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OnSched Consumer API vs ParlayAPI

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

APIOnSched Consumer APIHEALTHY91ParlayAPIREACHABLE88
Uptime · 30d
Uptime · 90d100%87.5%
Uptime · 30d100%87.5%
P50 · ms495211
P95 · ms34181536
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree tier — API key required
Rate limitUnpublished
In directory since2026-07-052026-10-04
operationalpartialdownno data

OnSched Consumer API vs ParlayAPI: common questions

Which is more reliable, OnSched Consumer API or ParlayAPI?

On our scheduled checks, OnSched Consumer API leads on measured uptime — OnSched Consumer API at 100% versus ParlayAPI at 87.5% 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, OnSched Consumer API or ParlayAPI?

ParlayAPI has the lower median latency in our checks — OnSched Consumer API responds in 495 ms versus ParlayAPI at 211 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 OnSched Consumer API and ParlayAPI need an API key?

Both ask you to authenticate — OnSched Consumer API uses an API key and ParlayAPI 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 OnSched Consumer API and ParlayAPI from the browser?

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

Are OnSched Consumer API and ParlayAPI free for commercial use?

OnSched Consumer API has unclear commercial terms, and ParlayAPI 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.