Building a kids' education site

A working stack, not a category dump: core data, enrichment. Every listing below carries its own spec sheet.

4 APIs across 2 roles

01

Core data

Facts children actually chase

USGS Earthquake CatalogFree

Searchable global earthquake catalog by time, area, depth and magnitude, plus minute-updated GeoJSON feeds.

Sunrise SunsetFree

Sunrise, sunset, twilight, golden hour, sun position and moon phase for any coordinates, a year per call.

02

Enrichment

Sky charts and worksheet scanning

AstronomyAPIFree

Sun, Moon and planet positions and events for any place and date, plus rendered star charts and moon images.

API key · JSON

OCR.spaceFreemium

Extracts text and optional word positions from images and PDFs in 27 languages; can output searchable PDFs.

API key · JSON

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