MediaCaption API vs xColors
Same instrument, two spec sheets — measured, not claimed.
MediaCaption API vs xColors: common questions
Which is more reliable, MediaCaption API or xColors?
Both are neck-and-neck — MediaCaption API and xColors 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, MediaCaption API or xColors?
xColors has the lower median latency in our checks — MediaCaption API responds in 1062 ms versus xColors at 798 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 MediaCaption API and xColors need an API key?
xColors needs no key, while MediaCaption API requires a free API key. If you want to start calling without signup, reach for xColors first.
Can I call MediaCaption API and xColors from the browser?
Yes — both MediaCaption API and xColors 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 MediaCaption API and xColors free for commercial use?
MediaCaption API allows commercial use on its free tier, and xColors 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.