Mediastack vs Shields

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms44930
P95 · ms1356925
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Mediastack vs Shields: common questions

Which is more reliable, Mediastack or Shields?

Both are neck-and-neck — Mediastack and Shields 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, Mediastack or Shields?

Shields has the lower median latency in our checks — Mediastack responds in 449 ms versus Shields at 30 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 Mediastack and Shields need an API key?

Shields needs no key, while Mediastack requires a free API key. If you want to start calling without signup, reach for Shields first.

Can I call Mediastack and Shields from the browser?

Only Shields is browser-friendly — it returns CORS headers over HTTPS. Mediastack needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Mediastack and Shields free for commercial use?

Mediastack has unclear commercial terms, and Shields 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.