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IBAN Validation API vs Plaid API

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

APIIBAN Validation APIHEALTHY90Plaid APIHEALTHY96
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms861359
P95 · ms2151874
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IBAN Validation API vs Plaid API: common questions

Which is more reliable, IBAN Validation API or Plaid API?

Both are neck-and-neck — IBAN Validation API and Plaid 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, IBAN Validation API or Plaid API?

Plaid API has the lower median latency in our checks — IBAN Validation API responds in 861 ms versus Plaid API at 359 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 IBAN Validation API and Plaid API need an API key?

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

Can I call IBAN Validation API and Plaid API from the browser?

Yes — both IBAN Validation API and Plaid API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are IBAN Validation API and Plaid API free for commercial use?

IBAN Validation API has unclear commercial terms, and Plaid 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.