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Exchangerate.dev vs TaxID

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

APIExchangerate.devDYING63TaxIDHEALTHY89
Uptime · 30d
Uptime · 90d71.6%100%
Uptime · 30d51.7%100%
P50 · ms336729
P95 · ms8071556
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limit12 req/window · 11 remaining · resets 1783515720Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Exchangerate.dev vs TaxID: common questions

Which is more reliable, Exchangerate.dev or TaxID?

On our scheduled checks, TaxID leads on measured uptime — Exchangerate.dev at 71.6% versus TaxID 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, Exchangerate.dev or TaxID?

Exchangerate.dev has the lower median latency in our checks — Exchangerate.dev responds in 336 ms versus TaxID at 729 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 Exchangerate.dev and TaxID need an API key?

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

Can I call Exchangerate.dev and TaxID from the browser?

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

Are Exchangerate.dev and TaxID free for commercial use?

Exchangerate.dev has unclear commercial terms, and TaxID 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.