CheapShark API vs xAI Grok API

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

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

CheapShark API vs xAI Grok API: common questions

Which is more reliable, CheapShark API or xAI Grok API?

On our scheduled checks, xAI Grok API leads on measured uptime — CheapShark API at —% versus xAI Grok API 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 CheapShark API and xAI Grok API need an API key?

CheapShark API needs no key, while xAI Grok API requires a free API key. If you want to start calling without signup, reach for CheapShark API first.

Can I call CheapShark API and xAI Grok API from the browser?

Neither sends browser-friendly CORS headers reliably, so call CheapShark API and xAI Grok API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are CheapShark API and xAI Grok API free for commercial use?

CheapShark API has unclear commercial terms, and xAI Grok API 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.