QuickChart vs What The Commit
Same instrument, two spec sheets — measured, not claimed.
QuickChart vs What The Commit: common questions
Which is more reliable, QuickChart or What The Commit?
On our scheduled checks, QuickChart leads on measured uptime — QuickChart at 100% versus What The Commit at 99.02% 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, QuickChart or What The Commit?
QuickChart has the lower median latency in our checks — QuickChart responds in 318 ms versus What The Commit at 1312 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 QuickChart and What The Commit need an API key?
Neither needs a paid key — QuickChart is callable with no signup, and What The Commit is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call QuickChart and What The Commit from the browser?
Neither sends browser-friendly CORS headers reliably, so call QuickChart and What The Commit from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are QuickChart and What The Commit free for commercial use?
QuickChart has unclear commercial terms, and What The Commit 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.