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Agent Gateway API vs BlockCypher

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

APIAgent Gateway APIHEALTHY99BlockCypherDYING59
Uptime · 30d
Uptime · 90d100%30.4%
Uptime · 30d100%36.7%
P50 · ms161145
P95 · ms12791129
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedRetry-After: 1787s
In directory since2026-07-052026-07-05
operationalpartialdownno data

Agent Gateway API vs BlockCypher: common questions

Which is more reliable, Agent Gateway API or BlockCypher?

On our scheduled checks, Agent Gateway API leads on measured uptime — Agent Gateway API at 100% versus BlockCypher at 30.4% 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, Agent Gateway API or BlockCypher?

BlockCypher has the lower median latency in our checks — Agent Gateway API responds in 161 ms versus BlockCypher at 145 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 Agent Gateway API and BlockCypher need an API key?

Neither needs a paid key — Agent Gateway API is callable with no signup, and BlockCypher is callable with no signup. Both are quick to prototype with; rate limits still apply.

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

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

Are Agent Gateway API and BlockCypher free for commercial use?

Agent Gateway API has unclear commercial terms, and BlockCypher 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.