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ApogeoAPI vs ClickSend REST API v3

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

APIApogeoAPINEW—ClickSend REST API v3NEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublished6000 req/window · 5999 remaining · resets 1
In directory since2026-07-052026-07-05
operationalpartialdownno data

ApogeoAPI vs ClickSend REST API v3: common questions

Which is more reliable, ApogeoAPI or ClickSend REST API v3?

On our scheduled checks, ClickSend REST API v3 leads on measured uptime — ApogeoAPI at —% versus ClickSend REST API v3 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 ApogeoAPI and ClickSend REST API v3 need an API key?

Both ask you to authenticate — ApogeoAPI uses an API key and ClickSend REST API v3 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 ApogeoAPI and ClickSend REST API v3 from the browser?

Only ClickSend REST API v3 is browser-friendly — it returns CORS headers over HTTPS. ApogeoAPI needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are ApogeoAPI and ClickSend REST API v3 free for commercial use?

ApogeoAPI has unclear commercial terms, and ClickSend REST API v3 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.