head to head · open source
Hoppscotch vs api-firewall
Hoppscotch has 80,336 GitHub stars, 6,112 forks, 820 open issues and last shipped 2 days ago. api-firewall has 654 stars, 62 forks, 6 open issues and last shipped 6 months ago. Hoppscotch leads on adoption by 12,184% (80,336 vs 654 stars). Hoppscotch is written in TypeScript under MIT; api-firewall is written in Go under MPL-2.0. Hoppscotch has attracted 8% as many forks as stars, api-firewall 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 | api-firewall | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 654 |
| License | MIT | MPL-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-09-16 | 2026-04-03 |
| Forks | ⑂ 6.1K | ⑂ 62 |
| 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 api-firewall if
- You want the api-firewall feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches Go
- You evaluated both and api-firewall 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 api-firewall
Open Source API Firewall by Wallarm API Firewall is a high performance proxy with API request and response validation based on OpenAPI and GraphQL schemas. It is designed to protect REST and GraphQL API endpoints in cloud native environments. API Firewall provides API hardening with the use of a positive security model allowing calls that match a predefined API specification for requests and responses, while rejecting everything else. The key features of API Firewall are: Secure REST and GraphQL API endpoints by blocking malicious requests Stop API data breaches by blocking malformed API responses Discover Shadow…
read the full api-firewall overview →
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Frequently asked questions
Is Hoppscotch or api-firewall more popular?
Hoppscotch has 80,336 GitHub stars and api-firewall has 654. Hoppscotch has the larger community by that measure.
Are Hoppscotch and api-firewall free?
Both are open source. Hoppscotch is licensed under MIT and api-firewall under MPL-2.0. Neither carries a licence fee.
What is the difference between Hoppscotch and api-firewall?
Hoppscotch is written in TypeScript and api-firewall in Go. 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 api-firewall?
Choose Hoppscotch if you want the larger community (80,336 stars) or its MIT licence terms. Choose api-firewall if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.