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Scalar vs Hoppscotch
Trust Score comparison · March 2026
Signal Comparison
100k / wknpm downloads10M+
300 commitsCommits (90d)120 commits
9k ★GitHub stars67k ★
30 q'sStack Overflow200 q's
GrowingCommunityGrowing
ScalarHoppscotch
Key Differences
| Factor | Scalar | Hoppscotch |
|---|---|---|
| License | MIT | MIT |
| Language | TypeScript | TypeScript |
| Hosted | Self-hosted | Self-hosted |
| Free tier | — | — |
| Open Source | ✓ Yes | ✓ Yes |
| TypeScript | ✓ | ✓ |
Pick Scalar if…
- Rendering OpenAPI/Swagger specs as beautiful, interactive documentation
- Adding a Try It button to existing API docs without Postman's overhead
- Replacing Swagger UI with a modern, themeable alternative
Pick Hoppscotch if…
- Quick API testing in the browser without installing a desktop app
- Self-hosting an API client on your own infrastructure for privacy
- Testing WebSockets and Server-Sent Events alongside REST and GraphQL
Side-by-side Quick Start
Scalar
import { apiReference } from '@scalar/api-reference';
// In a Next.js API route or Express server:
app.get('/docs', (req, res) => {
res.send(`
<!DOCTYPE html><html><head>
<title>API Reference</title>
</head><body>
<script id="api-reference" data-url="/openapi.json"></script>
<script src="https://cdn.jsdelivr.net/npm/@scalar/api-reference"></script>
</body></html>
`);
});Hoppscotch
# Use directly in the browser at hoppscotch.io
# Or self-host with Docker:
docker run --rm --name hoppscotch -p 3000:3000 hoppscotch/hoppscotch:latest
# Open http://localhost:3000 and start testing APIsCommunity Verdict
Based on upvoted notes🏆
Hoppscotch wins this comparison
Trust Score 79 vs 76 · 3-point difference
Hoppscotch leads on Trust Score with stronger signal data across downloads and community health. That said, the other tool is worth considering if your use case matches its specific strengths above.