Postman vs Insomnia vs Hoppscotch: Best API Testing Tool in 2024
A 2023 Postman survey of more than 40,000 developers found that API work now consumes a significant share of the average development week—and that number keeps climbing. Yet the tool you pick to send that first GET request can shape everything that follows: how fast you iterate, how well you collaborate with your team, and whether your organization can keep the tool compliant and affordable.
Three names dominate the conversation in 2024: Postman, the established incumbent; Insomnia, the developer-favorite that changed hands and licensing models; and Hoppscotch, the lightweight open-source challenger. Each takes a genuinely different approach. Here’s how they compare on the things that matter most.
The Contenders at a Glance
| Feature | Postman | Insomnia | Hoppscotch |
|---|---|---|---|
| Model | Freemium SaaS | Freemium (cloud features) | Open source + paid cloud |
| Desktop app | Yes | Yes | Yes (plus web app) |
| Web/browser version | Yes | No | Yes (primary) |
| Protocol support | REST, GraphQL, gRPC, WebSocket, SOAP | REST, GraphQL, gRPC, WebSocket | REST, GraphQL, WebSocket, SSE, MQTT |
| Git sync | Paid tiers | Yes (core feature) | Yes (self-hosted and cloud) |
| Self-hosting | Enterprise only | No | Yes (free, open source) |
| Free tier limits | Generous but capped | Limited cloud features | Very generous |
Postman: The Ecosystem Play
Postman is the default for a reason. It has the deepest feature set of the three: a full API client, automated test suites, mock servers, documentation generation, monitoring, and a public API network with over 100,000 collections. If your team needs a single platform that spans design, testing, documentation, and CI/CD, Postman covers all of it.
The 2023 update to Postman’s pricing drew attention. The free tier remains usable for individuals, but the company tightened limits on collection runs and collaboration features at lower tiers, pushing growing teams toward paid plans that start around $14 per user per month and climb steeply for enterprise features. The “Postman Desktop Agent” requirement for certain web-app requests and the mandatory cloud account have also annoyed privacy-conscious developers.
Where Postman wins: breadth. Its test scripting (built on JavaScript with the pm API), Newman CLI runner, and integrations with CI systems like GitHub Actions and Jenkins are mature and well documented. For teams already standardized on it, switching costs are real.
Where it frustrates: it can feel heavy. Startup time, memory usage, and account friction are common complaints. And the 2023 data leak involving a publicly accessible API key served as a reminder that cloud-first tooling carries its own risk profile.
Insomnia: Git-Friendly and Developer-First (With a Caveat)
Insomnia built its reputation on a clean interface and a design philosophy that treats local-first workflows and Git sync as first-class citizens. You can store collections as files in your repo, version them alongside code, and collaborate through pull requests—a workflow many engineering teams prefer over a proprietary cloud workspace.
Insomnia supports REST, GraphQL, gRPC, and WebSocket, and its plugin ecosystem lets you extend request handling and templating. The environment and variable system is powerful, and the response timeline and code-generation features are solid.
The caveat is the 2023 licensing shift. After Kong acquired Insomnia, the company moved the app toward a freemium model with account requirements for some features, and the open-source codebase moved to a more restrictive license. The community reaction was loud—some developers forked the project—and the episode is worth knowing if open-source guarantees matter to your organization. Insomnia’s free tier is still capable, but features like cloud sync and collaboration now sit behind paid plans (roughly $12 per user per month for the Individual plan).
Where Insomnia wins: developer ergonomics and Git-centric workflows. It feels lighter than Postman and respects file-based collaboration.
Where it frustrates: the licensing uncertainty and the account pushback have eroded trust among some long-time users.
Hoppscotch: Lightweight, Open Source, and Fast
Hoppscotch (formerly Postwoman) started as a browser-based alternative and has grown into a legitimate contender. Its biggest differentiators are speed and openness: it loads in a browser tab almost instantly, supports a broad protocol list including MQTT and Server-Sent Events, and is fully open source under the MIT license.
Because it’s open source, you can self-host Hoppscotch for free—a major advantage for regulated industries, air-gapped environments, or teams that simply don’t want request data leaving their infrastructure. The self-hosted version includes team workspaces, collections, and Git-based syncing. The hosted cloud offering adds convenience and collaboration features at a lower price point than the other two.
Hoppscotch’s interface is clean and keyboard-driven, with a command palette and quick environment switching. For individual developers or small teams doing straightforward REST and GraphQL testing, it covers nearly everything you need without an account or an install.
Where Hoppscotch wins: cost, speed, and self-hosting. The free tier is genuinely generous, and the open-source model removes vendor lock-in.
Where it frustrates: the ecosystem is smaller. Advanced test automation, monitoring, and enterprise governance features lag behind Postman. The desktop app, while available, is less polished than its competitors, and some teams report that very large collections can feel sluggish.
How to Choose
The right tool depends less on feature checklists than on how your team works.
Choose Postman if you need an all-in-one platform—testing, documentation, mocking, monitoring—and your organization values a large integration ecosystem and vendor support. It’s the safest bet for enterprises with complex governance needs, provided the per-seat cost is acceptable.
Choose Insomnia if your team lives in Git and prefers file-based collaboration, or if you want a lighter client with strong GraphQL and gRPC support. Just go in with eyes open about the licensing direction.
Choose Hoppscotch if you’re cost-sensitive, need self-hosting for compliance or privacy reasons, or want a fast, no-friction client for day-to-day API testing. It’s also a strong fit for open-source projects and small teams that don’t need enterprise bells and whistles.
One practical note: these tools aren’t mutually exclusive. Many developers keep Hoppscotch or Insomnia installed for quick checks while their team standardizes on Postman for shared collections and CI runs. Import/export support (OpenAPI, Postman collections, HAR files) makes switching or mixing relatively painless.
The Bottom Line
There’s no single “best” API testing tool in 2024—only the best fit for your constraints. Postman remains the most complete platform and the safest enterprise choice, but it’s no longer the automatic default. Insomnia offers the best developer experience for Git-centric teams, though its licensing shift warrants caution. Hoppscotch delivers the most value per dollar, especially for teams that want open-source transparency and self-hosting.
Evaluate all three against your actual workflow: run a representative collection in each, test the collaboration features your team relies on, and check the total cost at your expected seat count. The tool that disappears into your workflow—rather than demanding attention—is the one worth keeping.