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FIRST News API vs RSS2JSON

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

APIFIRST News APINEW—RSS2JSONNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

FIRST News API vs RSS2JSON: common questions

Which is more reliable, FIRST News API or RSS2JSON?

On our scheduled checks, RSS2JSON leads on measured uptime — FIRST News API at —% versus RSS2JSON 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 FIRST News API and RSS2JSON need an API key?

Neither needs a paid key — FIRST News API is callable with no signup, and RSS2JSON is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call FIRST News API and RSS2JSON from the browser?

Yes — both FIRST News API and RSS2JSON send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are FIRST News API and RSS2JSON free for commercial use?

FIRST News API has unclear commercial terms, and RSS2JSON has unclear commercial terms. 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.