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Chronicling America vs Open Scholarships

Same instrument, two spec sheets — measured, not claimed.

APIChronicling AmericaNEW—Open ScholarshipsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licensePublic domain / no known copyright (Library of Congress)CC BY 4.0
Free tierFree — public-domain collection dataFree — no key (CC BY 4.0; attribution required)
Rate limitLoC throttles heavy crawling (see LoC API policy)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Chronicling America vs Open Scholarships: common questions

Which is more reliable, Chronicling America or Open Scholarships?

On our scheduled checks, Open Scholarships leads on measured uptime — Chronicling America at —% versus Open Scholarships at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Chronicling America and Open Scholarships need an API key?

Neither needs a paid key — Chronicling America is callable with no signup, and Open Scholarships is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Chronicling America and Open Scholarships from the browser?

Only Open Scholarships is browser-friendly — it returns CORS headers over HTTPS. Chronicling America needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Chronicling America and Open Scholarships free for commercial use?

Chronicling America allows commercial use on its free tier, and Open Scholarships allows commercial use on its free tier. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.