API archive entry · source-reported
Mapa Oswiatowa
Polish schools, preschools, nurseries and universities from public registers, with exam results
Other Open Data APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
Security Startups
Curated directory of young security companies with proof-of-life signals
No auth · HTTPS reported · CORS Yes
WhatsApp Rate Cards
Meta's WhatsApp Business API per-message rates per country in 16 currencies, checked weekly
No auth · HTTPS reported · CORS Yes
Caliber
Which red dot optics fit which pistols, each fit cited to a maker or retailer
No auth · HTTPS reported · CORS Yes
ek litre
Pakistan's petrol, diesel and kerosene prices since 2006, with OGRA's line-by-line price build-up
No auth · HTTPS reported · CORS Yes
RebateHub
Canadian home energy rebate, grant and loan programs with status, deadlines and official sources
No auth · HTTPS reported · CORS Yes
Turkpidya
Türkiye data: gold prices, lira rates, earthquakes, prayer times, fuel, duty pharmacies
No auth · HTTPS reported · CORS Yes
How to compare them
Coverage
Compare exact endpoints, fields, geography, history, and update frequency.
Operating cost
Model request volume, caching, overages, support, and migration cost.
Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
Review attribution, redistribution, retention, privacy, and commercial-use terms.
Source reference
This page separates source-reported facts from questions that need live provider verification.