The Guardian vs ValidEU API
Same instrument, two spec sheets — measured, not claimed.
The Guardian vs ValidEU API: common questions
Which is more reliable, The Guardian or ValidEU API?
On our scheduled checks, ValidEU API leads on measured uptime — The Guardian at 50.6% versus ValidEU API at 100% 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, The Guardian or ValidEU API?
ValidEU API has the lower median latency in our checks — The Guardian responds in 517 ms versus ValidEU API at 296 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 The Guardian and ValidEU API need an API key?
Both ask you to authenticate — The Guardian 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 The Guardian and ValidEU API from the browser?
Neither sends browser-friendly CORS headers reliably, so call The Guardian 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 The Guardian and ValidEU API free for commercial use?
The Guardian 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.