ISRO vs Stock Sentiment API
Same instrument, two spec sheets — measured, not claimed.
ISRO vs Stock Sentiment API: common questions
Which is more reliable, ISRO or Stock Sentiment API?
Both are neck-and-neck — ISRO and Stock Sentiment API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, ISRO or Stock Sentiment API?
ISRO has the lower median latency in our checks — ISRO responds in 369 ms versus Stock Sentiment API at 531 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 Stock Sentiment API need an API key?
ISRO needs no key, while Stock Sentiment API requires a free API key. If you want to start calling without signup, reach for ISRO first.
Can I call ISRO and Stock Sentiment API from the browser?
Yes — both ISRO and Stock Sentiment API 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 Stock Sentiment API free for commercial use?
ISRO has unclear commercial terms, and Stock Sentiment API 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.