head to head · open source
Insomnia vs notion-sdk-js
Insomnia has 40,111 GitHub stars, 2,388 forks, 874 open issues and last shipped yesterday. notion-sdk-js has 5,680 stars, 715 forks, 80 open issues and last shipped yesterday. Insomnia leads on adoption by 606% (40,111 vs 5,680 stars). Insomnia is written in TypeScript under Apache-2.0; notion-sdk-js is written in TypeScript under MIT. Insomnia has attracted 6% as many forks as stars, notion-sdk-js 13%. notion-sdk-js was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (api, api-client), 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
| Insomnia | notion-sdk-js | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 5.7K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.4K | ⑂ 715 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Insomnia if
- You weight community size — 40K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick notion-sdk-js if
- You want the notion-sdk-js feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and notion-sdk-js fits your workflow better
About Insomnia
Insomnia API Client Insomnia is an open source, cross platform API client for GraphQL, REST, WebSockets, Server Sent Events (SSE), gRPC and any other HTTP compatible protocol. With Insomnia you can: Debug APIs using the most popular protocols and formats. Design APIs using the native OpenAPI editor and visual preview. Test APIs using native test suites and collection runner. Mock APIs using a cloud or self hosted mocking server. Build CI/CD pipelines using the native Insomnia CLI for linting and testing. Collaborate with others using the many collaboration features. And more including the ability to use 3rd…
read the full Insomnia overview →
About notion-sdk-js
Notion SDK for JavaScript A JavaScript and TypeScript client for the Notion API. This reference covers the SDK's methods, options, and helpers. Installation Usage [!NOTE] For setup steps, see Notion's getting started guide. Client accepts an integration token or an OAuth access token. Make a request to any Notion API endpoint. [!NOTE] See the complete list of endpoints in the API reference. Request methods return a Promise with the response. For example: Endpoint parameters are grouped into a single object. You don't need to remember which parameters go in the path, query, or body. Handling errors Notion API…
read the full notion-sdk-js overview →
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Frequently asked questions
Is Insomnia or notion-sdk-js more popular?
Insomnia has 40,111 GitHub stars and notion-sdk-js has 5,680. Insomnia has the larger community by that measure.
Are Insomnia and notion-sdk-js free?
Both are open source. Insomnia is licensed under Apache-2.0 and notion-sdk-js under MIT. Neither carries a licence fee.
What is the difference between Insomnia and notion-sdk-js?
Insomnia is written in TypeScript and notion-sdk-js in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Insomnia or notion-sdk-js?
Choose Insomnia if you want the larger community (40,111 stars) or its Apache-2.0 licence terms. Choose notion-sdk-js if its feature set, stack or MIT licence fits better. Both are self-hostable.