: Free self-hosted, paid cloud at $5/user/mo. Kong-owned, had controversial cloud migration - HTTPie: Free CLI, desktop app at $6/mo. Clean design, good for simple requests

**The math:** A solo developer paying $100/yr for Thunder Client Pro when Bruno does the same thing for free is hard to justify. The VS Code integration is nice, but Bruno has a VS Code extension too. The Team plan makes more sense: if your team is already standardized on VS Code and needs shared collections.

**When to pay:** Only if you need CI/CD integration and Git sync AND your team won't switch to Bruno. For everything else, the free tier or Bruno covers it.

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