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Agent Gateway API vs Blockchain

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

APIAgent Gateway APINEW—BlockchainNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Agent Gateway API vs Blockchain: common questions

Which is more reliable, Agent Gateway API or Blockchain?

On our scheduled checks, Blockchain leads on measured uptime — Agent Gateway API at —% versus Blockchain 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 Agent Gateway API and Blockchain need an API key?

Agent Gateway API needs no key, while Blockchain requires a free API key. If you want to start calling without signup, reach for Agent Gateway API first.

Can I call Agent Gateway API and Blockchain from the browser?

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

Are Agent Gateway API and Blockchain free for commercial use?

Agent Gateway API has unclear commercial terms, and Blockchain 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.