shipapis
StarSubmit an APISubmit API

Plaid API vs Yahoo Finance Chart

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

APIPlaid APIHEALTHY96Yahoo Finance ChartHEALTHY99
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms359167
P95 · ms874407
AuthapiKeynone
CORSyesno
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

Plaid API vs Yahoo Finance Chart: common questions

Which is more reliable, Plaid API or Yahoo Finance Chart?

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

Yahoo Finance Chart has the lower median latency in our checks — Plaid API responds in 359 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 Plaid API and Yahoo Finance Chart need an API key?

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

Can I call Plaid API and Yahoo Finance Chart from the browser?

Only Plaid API is browser-friendly — it returns CORS headers over HTTPS. Yahoo Finance Chart needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Plaid API and Yahoo Finance Chart free for commercial use?

Plaid API 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.