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Diffbot API vs Replicate

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

APIDiffbot APINEW—ReplicateNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Diffbot API vs Replicate: common questions

Which is more reliable, Diffbot API or Replicate?

On our scheduled checks, Replicate leads on measured uptime — Diffbot API at —% versus Replicate at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Diffbot API and Replicate need an API key?

Both ask you to authenticate — Diffbot API uses an API key and Replicate 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 Diffbot API and Replicate from the browser?

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

Are Diffbot API and Replicate free for commercial use?

Diffbot API has unclear commercial terms, and Replicate 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.