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SalesLoft Platform vs The Calendar

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

APISalesLoft PlatformDEAD0The CalendarHEALTHY90
Uptime · 30d
Uptime · 90d0.0%100%
Uptime · 30d0.0%100%
P50 · ms—588
P95 · ms—3550
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (US federal list per 5 U.S.C. § 6103)
Free tierFree tier — API key requiredFree, no auth (per site)
Rate limitUnpublishedNone stated (site advertises no rate limit)
In directory since2026-07-052026-07-05
operationalpartialdownno data

SalesLoft Platform vs The Calendar: common questions

Which is more reliable, SalesLoft Platform or The Calendar?

On our scheduled checks, The Calendar leads on measured uptime — SalesLoft Platform at 0.0% versus The Calendar at 100% 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 SalesLoft Platform and The Calendar need an API key?

The Calendar needs no key, while SalesLoft Platform requires a free API key. If you want to start calling without signup, reach for The Calendar first.

Can I call SalesLoft Platform and The Calendar from the browser?

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

Are SalesLoft Platform and The Calendar free for commercial use?

SalesLoft Platform has unclear commercial terms, and The Calendar 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.