head to head · open source
Hoppscotch vs lambda-api
Hoppscotch has 80,336 GitHub stars, 6,112 forks, 820 open issues and last shipped 2 days ago. lambda-api has 1,469 stars, 127 forks, 44 open issues and last shipped 5 days ago. Hoppscotch leads on adoption by 5,369% (80,336 vs 1,469 stars). Hoppscotch is written in TypeScript under MIT; lambda-api is written in JavaScript under MIT. Hoppscotch has attracted 8% as many forks as stars, lambda-api 9%. Hoppscotch was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Hoppscotch | lambda-api | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 1.5K |
| License | MIT | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-16 | 2026-09-13 |
| Forks | ⑂ 6.1K | ⑂ 127 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hoppscotch if
- You weight community size — 80K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick lambda-api if
- You want the lambda-api feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and lambda-api fits your workflow better
About Hoppscotch
Hoppscotch is an open source API development ecosystem that provides a full featured client for designing, testing, and documenting APIs. It operates as a web based application, desktop app, and CLI tool, supporting offline, on premises, and cloud deployments. Built with TypeScript and licensed under MIT, it serves as a direct open source alternative to proprietary tools like Postman and Insomnia.
read the full Hoppscotch overview →
About lambda-api
Lightweight web framework for your serverless applications Lambda API is a lightweight web framework for AWS Lambda using AWS API Gateway Lambda Proxy Integration or ALB Lambda Target Support. This closely mirrors (and is based on) other web frameworks like Express.js and Fastify, but is significantly stripped down to maximize performance with Lambda's stateless, single run executions. Using AWS SDK v2? lambda api@v1 is using AWS SDK v3. If you are using AWS SDK v2, please use lambda [email protected]. Simple Example For a full tutorial see How To: Build a Serverless API with Serverless, AWS Lambda and Lambda API. Why …
read the full lambda-api overview →
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Frequently asked questions
Is Hoppscotch or lambda-api more popular?
Hoppscotch has 80,336 GitHub stars and lambda-api has 1,469. Hoppscotch has the larger community by that measure.
Are Hoppscotch and lambda-api free?
Both are open source. Hoppscotch is licensed under MIT and lambda-api under MIT. Neither carries a licence fee.
What is the difference between Hoppscotch and lambda-api?
Hoppscotch is written in TypeScript and lambda-api in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Hoppscotch or lambda-api?
Choose Hoppscotch if you want the larger community (80,336 stars) or its MIT licence terms. Choose lambda-api if its feature set, stack or MIT licence fits better. Both are self-hostable.