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Health

UK pregnancy due date, ovulation and Statutory Maternity Pay calculators.

BabyData API is a free Health 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
Health
Uptime (30 days)
Up

Online · 2024 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime

About BabyData

BabyData exposes its baby-and-pregnancy calculators as a free, read-only JSON API and MCP server: due date, ovulation, pregnancy weeks and UK statutory maternity pay. Each response returns the rule and a primary UK source. Informational only, not medical advice.

Provider
BabyData
Website
babydata.co.uk ↗

Details from babydata.co.uk.

Key facts

  • No API key needed
  • Callable from the browser (CORS)
  • HTTPS
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BabyData API FAQ

Who provides the BabyData API?

The BabyData API is provided by BabyData (babydata.co.uk). BabyData exposes its baby-and-pregnancy calculators as a free, read-only JSON API and MCP server: due date, ovulation, pregnancy weeks and UK statutory maternity pay. Each response returns the rule and a primary UK source. Informational only, not medical advice.

Is the BabyData API free?

Yes. The BabyData API is listed in the Health 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 BabyData API require an API key?

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

Can I call the BabyData API from the browser?

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

Does the BabyData API support HTTPS?

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

Maintain the BabyData API? Add a badge

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

BabyData on Public APIs

Markdown

[![BabyData on Public APIs](https://publicapis.lol/badge/babydata.svg)](https://publicapis.lol/apis/babydata)

HTML

<a href="https://publicapis.lol/apis/babydata"><img src="https://publicapis.lol/badge/babydata.svg" alt="BabyData on Public APIs" height="20"></a>