CheapShark API vs Energy-Charts API
Same instrument, two spec sheets — measured, not claimed.
CheapShark API vs Energy-Charts API: common questions
Which is more reliable, CheapShark API or Energy-Charts API?
Both are neck-and-neck — CheapShark API and Energy-Charts API each measure 99.02% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, CheapShark API or Energy-Charts API?
CheapShark API has the lower median latency in our checks — CheapShark API responds in 804 ms versus Energy-Charts API at 1178 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 CheapShark API and Energy-Charts API need an API key?
Neither needs a paid key — CheapShark API is callable with no signup, and Energy-Charts API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call CheapShark API and Energy-Charts API from the browser?
Only Energy-Charts API is browser-friendly — it returns CORS headers over HTTPS. CheapShark API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are CheapShark API and Energy-Charts API free for commercial use?
CheapShark API has unclear commercial terms, and Energy-Charts 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.