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Science & Math
Molicheck logo

Anonymous JSON lab/GMP calculators (molarity, dilution, ICH limits); no API key.

Molicheck API is a free Science & Math API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.

Authentication
None required
HTTPS
Yes
CORS
Yes
Category
Science & Math
Uptime (30 days)
100%
Visit documentation ↗molicheck.com

Online · 781 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime

About Molicheck

Free JSON HTTP API for Molicheck lab and GMP calculators at api.molicheck.com. Anonymous access, CORS, rate limits, and schema-backed POST bodies.

Provider
Molicheck
Website
molicheck.com ↗

Details from molicheck.com.

Key facts

  • No API key needed
  • 100% uptime (30 days)
  • Callable from the browser (CORS)
  • HTTPS
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Molicheck API FAQ

Who provides the Molicheck API?

The Molicheck API is provided by Molicheck (molicheck.com). Free JSON HTTP API for Molicheck lab and GMP calculators at api.molicheck.com. Anonymous access, CORS, rate limits, and schema-backed POST bodies.

Is the Molicheck API free?

Yes. The Molicheck API is listed in the Science & Math category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the Molicheck API require an API key?

No. The Molicheck API requires no authentication, so you can start making requests without signing up.

Can I call the Molicheck API from the browser?

Yes. The Molicheck API supports CORS, so front-end JavaScript can call it directly.

Does the Molicheck API support HTTPS?

Yes. The Molicheck API is served over HTTPS, so it's safe to use in production.

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Show that Molicheck is listed on Public APIs. The badge displays its developer rating once it has one.

Molicheck on Public APIs

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