MediaCaption API vs Rules of Acquisition

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

Uptime · 30d
Uptime · 90d100%31.8%
Uptime · 30d100%31.8%
P50 · ms10621061
P95 · ms10621165
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseUnverified
Free tier10 credits when you sign upFree — limits not published
Rate limit60 req/minUnpublished
In directory since2026-07-182026-07-05
operationalpartialdownno data

MediaCaption API vs Rules of Acquisition: common questions

Which is more reliable, MediaCaption API or Rules of Acquisition?

On our scheduled checks, MediaCaption API leads on measured uptime — MediaCaption API at 100% versus Rules of Acquisition at 31.8% 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, MediaCaption API or Rules of Acquisition?

Rules of Acquisition has the lower median latency in our checks — MediaCaption API responds in 1062 ms versus Rules of Acquisition at 1061 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 Rules of Acquisition need an API key?

Rules of Acquisition needs no key, while MediaCaption API requires a free API key. If you want to start calling without signup, reach for Rules of Acquisition first.

Can I call MediaCaption API and Rules of Acquisition from the browser?

Yes — both MediaCaption API and Rules of Acquisition 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 Rules of Acquisition free for commercial use?

MediaCaption API allows commercial use on its free tier, and Rules of Acquisition 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.