CurrencyScoop vs Yahoo Finance Chart

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms346167
P95 · ms3195407
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CurrencyScoop vs Yahoo Finance Chart: common questions

Which is more reliable, CurrencyScoop or Yahoo Finance Chart?

Both are neck-and-neck — CurrencyScoop and Yahoo Finance Chart 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, CurrencyScoop or Yahoo Finance Chart?

Yahoo Finance Chart has the lower median latency in our checks — CurrencyScoop responds in 346 ms versus Yahoo Finance Chart at 167 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 CurrencyScoop and Yahoo Finance Chart need an API key?

Yahoo Finance Chart needs no key, while CurrencyScoop requires a free API key. If you want to start calling without signup, reach for Yahoo Finance Chart first.

Can I call CurrencyScoop and Yahoo Finance Chart from the browser?

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

Are CurrencyScoop and Yahoo Finance Chart free for commercial use?

CurrencyScoop has unclear commercial terms, and Yahoo Finance Chart 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.