ISRO vs OpenAlex
Same instrument, two spec sheets — measured, not claimed.
ISRO vs OpenAlex: common questions
Which is more reliable, ISRO or OpenAlex?
On our scheduled checks, ISRO leads on measured uptime — ISRO at 100% versus OpenAlex at 1.0% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, ISRO or OpenAlex?
ISRO has the lower median latency in our checks — ISRO responds in 369 ms versus OpenAlex at 3167 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do ISRO and OpenAlex need an API key?
Neither needs a paid key — ISRO is callable with no signup, and OpenAlex is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call ISRO and OpenAlex from the browser?
Yes — both ISRO and OpenAlex 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 ISRO and OpenAlex free for commercial use?
ISRO has unclear commercial terms, and OpenAlex 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.