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Mediastack vs ValidEU API

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

APIMediastackHEALTHY93ValidEU APIHEALTHY97
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms449273
P95 · ms1356786
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Mediastack vs ValidEU API: common questions

Which is more reliable, Mediastack or ValidEU API?

Both are neck-and-neck — Mediastack and ValidEU 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, Mediastack or ValidEU API?

ValidEU API has the lower median latency in our checks — Mediastack responds in 449 ms versus ValidEU API at 273 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 ValidEU API need an API key?

Both ask you to authenticate — Mediastack uses an API key and ValidEU API uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Mediastack and ValidEU API from the browser?

Neither sends browser-friendly CORS headers reliably, so call Mediastack and ValidEU API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Mediastack and ValidEU API free for commercial use?

Mediastack has unclear commercial terms, and ValidEU 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.